Attribute 'OperatingSystem':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  The operating system on which the X server is running.  0-Linux, 1-FreeBSD,
  2-SunOS.

Attribute 'NvidiaDriverVersion':
  - Attribute value is a string.
  - Attribute is not written to the rc file.
  The NVIDIA X driver version.

Attribute 'NvControlVersion':
  - Attribute value is a string.
  - Attribute is not written to the rc file.
  The NV-CONTROL X driver extension version.

Attribute 'GLXServerVersion':
  - Attribute value is a string.
  - Attribute is not written to the rc file.
  The GLX X server extension version.

Attribute 'GLXClientVersion':
  - Attribute value is a string.
  - Attribute is not written to the rc file.
  The GLX client version.

Attribute 'OpenGLVersion':
  - Attribute value is a string.
  - Attribute is not written to the rc file.
  The OpenGL version.

Attribute 'XRandRVersion':
  - Attribute value is a string.
  - Attribute is not written to the rc file.
  The X RandR version.

Attribute 'XF86VidModeVersion':
  - Attribute value is a string.
  - Attribute is not written to the rc file.
  The XF86 Video Mode X extension version.

Attribute 'XvVersion':
  - Attribute value is a string.
  - Attribute is not written to the rc file.
  The Xv X extension version.

Attribute 'Ubb':
  - Attribute value is an integer.
  Is UBB enabled for the specified X screen.

Attribute 'Overlay':
  - Attribute value is an integer.
  Is the RGB overlay enabled for the specified X screen.

Attribute 'Stereo':
  - Attribute value is an integer.
  The stereo mode for the specified X screen.

Attribute 'TwinView':
  - Attribute value is an integer.
  Is TwinView enabled for the specified X screen.

Attribute 'ConnectedDisplays':
  - Attribute value is an integer.
  - Attribute value is a display mask.
  DEPRECATED: use "-q dpys" instead.

Attribute 'EnabledDisplays':
  - Attribute value is an integer.
  - Attribute value is a display mask.
  DEPRECATED: use "-q dpys" instead.

Attribute 'AssociatedDisplays':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  - Attribute value is a display mask.
  DEPRECATED: use "-q xscreens -V all" instead.

Attribute 'ProbeDisplays':
  - Attribute value is an integer.
  - Attribute not queried in 'query all'.
  - Attribute value is a display mask.
  When this attribute is queried, the X driver re-probes the hardware to detect
  which display devices are connected to the GPU or DPU driving the specified X
  screen.

Attribute 'InitialPixmapPlacement':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Controls where X pixmaps are initially created.

Attribute 'MultiGpuDisplayOwner':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  GPU ID of the GPU that has the display device(s) used for showing the X
  screen.

Attribute 'HWOverlay':
  - Attribute value is an integer.
  When a workstation overlay is in use, this value is 1 if the hardware overlay
  is used, or 0 if the overlay is emulated.

Attribute 'GlyphCache':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Enable or disable caching of glyphs (text) in video memory.

Attribute 'SwitchToDisplays':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  - Attribute value is a display mask.
  - Attribute value is switch display.
  DEPRECATED.

Attribute 'NotebookDisplayChangeLidEvent':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  DEPRECATED.

Attribute 'NotebookInternalLCD':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  - Attribute value is a display mask.
  DEPRECATED.

Attribute 'Depth30Allowed':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns whether the NVIDIA X driver supports depth 30 on the specified X
  screen or GPU.

Attribute 'NoScanout':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns whether the special "NoScanout" mode is enabled on the specified X
  screen or GPU.

Attribute 'XServerUniqueId':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns a pseudo-unique identification number for the X server.

Attribute 'PixmapCache':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Controls whether pixmaps are allocated in a cache.

Attribute 'PixmapCacheRoundSizeKB':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Controls the number of kilobytes to add to the pixmap cache when there is not
  enough room.

Attribute 'AccelerateTrapezoids':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Enable or disable GPU acceleration of RENDER Trapezoids.

Attribute 'ScreenPosition':
  - Attribute value is a string.
  - Attribute is not written to the rc file.
  Returns the physical X Screen's initial position and size (in absolute
  coordinates) within the desktop as the "token=value " string:  "x=#, y=#,
  width=#, height=#".

Attribute 'AddMetaMode':
  - Attribute value is a string.
  - Attribute is not written to the rc file.
  - Attribute not queried in 'query all'.
  Adds the given MetaMode to the X screen.

Attribute 'ParseMetaMode':
  - Attribute value is a string.
  - Attribute is not written to the rc file.
  - Attribute not queried in 'query all'.
  Parses and validates a given MetaMode.

Attribute 'SyncToVBlank':
  - Attribute value is an integer.
  Enables sync to vertical blanking for OpenGL clients.  This setting only
  takes effect on OpenGL clients started after it is set.

Attribute 'LogAniso':
  - Attribute value is an integer.
  Enables anisotropic filtering for OpenGL clients; on some NVIDIA hardware,
  this can only be enabled or disabled; on other hardware different levels of
  anisotropic filtering can be specified.  This setting only takes effect on
  OpenGL clients started after it is set.

Attribute 'FSAA':
  - Attribute value is an integer.
  The full screen antialiasing setting for OpenGL clients.  This setting only
  takes effect on OpenGL clients started after it is set. Enabling antialiasing
  will disable FXAA.

Attribute 'TextureSharpen':
  - Attribute value is an integer.
  Enables texture sharpening for OpenGL clients.  This setting only takes
  effect on OpenGL clients started after it is set.

Attribute 'ForceGenericCpu':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  NOT SUPPORTED.

Attribute 'GammaCorrectedAALines':
  - Attribute value is an integer.
  For OpenGL clients, allow gamma-corrected antialiased lines to consider
  variances in the color display capabilities of output devices when rendering
  smooth lines.  Only available on recent Quadro GPUs.  This setting only takes
  effect on OpenGL clients started after it is set.

Attribute 'TextureClamping':
  - Attribute value is an integer.
  Define the behavior of OpenGL texture clamping for unbordered textures.  If
  enabled (1), the conformant behavior is used.  If disabled (0), GL_CLAMP is
  remapped to GL_CLAMP_TO_EDGE to avoid seams in applications that rely on this
  behavior, which was the only option in some very old hardware.

Attribute 'FXAA':
  - Attribute value is an integer.
  Enables or disables the use of FXAA, Fast Approximate Anti-Aliasing. Enabling
  FXAA will disable regular antialiasing modes.

Attribute 'AllowFlipping':
  - Attribute value is an integer.
  Defines the swap behavior of OpenGL.  When 1, OpenGL will swap by flipping
  when possible;  When 0, OpenGL will always swap by blitting.

Attribute 'FSAAAppControlled':
  - Attribute value is an integer.
  When Application Control for FSAA is enabled, then what the application
  requests is used, and the FSAA attribute is ignored.  If this is disabled,
  then any application setting is overridden with the FSAA attribute.

Attribute 'LogAnisoAppControlled':
  - Attribute value is an integer.
  When Application Control for LogAniso is enabled, then what the application
  requests is used, and the LogAniso attribute is ignored.  If this is
  disabled, then any application setting is overridden with the LogAniso
  attribute.

Attribute 'ForceStereoFlipping':
  - Attribute value is an integer.
  When 1, OpenGL will force stereo flipping even when no stereo drawables are
  visible (if the device is configured to support it, see the "Stereo" X config
  option).  When 0, fall back to the default behavior of only flipping when a
  stereo drawable is visible.

Attribute 'OpenGLImageSettings':
  - Attribute value is an integer.
  The image quality setting for OpenGL clients.  This setting only takes effect
  on OpenGL clients started after it is set.

Attribute 'XineramaStereoFlipping':
  - Attribute value is an integer.
  When 1, OpenGL will allow stereo flipping on multiple X screens configured
  with Xinerama.  When 0, flipping is allowed only on one X screen at a time.

Attribute 'ShowSLIHUD':
  - Attribute value is an integer.
  If this is enabled (1), the driver will draw information about the current
  SLI mode into a "heads-up display" inside OpenGL windows accelerated with
  SLI.  This setting only takes effect on OpenGL clients started after it is
  set.

Attribute 'ShowSLIVisualIndicator':
  - Attribute value is an integer.
  If this is enabled (1), the driver will draw information about the current
  SLI mode into a "visual indicator" inside OpenGL windows accelerated with
  SLI.  This setting only takes effect on OpenGL clients started after it is
  set.

Attribute 'ShowMultiGpuVisualIndicator':
  - Attribute value is an integer.
  If this is enabled (1), the driver will draw information about the current
  MultiGPU mode into a "visual indicator" inside OpenGL windows accelerated
  with SLI.  This setting only takes effect on OpenGL clients started after it
  is set.

Attribute 'FSAAAppEnhanced':
  - Attribute value is an integer.
  Controls how the FSAA attribute is applied when FSAAAppControlled is
  disabled.  When FSAAAppEnhanced is disabled, OpenGL applications will be
  forced to use the FSAA mode specified by the FSAA attribute.  When the
  FSAAAppEnhanced attribute is enabled, only those applications that have
  selected a multisample FBConfig will be made to use the FSAA mode specified.

Attribute 'GammaCorrectedAALinesValue':
  - Attribute value is an integer.
  Returns the gamma value used by OpenGL when gamma-corrected antialiased lines
  are enabled.

Attribute 'StereoEyesExchange':
  - Attribute value is an integer.
  Swaps the left and right eyes of stereo images.

Attribute 'SliMosaicModeAvailable':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns whether or not SLI Mosaic Mode is supported.

Attribute 'SLIMode':
  - Attribute value is a string.
  - Attribute is not written to the rc file.
  Returns a string describing the current SLI mode, if any.

Attribute 'MultiGpuMode':
  - Attribute value is a string.
  - Attribute is not written to the rc file.
  Returns a string describing the current MultiGPU mode, if any.

Attribute 'AllowGSYNC':
  - Attribute value is an integer.
  Enables or disables the use of G-SYNC when available.

Attribute 'ShowGSYNCVisualIndicator':
  - Attribute value is an integer.
  If this is enabled (1), the driver will draw an indicator showing whether
  G-SYNC is in use, when an application is swapping using flipping.

Attribute 'StereoSwapMode':
  - Attribute value is an integer.
  Controls the swap mode when Quad-Buffered stereo is used.

Attribute 'BusType':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the type of bus connecting the specified device to the computer.  If
  the target is an X screen, then it uses the GPU driving the X screen as the
  device.

Attribute 'PCIEMaxLinkSpeed':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the maximum speed that the PCIe link between the GPU and the system
  may be trained to.  This is expressed in gigatransfers per second (GT/s). 
  The link may be dynamically trained to a slower speed, based on the GPU's
  utilization and performance settings.

Attribute 'PCIEMaxLinkWidth':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the maximum width that the PCIe link between the GPU and the system
  may be trained to.  This is expressed in number of lanes.  The trained link
  width may vary dynamically and possibly be narrower based on the GPU's
  utilization and performance settings.

Attribute 'PCIECurrentLinkSpeed':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the current PCIe link speed, in gigatransfers per second (GT/s).

Attribute 'PCIECurrentLinkWidth':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the current PCIe link width of the GPU, in number of lanes.

Attribute 'VideoRam':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the total amount of memory available to the specified GPU (or the GPU
  driving the specified X screen).  Note: if the GPU supports TurboCache(TM),
  the value reported may exceed the amount of video memory installed on the
  GPU.  The value reported for integrated GPUs may likewise exceed the amount
  of dedicated system memory set aside by the system BIOS for use by the
  integrated GPU.

Attribute 'TotalDedicatedGPUMemory':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the amount of total dedicated memory on the specified GPU in MB.

Attribute 'UsedDedicatedGPUMemory':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the amount of dedicated memory used on the specified GPU in MB.

Attribute 'Irq':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the interrupt request line used by the specified device.  If the
  target is an X screen, then it uses the GPU driving the X screen as the
  device.

Attribute 'CUDACores':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns number of CUDA cores supported by the graphics pipeline.

Attribute 'GPUMemoryInterface':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns bus bandwidth of the GPU's memory interface.

Attribute 'GPUCoreTemp':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Reports the current core temperature in Celsius of the GPU driving the X
  screen.

Attribute 'GPUAmbientTemp':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Reports the current temperature in Celsius of the immediate neighborhood of
  the GPU driving the X screen.

Attribute 'GPUGraphicsClockOffset':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  - Attribute not queried in 'query all'.
  This is the offset amount, in MHz, to over- or under-clock the Graphics
  Clock.  Specify the performance level in square brackets after the attribute
  name.  E.g., 'GPUGraphicsClockOffset[2]'.

Attribute 'GPUMemoryTransferRateOffset':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  - Attribute not queried in 'query all'.
  This is the offset amount, in MHz, to over- or under-clock the Memory
  Transfer Rate.  Specify the performance level in square brackets after the
  attribute name.  E.g., 'GPUMemoryTransferRateOffset[2]'.

Attribute 'GPUCurrentCoreVoltage':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  This attribute returns the GPU's current operating voltage, in microvolts
  (uV).

Attribute 'GPUOverVoltageOffset':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  This is the offset, in microvolts (uV), to apply to the GPU's operating
  voltage.

Attribute 'GPUOverclockingState':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  NOT SUPPORTED.

Attribute 'GPU2DClockFreqs':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  - Attribute value is packed integer.
  NOT SUPPORTED.

Attribute 'GPU3DClockFreqs':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  - Attribute value is packed integer.
  NOT SUPPORTED.

Attribute 'GPUDefault2DClockFreqs':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  - Attribute value is packed integer.
  NOT SUPPORTED.

Attribute 'GPUDefault3DClockFreqs':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  - Attribute value is packed integer.
  NOT SUPPORTED.

Attribute 'GPUCurrentClockFreqs':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  - Attribute value is packed integer.
  Returns the current GPU and memory clocks of the graphics device driving the
  X screen.

Attribute 'GPUCurrentProcessorClockFreqs':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the current processor clock of the graphics device driving the X
  screen.

Attribute 'BusRate':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  If the device is on an AGP bus, then BusRate returns the configured AGP rate.
  If the device is on a PCI Express bus, then this attribute returns the width
  of the physical link.

Attribute 'PCIDomain':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the PCI domain number for the specified device.

Attribute 'PCIBus':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the PCI bus number for the specified device.

Attribute 'PCIDevice':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the PCI device number for the specified device.

Attribute 'PCIFunc':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the PCI function number for the specified device.

Attribute 'PCIID':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  - Attribute value is packed integer.
  Returns the PCI vendor and device ID of the specified device.

Attribute 'PCIEGen':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the PCIe generation that this GPU, in this system, is compliant
  with.

Attribute 'GPUErrors':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the number of GPU errors occurred.

Attribute 'GPUPowerSource':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Reports the type of power source of the GPU.

Attribute 'GPUCurrentPerfMode':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  NOT SUPPORTED.

Attribute 'GPUCurrentPerfLevel':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Reports the current Performance level of the GPU driving the X screen.  Each
  Performance level has associated NVClock and Mem Clock values.

Attribute 'GPUAdaptiveClockState':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Reports if Adaptive Clocking is Enabled on the GPU driving the X screen.

Attribute 'GPUPowerMizerMode':
  - Attribute value is an integer.
  Allows setting different GPU powermizer modes.

Attribute 'GPUPowerMizerDefaultMode':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Reports the default powermizer mode of the GPU, if any.

Attribute 'ECCSupported':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Reports whether the underlying GPU supports ECC.  All of the other ECC
  attributes are only applicable if this attribute indicates that ECC is
  supported.

Attribute 'ECCStatus':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Reports whether ECC is enabled.

Attribute 'GPULogoBrightness':
  - Attribute value is an integer.
  Controls brightness of the logo on the GPU, if any.  The value is variable
  from 0% - 100%.

Attribute 'GPUSLIBridgeLogoBrightness':
  - Attribute value is an integer.
  Controls brightness of the logo on the SLI bridge, if any.  The value is
  variable from 0% - 100%.

Attribute 'ECCConfigurationSupported':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Reports whether ECC whether the ECC configuration setting can be changed.

Attribute 'ECCConfiguration':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the current ECC configuration setting.

Attribute 'ECCDefaultConfiguration':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the default ECC configuration setting.

Attribute 'ECCSingleBitErrors':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the number of single-bit ECC errors detected by the targeted GPU
  since the last system reboot.

Attribute 'ECCDoubleBitErrors':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the number of double-bit ECC errors detected by the targeted GPU
  since the last system reboot.

Attribute 'ECCAggregateSingleBitErrors':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the number of single-bit ECC errors detected by the targeted GPU
  since the last counter reset.

Attribute 'ECCAggregateDoubleBitErrors':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the number of double-bit ECC errors detected by the targeted GPU
  since the last counter reset.

Attribute 'GPUFanControlState':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  The current fan control state; the value of this attribute controls the
  availability of additional fan control attributes.  Note that this attribute
  is unavailable unless fan control support has been enabled by setting the
  "Coolbits" X config option.

Attribute 'GPUTargetFanSpeed':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the GPU fan's target speed.

Attribute 'GPUCurrentFanSpeed':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the GPU fan's current speed.

Attribute 'GPUResetFanSpeed':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Resets the GPU fan's speed to its default.

Attribute 'GPUCurrentFanSpeedRPM':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the GPU fan's tachometer-measured speed in rotations per minute
  (RPM).

Attribute 'GPUFanControlType':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns how the GPU fan is controlled.  '1' means the fan can only be toggled
  on and off; '2' means the fan has variable speed.  '0' means the fan is
  restricted and cannot be adjusted under end user control.

Attribute 'GPUFanTarget':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the objects the fan cools.  '1' means the GPU, '2' means video
  memory, '4' means the power supply, and '7' means all of the above.

Attribute 'ThermalSensorReading':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the thermal sensor's current reading.

Attribute 'ThermalSensorProvider':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the hardware device that provides the thermal sensor.

Attribute 'ThermalSensorTarget':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns what hardware component the thermal sensor is measuring.

Attribute 'GPUDoublePrecisionBoostImmediate':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Toggles GPU double precision; the change is applied immediately.  Only
  available when the change can be made immediately.

Attribute 'GPUDoublePrecisionBoostReboot':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Toggles GPU double precision; the change is applied on the next reboot.  Only
  available when the change requires a reboot.

Attribute 'BaseMosaic':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the current Base Mosaic configuration.

Attribute 'MultiGpuMasterPossible':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns whether or not the GPU can be configured as the master GPU for a
  Multi GPU configuration (SLI, SLI Mosaic, Base Mosaic, ...).

Attribute 'VideoEncoderUtilization':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the video encoder engine utilization as a percentage.

Attribute 'VideoDecoderUtilization':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the video decoder engine utilization as a percentage.

Attribute 'GPUCurrentClockFreqsString':
  - Attribute value is a string.
  - Attribute is not written to the rc file.
  Returns the current GPU, memory and Processor clocks of the graphics device
  driving the X screen.

Attribute 'GPUPerfModes':
  - Attribute value is a string.
  - Attribute is not written to the rc file.
  Returns a string with all the performance modes defined for this GPU along
  with their associated NV Clock and Memory Clock values.

Attribute 'GpuUUID':
  - Attribute value is a string.
  - Attribute is not written to the rc file.
  Returns the global unique identifier of the GPU.

Attribute 'GPUUtilization':
  - Attribute value is a string.
  - Attribute is not written to the rc file.
  Returns the current percentage utilization of the GPU components.

Attribute 'FrameLockAvailable':
  - Attribute value is an integer.
  - Is GUI attribute.
  - Is Frame Lock attribute.
  - Attribute is not written to the rc file.
  Returns whether the underlying GPU supports Frame Lock.  All of the other
  frame lock attributes are only applicable if this attribute is enabled
  (Supported).

Attribute 'FrameLockMaster':
  - Attribute value is an integer.
  - Is GUI attribute.
  - Is Frame Lock attribute.
  - Attribute is not written to the rc file.
  - Attribute value is a display mask.
  DEPRECATED: use "FrameLockDisplayConfig" instead.

Attribute 'FrameLockPolarity':
  - Attribute value is an integer.
  - Is GUI attribute.
  - Is Frame Lock attribute.
  - Attribute is not written to the rc file.
  Sync to the rising edge of the Frame Lock pulse, the falling edge of the
  Frame Lock pulse, or both.

Attribute 'FrameLockSyncDelay':
  - Attribute value is an integer.
  - Is GUI attribute.
  - Is Frame Lock attribute.
  - Attribute is not written to the rc file.
  Returns the delay between the frame lock pulse and the GPU sync.  This is an
  11 bit value which is multiplied by 7.81 to determine the sync delay in
  microseconds.

Attribute 'FrameLockSyncInterval':
  - Attribute value is an integer.
  - Is GUI attribute.
  - Is Frame Lock attribute.
  - Attribute is not written to the rc file.
  This defines the number of house sync pulses for each Frame Lock sync period.
  This only applies to the server, and only when recieving house sync.  A value
  of zero means every house sync pulse is one frame period.

Attribute 'FrameLockPort0Status':
  - Attribute value is an integer.
  - Is GUI attribute.
  - Is Frame Lock attribute.
  - Attribute is not written to the rc file.
  Input/Output status of the RJ45 port0.

Attribute 'FrameLockPort1Status':
  - Attribute value is an integer.
  - Is GUI attribute.
  - Is Frame Lock attribute.
  - Attribute is not written to the rc file.
  Input/Output status of the RJ45 port1.

Attribute 'FrameLockHouseStatus':
  - Attribute value is an integer.
  - Is GUI attribute.
  - Is Frame Lock attribute.
  - Attribute is not written to the rc file.
  Returns whether or not the house sync signal was detected on the BNC
  connector of the frame lock board.

Attribute 'FrameLockEnable':
  - Attribute value is an integer.
  - Is GUI attribute.
  - Is Frame Lock attribute.
  - Attribute is not written to the rc file.
  Enable/disable the syncing of display devices to the frame lock pulse as
  specified by previous calls to FrameLockMaster and FrameLockSlaves.

Attribute 'FrameLockSyncReady':
  - Attribute value is an integer.
  - Is GUI attribute.
  - Is Frame Lock attribute.
  - Attribute is not written to the rc file.
  Reports whether a slave frame lock board is receiving sync, whether or not
  any display devices are using the signal.

Attribute 'FrameLockStereoSync':
  - Attribute value is an integer.
  - Is GUI attribute.
  - Is Frame Lock attribute.
  - Attribute is not written to the rc file.
  This indicates that the GPU stereo signal is in sync with the frame lock
  stereo signal.

Attribute 'FrameLockTestSignal':
  - Attribute value is an integer.
  - Is GUI attribute.
  - Is Frame Lock attribute.
  - Attribute is not written to the rc file.
  To test the connections in the sync group, tell the master to enable a test
  signal, then query port[01] status and sync_ready on all slaves.  When done,
  tell the master to disable the test signal.  Test signal should only be
  manipulated while FrameLockEnable is enabled.  The FrameLockTestSignal is
  also used to reset the Universal Frame Count (as returned by the
  glXQueryFrameCountNV() function in the GLX_NV_swap_group extension).  Note:
  for best accuracy of the Universal Frame Count, it is recommended to toggle
  the FrameLockTestSignal on and off after enabling frame lock.

Attribute 'FrameLockEthDetected':
  - Attribute value is an integer.
  - Is GUI attribute.
  - Is Frame Lock attribute.
  - Attribute is not written to the rc file.
  The frame lock boards are cabled together using regular cat5 cable,
  connecting to RJ45 ports on the backplane of the card.  There is some concern
  that users may think these are Ethernet ports and connect them to a
  router/hub/etc.  The hardware can detect this and will shut off to prevent
  damage (either to itself or to the router).  FrameLockEthDetected may be
  called to find out if Ethernet is connected to one of the RJ45 ports.  An
  appropriate error message should then be displayed.

Attribute 'FrameLockVideoMode':
  - Attribute value is an integer.
  - Is GUI attribute.
  - Is Frame Lock attribute.
  - Attribute is not written to the rc file.
  Get/set what video mode is used to interpret the house sync signal.  This
  should only be set on the master.

Attribute 'FrameLockSyncRate':
  - Attribute value is an integer.
  - Is GUI attribute.
  - Is Frame Lock attribute.
  - Attribute is not written to the rc file.
  Returns the refresh rate that the frame lock board is sending to the GPU, in
  mHz (Millihertz) (i.e., to get the refresh rate in Hz, divide the returned
  value by 1000).

Attribute 'FrameLockTiming':
  - Attribute value is an integer.
  - Is GUI attribute.
  - Is Frame Lock attribute.
  - Attribute is not written to the rc file.
  This is 1 when the GPU is both receiving and locked to an input timing
  signal.  Timing information may come from the following places: another frame
  lock device that is set to master, the house sync signal, or the GPU's
  internal timing from a display device.

Attribute 'FramelockUseHouseSync':
  - Attribute value is an integer.
  - Is GUI attribute.
  - Is Frame Lock attribute.
  - Attribute is not written to the rc file.
  When 1, the server (master) frame lock device will propagate the incoming
  house sync signal as the outgoing frame lock sync signal.  If the frame lock
  device cannot detect a frame lock sync signal, it will default to using the
  internal timings from the GPU connected to the primary connector.

Attribute 'FrameLockSlaves':
  - Attribute value is an integer.
  - Is GUI attribute.
  - Is Frame Lock attribute.
  - Attribute is not written to the rc file.
  - Attribute value is a display mask.
  DEPRECATED: use "FrameLockDisplayConfig" instead.

Attribute 'FrameLockMasterable':
  - Attribute value is an integer.
  - Is GUI attribute.
  - Is Frame Lock attribute.
  - Attribute is not written to the rc file.
  - Attribute value is a display mask.
  DEPRECATED: use "FrameLockDisplayConfig" instead.

Attribute 'FrameLockSlaveable':
  - Attribute value is an integer.
  - Is GUI attribute.
  - Is Frame Lock attribute.
  - Attribute is not written to the rc file.
  - Attribute value is a display mask.
  DEPRECATED: use "FrameLockDisplayConfig" instead.

Attribute 'FrameLockFPGARevision':
  - Attribute value is an integer.
  - Is GUI attribute.
  - Is Frame Lock attribute.
  - Attribute is not written to the rc file.
  Returns the FPGA revision of the Frame Lock device.

Attribute 'FrameLockSyncRate4':
  - Attribute value is an integer.
  - Is GUI attribute.
  - Is Frame Lock attribute.
  - Attribute is not written to the rc file.
  Returns the refresh rate that the frame lock board is sending to the GPU in
  1/10000 Hz (i.e., to get the refresh rate in Hz, divide the returned value by
  10000).

Attribute 'FrameLockSyncDelayResolution':
  - Attribute value is an integer.
  - Is GUI attribute.
  - Is Frame Lock attribute.
  - Attribute is not written to the rc file.
  Returns the number of nanoseconds that one unit of FrameLockSyncDelay
  corresponds to.

Attribute 'FrameLockIncomingHouseSyncRate':
  - Attribute value is an integer.
  - Is GUI attribute.
  - Is Frame Lock attribute.
  - Attribute is not written to the rc file.
  Returns the rate of the incoming house sync signal to the frame lock board,
  in mHz (Millihertz) (i.e., to get the house sync rate in Hz, divide the
  returned value by 1000).

Attribute 'FrameLockDisplayConfig':
  - Attribute value is an integer.
  - Is GUI attribute.
  - Is Frame Lock attribute.
  - Attribute is not written to the rc file.
  Controls the FrameLock mode of operation for the display device.

Attribute 'GvoSupported':
  - Attribute value is an integer.
  - Is SDI attribute.
  - Attribute is not written to the rc file.
  Returns whether this X screen supports GVO; if this screen does not support
  GVO output, then all other GVO attributes are unavailable.

Attribute 'GvoSyncMode':
  - Attribute value is an integer.
  - Is SDI attribute.
  Selects the GVO sync mode; possible values are: FREE_RUNNING - GVO does not
  sync to any external signal.  GENLOCK - the GVO output is genlocked to an
  incoming sync signal; genlocking locks at hsync.  This requires that the
  output video format exactly match the incoming sync video format.  FRAMELOCK
  - the GVO output is frame locked to an incoming sync signal; frame locking
  locks at vsync.  This requires that the output video format have the same
  refresh rate as the incoming sync video format.

Attribute 'GvoSyncSource':
  - Attribute value is an integer.
  - Is SDI attribute.
  If the GVO sync mode is set to either GENLOCK or FRAMELOCK, this controls
  which sync source is used as the incoming sync signal (either Composite or
  SDI).  If the GVO sync mode is FREE_RUNNING, this attribute has no effect.

Attribute 'GvioRequestedVideoFormat':
  - Attribute value is an integer.
  - Is SDI attribute.
  Specifies the requested output video format for a GVO device, or the
  requested capture format for a GVI device.

Attribute 'GvoOutputVideoFormat':
  - Attribute value is an integer.
  - Is SDI attribute.
  - Attribute not queried in 'query all'.
  DEPRECATED: use "GvioRequestedVideoFormat" instead.

Attribute 'GviSyncOutputFormat':
  - Attribute value is an integer.
  - Is SDI attribute.
  - Attribute is not written to the rc file.
  Returns the output sync signal from the GVI device.

Attribute 'GvioDetectedVideoFormat':
  - Attribute value is an integer.
  - Is SDI attribute.
  - Attribute is not written to the rc file.
  Returns the input video format detected by the GVO or GVI device.  For GVI
  devices, the jack+channel must be passed through via the display mask param
  where the jack number is in the lower 16 bits and the channel number is in
  the upper 16 bits.

Attribute 'GvoInputVideoFormat':
  - Attribute value is an integer.
  - Is SDI attribute.
  - Attribute is not written to the rc file.
  - Attribute not queried in 'query all'.
  DEPRECATED: use "GvioDetectedVideoFormat" instead.

Attribute 'GvoDataFormat':
  - Attribute value is an integer.
  - Is SDI attribute.
  Configures how the data in the source (either the X screen or the GLX
  pbuffer) is interpreted and displayed by the GVO device.

Attribute 'GvoCompositeSyncInputDetected':
  - Attribute value is an integer.
  - Is SDI attribute.
  - Attribute is not written to the rc file.
  Indicates whether Composite Sync input is detected.

Attribute 'GvoCompositeSyncInputDetectMode':
  - Attribute value is an integer.
  - Is SDI attribute.
  - Attribute is not written to the rc file.
  Get/set the Composite Sync input detect mode.

Attribute 'GvoSdiSyncInputDetected':
  - Attribute value is an integer.
  - Is SDI attribute.
  - Attribute is not written to the rc file.
  Indicates whether SDI Sync input is detected, and what type.

Attribute 'GvoVideoOutputs':
  - Attribute value is an integer.
  - Is SDI attribute.
  - Attribute is not written to the rc file.
  Indicates which GVO video output connectors are currently transmitting data.

Attribute 'GvoSyncDelayPixels':
  - Attribute value is an integer.
  - Is SDI attribute.
  Controls the skew between the input sync and the output sync in numbers of
  pixels from hsync; this is a 12-bit value.  If the GVO Capabilities has the
  Advanced Sync Skew bit set, then setting this value will set a sync advance
  instead of a delay.

Attribute 'GvoSyncDelayLines':
  - Attribute value is an integer.
  - Is SDI attribute.
  Controls the skew between the input sync and the output sync in numbers of
  lines from vsync; this is a 12-bit value.  If the GVO Capabilities has the
  Advanced Sync Skew bit set, then setting this value will set a sync advance
  instead of a delay.

Attribute 'GvoInputVideoFormatReacquire':
  - Attribute value is an integer.
  - Is SDI attribute.
  - Attribute is not written to the rc file.
  Forces input detection to reacquire the input format.

Attribute 'GvoGlxLocked':
  - Attribute value is an integer.
  - Is SDI attribute.
  - Attribute is not written to the rc file.
  DEPRECATED: use "GvoLockOwner" instead.

Attribute 'GvoOverrideHwCsc':
  - Attribute value is an integer.
  - Is SDI attribute.
  Override the SDI hardware's Color Space Conversion with the values controlled
  through XNVCTRLSetGvoColorConversion() and XNVCTRLGetGvoColorConversion().

Attribute 'GvoCapabilities':
  - Attribute value is an integer.
  - Is SDI attribute.
  - Attribute is not written to the rc file.
  Returns a description of the GVO capabilities that differ between NVIDIA SDI
  products.  This value is a bitmask where each bit indicates whether that
  capability is available.

Attribute 'GvoCompositeTermination':
  - Attribute value is an integer.
  - Is SDI attribute.
  Enable or disable 75 ohm termination of the SDI composite input signal.

Attribute 'GvoFlipQueueSize':
  - Attribute value is an integer.
  - Is SDI attribute.
  Sets/Returns the GVO flip queue size.  This value is used by the
  GLX_NV_video_out extension to determine the size of the internal flip queue
  when pbuffers are sent to the video device (via glXSendPbufferToVideoNV()). 
  This attribute is applied to GLX when glXGetVideoDeviceNV() is called by the
  application.

Attribute 'GvoLockOwner':
  - Attribute value is an integer.
  - Is SDI attribute.
  - Attribute is not written to the rc file.
  Indicates that the GVO device is available or in use (by GLX, Clone Mode, or
  TwinView).

Attribute 'GvoOutputVideoLocked':
  - Attribute value is an integer.
  - Is SDI attribute.
  - Attribute is not written to the rc file.
  Returns whether or not the GVO output video is locked to the GPU output
  signal.

Attribute 'GvoSyncLockStatus':
  - Attribute value is an integer.
  - Is SDI attribute.
  - Attribute is not written to the rc file.
  Returns whether or not the GVO device is locked to the input reference
  signal.

Attribute 'GvoANCTimeCodeGeneration':
  - Attribute value is an integer.
  - Is SDI attribute.
  Controls whether the GVO device generates time codes in the ANC region of the
  SDI video output stream.

Attribute 'GvoComposite':
  - Attribute value is an integer.
  - Is SDI attribute.
  Enables/Disables SDI compositing.  This attribute is only available when an
  SDI input source is detected and is in genlock mode.

Attribute 'GvoCompositeAlphaKey':
  - Attribute value is an integer.
  - Is SDI attribute.
  When SDI compositing is enabled, this enables/disables alpha blending.

Attribute 'GvoCompositeNumKeyRanges':
  - Attribute value is an integer.
  - Is SDI attribute.
  - Attribute is not written to the rc file.
  Returns the number of ranges available for each channel (Y/Luma, Cr, and Cb)
  that are used SDI compositing through color keying.

Attribute 'GvoSyncToDisplay':
  - Attribute value is an integer.
  - Is SDI attribute.
  - Attribute is not written to the rc file.
  Controls synchronization of the non-SDI display to the SDI display when both
  are active.

Attribute 'GvoFullRangeColor':
  - Attribute value is an integer.
  - Is SDI attribute.
  Allow full range color data [4-1019].  If disabled, color data is clamped to
  [64-940].

Attribute 'IsGvoDisplay':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  - Attribute value is a display mask.
  Returns whether or not the given display device is driven by the GVO device.

Attribute 'GvoEnableRGBData':
  - Attribute value is an integer.
  - Is SDI attribute.
  Indicates that RGB data is being sent via a PASSTHU mode.

Attribute 'GvoAudioBlanking':
  - Attribute value is an integer.
  - Is SDI attribute.
  Indicates that the GVO device should drop audio ancillary data packets when
  frames are repeated.

Attribute 'GviNumJacks':
  - Attribute value is an integer.
  - Is SDI attribute.
  - Attribute is not written to the rc file.
  Returns the number of input (BNC) jacks on a GVI device that can read video
  streams.

Attribute 'GviMaxLinksPerStream':
  - Attribute value is an integer.
  - Is SDI attribute.
  - Attribute is not written to the rc file.
  Returns the maximum number of links that can make up a stream.

Attribute 'GviDetectedChannelBitsPerComponent':
  - Attribute value is an integer.
  - Is SDI attribute.
  - Attribute is not written to the rc file.
  Returns the detected bits per component on the given jack+channel of the GVI
  device.  The jack+channel must be passed through via the display mask param
  where the jack number is in the lower 16 bits and the channel number is in
  the upper 16 bits.

Attribute 'GviRequestedStreamBitsPerComponent':
  - Attribute value is an integer.
  - Is SDI attribute.
  Indicates the number of bits per component for a capture stream.

Attribute 'GviDetectedChannelComponentSampling':
  - Attribute value is an integer.
  - Is SDI attribute.
  - Attribute is not written to the rc file.
  Returns the detected sampling format on the given jack+channel of the GVI
  device.  The jack+channel must be passed through via the display mask param
  where the jack number is in the lower 16 bits and the channel number is in
  the upper 16 bits.

Attribute 'GviRequestedStreamComponentSampling':
  - Attribute value is an integer.
  - Is SDI attribute.
  Indicates the sampling format for a capture stream.

Attribute 'GviRequestedStreamChromaExpand':
  - Attribute value is an integer.
  - Is SDI attribute.
  Indicates whether 4:2:2 -> 4:4:4 chroma expansion is enabled for the capture
  stream.

Attribute 'GviDetectedChannelColorSpace':
  - Attribute value is an integer.
  - Is SDI attribute.
  - Attribute is not written to the rc file.
  Returns the detected color space (RGB, YCRCB, etc) for the given jack+channel
  of the GVI device.  The jack+channel must be passed through via the display
  mask param where the jack number is in the lower 16 bits and the channel
  number is in the upper 16 bits.

Attribute 'GviDetectedChannelLinkID':
  - Attribute value is an integer.
  - Is SDI attribute.
  - Attribute is not written to the rc file.
  Returns the detected link identifier for the given jack+channel of the GVI
  device.  The jack+channel must be passed through via the display mask param
  where the jack number is in the lower 16 bits and the channel number is in
  the upper 16 bits.

Attribute 'GviDetectedChannelSMPTE352Identifier':
  - Attribute value is an integer.
  - Is SDI attribute.
  - Attribute is not written to the rc file.
  Returns the detected 4-byte SMPTE 352 identifier from the given jack+channel
  of the GVI device.  The jack+channel must be passed through via the display
  mask param where the jack number is in the lower 16 bits and the channel
  number is in the upper 16 bits.

Attribute 'GviGlobalIdentifier':
  - Attribute value is an integer.
  - Is SDI attribute.
  - Attribute is not written to the rc file.
  Returns the global identifier for the given NV-CONTROL GVI device.

Attribute 'GviMaxChannelsPerJack':
  - Attribute value is an integer.
  - Is SDI attribute.
  - Attribute is not written to the rc file.
  Returns the maximum supported number of channels per single jack on a GVI
  device.

Attribute 'GviMaxStreams':
  - Attribute value is an integer.
  - Is SDI attribute.
  - Attribute is not written to the rc file.
  Returns the maximum supported number of streams that can be configured on a
  GVI device.

Attribute 'GviNumCaptureSurfaces':
  - Attribute value is an integer.
  - Is SDI attribute.
  - Attribute is not written to the rc file.
  Controls the number of capture buffers for storing incoming video from the
  GVI device.

Attribute 'GviBoundGpu':
  - Attribute value is an integer.
  - Is SDI attribute.
  - Attribute is not written to the rc file.
  Returns the target index of the GPU currently attached to the GVI device.

Attribute 'GviTestMode':
  - Attribute value is an integer.
  - Is SDI attribute.
  - Attribute is not written to the rc file.
  Enable or disable GVI test mode.

Attribute 'GvioFirmwareVersion':
  - Attribute value is a string.
  - Is SDI attribute.
  - Attribute is not written to the rc file.
  Indicates the version of the firmware on the GVO or GVI device.

Attribute 'GvoFirmwareVersion':
  - Attribute value is a string.
  - Is SDI attribute.
  - Attribute is not written to the rc file.
  - Attribute not queried in 'query all'.
  DEPRECATED: use "GvioFirmwareVersion" instead.

Attribute 'GvoCSCMatrix':
  - Attribute value is a SDI CSC matrix.
  - Is SDI attribute.
  - Attribute is not written to the rc file.
  Sets the GVO Color Space Conversion (CSC) matrix.  Accepted values are
  "ITU_601", "ITU_709", "ITU_177", and "Identity".

Attribute 'Brightness':
  - Attribute value is a color.
  - Is GUI attribute.
  - Attribute is not written to the rc file.
  Controls the overall brightness of the display.

Attribute 'RedBrightness':
  - Attribute value is a color.
  - Is GUI attribute.
  Controls the brightness of the color red in the display.

Attribute 'GreenBrightness':
  - Attribute value is a color.
  - Is GUI attribute.
  Controls the brightness of the color green in the display.

Attribute 'BlueBrightness':
  - Attribute value is a color.
  - Is GUI attribute.
  Controls the brightness of the color blue in the display.

Attribute 'Contrast':
  - Attribute value is a color.
  - Is GUI attribute.
  - Attribute is not written to the rc file.
  Controls the overall contrast of the display.

Attribute 'RedContrast':
  - Attribute value is a color.
  - Is GUI attribute.
  Controls the contrast of the color red in the display.

Attribute 'GreenContrast':
  - Attribute value is a color.
  - Is GUI attribute.
  Controls the contrast of the color green in the display.

Attribute 'BlueContrast':
  - Attribute value is a color.
  - Is GUI attribute.
  Controls the contrast of the color blue in the display.

Attribute 'Gamma':
  - Attribute value is a color.
  - Is GUI attribute.
  - Attribute is not written to the rc file.
  Controls the overall gamma of the display.

Attribute 'RedGamma':
  - Attribute value is a color.
  - Is GUI attribute.
  Controls the gamma of the color red in the display.

Attribute 'GreenGamma':
  - Attribute value is a color.
  - Is GUI attribute.
  Controls the gamma of the color green in the display.

Attribute 'BlueGamma':
  - Attribute value is a color.
  - Is GUI attribute.
  Controls the gamma of the color blue in the display.

Attribute 'Dithering':
  - Attribute value is an integer.
  Controls the dithering: auto (0), enabled (1), disabled (2).

Attribute 'CurrentDithering':
  - Attribute value is an integer.
  Returns the current dithering state: enabled (1), disabled (0).

Attribute 'DitheringMode':
  - Attribute value is an integer.
  Controls the dithering mode when CurrentDithering=1; auto (0), temporally
  repeating dithering pattern (1), static dithering pattern (2), temporally
  stochastic dithering (3).

Attribute 'CurrentDitheringMode':
  - Attribute value is an integer.
  Returns the current dithering mode: none (0), temporally repeating dithering
  pattern (1), static dithering pattern (2), temporally stochastic dithering
  (3).

Attribute 'DitheringDepth':
  - Attribute value is an integer.
  Controls the dithering depth when CurrentDithering=1; auto (0), 6 bits per
  channel (1), 8 bits per channel (2).

Attribute 'CurrentDitheringDepth':
  - Attribute value is an integer.
  Returns the current dithering depth: none (0), 6 bits per channel (1), 8 bits
  per channel (2).

Attribute 'DigitalVibrance':
  - Attribute value is an integer.
  Sets the digital vibrance level of the display device.

Attribute 'ImageSharpening':
  - Attribute value is an integer.
  Adjusts the sharpness of the display's image quality by amplifying high
  frequency content.

Attribute 'ImageSharpeningDefault':
  - Attribute value is an integer.
  Returns default value of image sharpening.

Attribute 'FrontendResolution':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  - Attribute value is packed integer.
  Returns the dimensions of the frontend (current) resolution as determined by
  the NVIDIA X Driver.  This attribute is a packed integer; the width is packed
  in the upper 16 bits and the height is packed in the lower 16-bits.

Attribute 'BackendResolution':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  - Attribute value is packed integer.
  Returns the dimensions of the backend resolution as determined by the NVIDIA
  X Driver.  The backend resolution is the resolution (supported by the display
  device) the GPU is set to scale to.  If this resolution matches the frontend
  resolution, GPU scaling will not be needed/used.  This attribute is a packed
  integer; the width is packed in the upper 16-bits and the height is packed in
  the lower 16-bits.

Attribute 'FlatpanelNativeResolution':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  - Attribute value is packed integer.
  Returns the dimensions of the native resolution of the flat panel as
  determined by the NVIDIA X Driver.  The native resolution is the resolution
  at which a flat panel must display any image.  All other resolutions must be
  scaled to this resolution through GPU scaling or the DFP's native scaling
  capabilities in order to be displayed.  This attribute is only valid for flat
  panel (DFP) display devices.  This attribute is a packed integer; the width
  is packed in the upper 16-bits and the height is packed in the lower
  16-bits.

Attribute 'FlatpanelBestFitResolution':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  - Attribute value is packed integer.
  Returns the dimensions of the resolution, selected by the X driver, from the
  DFP's EDID that most closely matches the frontend resolution of the current
  mode.  The best fit resolution is selected on a per-mode basis.  This
  attribute is only valid for flat panel (DFP) display devices.  This attribute
  is a packed integer; the width is packed in the upper 16-bits and the height
  is packed in the lower 16-bits.

Attribute 'DFPScalingActive':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the current state of DFP scaling.  DFP scaling is mode-specific
  (meaning it may vary depending on which mode is currently set).  DFP scaling
  is active if the GPU is set to scale to the best fit resolution (GPUScaling
  is set to use FlatpanelBestFitResolution) and the best fit and native
  resolutions are different.

Attribute 'GPUScaling':
  - Attribute value is an integer.
  - Attribute value is packed integer.
  Controls what the GPU scales to and how.  This attribute is a packed integer;
  the scaling target (native/best fit) is packed in the upper 16-bits and the
  scaling method is packed in the lower 16-bits.

Attribute 'GPUScalingDefaultTarget':
  - Attribute value is an integer.
  Returns the default gpu scaling target for the Flatpanel.

Attribute 'GPUScalingDefaultMethod':
  - Attribute value is an integer.
  Returns the default gpu scaling method for the Flatpanel.

Attribute 'GPUScalingActive':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the current state of GPU scaling.  GPU scaling is mode-specific
  (meaning it may vary depending on which mode is currently set).  GPU scaling
  is active if the frontend timing (current resolution) is different than the
  target resolution.  The target resolution is either the native resolution of
  the flat panel or the best fit resolution supported by the flat panel.  What
  (and how) the GPU should scale to is controlled through the GPUScaling
  attribute.

Attribute 'RefreshRate':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  - Attribute value is in units of Centihertz (1/100Hz).
  Returns the refresh rate of the specified display device in cHz (Centihertz)
  (to get the refresh rate in Hz, divide the returned value by 100).

Attribute 'RefreshRate3':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  - Attribute value is in units of Milihertz (1/1000 Hz).
  Returns the refresh rate of the specified display device in mHz (Millihertz)
  (to get the refresh rate in Hz, divide the returned value by 1000).

Attribute 'OverscanCompensation':
  - Attribute value is an integer.
  Adjust the amount of overscan compensation scaling, in pixels, to apply to
  the specified display device.

Attribute 'ColorSpace':
  - Attribute value is an integer.
  - Is GUI attribute.
  Sets the preferred color space of the signal sent to the display device.

Attribute 'ColorRange':
  - Attribute value is an integer.
  - Is GUI attribute.
  Sets the preferred color range of the signal sent to the display device.

Attribute 'CurrentColorSpace':
  - Attribute value is an integer.
  - Is GUI attribute.
  - Attribute is not written to the rc file.
  Returns the current color space of the signal sent to the display device.

Attribute 'CurrentColorRange':
  - Attribute value is an integer.
  - Is GUI attribute.
  - Attribute is not written to the rc file.
  Returns the current color range of the signal sent to the display device.

Attribute 'SynchronousPaletteUpdates':
  - Attribute value is an integer.
  Controls whether colormap updates are synchronized with X rendering.

Attribute 'CurrentMetaModeID':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  The ID of the current MetaMode.

Attribute 'RandROutputID':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  The RandR Output ID that corresponds to the display device.

Attribute 'Hdmi3D':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns whether the specified display device is currently using HDMI 3D Frame
  Packed Stereo mode. If so, the result of refresh rate queries will be
  doubled.

Attribute 'BacklightBrightness':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Controls the backlight brightness of an internal panel.

Attribute 'CurrentMetaMode':
  - Attribute value is a string.
  - Attribute is not written to the rc file.
  Controls the current MetaMode.

Attribute 'XineramaInfoOrder':
  - Attribute value is a string.
  - Attribute is not written to the rc file.
  Controls the nvidiaXineramaInfoOrder.

Attribute 'BuildModepool':
  - Attribute value is a string.
  - Attribute is not written to the rc file.
  - Attribute not queried in 'query all'.
  Build the modepool of the display device if it does not already have one.

Attribute 'TVOverScan':
  - Attribute value is an integer.
  Adjusts the amount of overscan on the specified display device.

Attribute 'TVFlickerFilter':
  - Attribute value is an integer.
  Adjusts the amount of flicker filter on the specified display device.

Attribute 'TVBrightness':
  - Attribute value is an integer.
  Adjusts the amount of brightness on the specified display device.

Attribute 'TVHue':
  - Attribute value is an integer.
  Adjusts the amount of hue on the specified display device.

Attribute 'TVContrast':
  - Attribute value is an integer.
  Adjusts the amount of contrast on the specified display device.

Attribute 'TVSaturation':
  - Attribute value is an integer.
  Adjusts the amount of saturation on the specified display device.

Attribute 'XVideoSyncToDisplay':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  - Attribute value is a display mask.
  - Attribute cannot be zero.
  DEPRECATED: Use "XVideoSyncToDisplayID" instead.

Attribute 'XVideoSyncToDisplayID':
  - Attribute value is an integer.
  - Attribute value is a display ID.
  Controls which display device is synced to by the XVideo texture and blitter
  adaptors when they are set to synchronize to the vertical blanking.

Attribute 'CurrentXVideoSyncToDisplayID':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  - Attribute value is a display ID.
  Returns the display device synced to by the XVideo texture and blitter
  adaptors when they are set to synchronize to the vertical blanking.

Attribute '3DVisionProResetTransceiverToFactorySettings':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Resets the 3D Vision Pro transceiver to its factory settings.

Attribute '3DVisionProTransceiverChannel':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Controls the channel that is currently used by the 3D Vision Pro
  transceiver.

Attribute '3DVisionProTransceiverMode':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Controls the mode in which the 3D Vision Pro transceiver operates.

Attribute '3DVisionProTransceiverChannelFrequency':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the frequency of the channel(in kHz) of the 3D Vision Pro
  transceiver.

Attribute '3DVisionProTransceiverChannelQuality':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the quality of the channel(in percentage) of the 3D Vision Pro
  transceiver.

Attribute '3DVisionProTransceiverChannelCount':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the number of channels on the 3D Vision Pro transceiver.

Attribute '3DVisionProPairGlasses':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Puts the 3D Vision Pro transceiver into pairing mode to gather additional
  glasses.

Attribute '3DVisionProUnpairGlasses':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Tells a specific pair of glasses to unpair.

Attribute '3DVisionProDiscoverGlasses':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Tells the 3D Vision Pro transceiver about the glasses that have been paired
  using NV_CTRL_3D_VISION_PRO_PAIR_GLASSES_BEACON.

Attribute '3DVisionProIdentifyGlasses':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Causes glasses LEDs to flash for a short period of time.

Attribute '3DVisionProGlassesSyncCycle':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Controls the sync cycle duration(in milliseconds) of the glasses.

Attribute '3DVisionProGlassesMissedSyncCycles':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the number of state sync cycles recently missed by the glasses.

Attribute '3DVisionProGlassesBatteryLevel':
  - Attribute value is an integer.
  - Attribute is not written to the rc file.
  Returns the battery level(in percentage) of the glasses.

Attribute '3DVisionProTransceiverHardwareRevision':
  - Attribute value is a string.
  - Attribute is not written to the rc file.
  Returns the hardware revision of the 3D Vision Pro transceiver.

Attribute '3DVisionProTransceiverFirmwareVersionA':
  - Attribute value is a string.
  - Attribute is not written to the rc file.
  Returns the firmware version of chip A of the 3D Vision Pro transceiver.

Attribute '3DVisionProTransceiverFirmwareDateA':
  - Attribute value is a string.
  - Attribute is not written to the rc file.
  Returns the date of the firmware of chip A of the 3D Vision Pro transceiver.

Attribute '3DVisionProTransceiverFirmwareVersionB':
  - Attribute value is a string.
  - Attribute is not written to the rc file.
  Returns the firmware version of chip B of the 3D Vision Pro transceiver.

Attribute '3DVisionProTransceiverFirmwareDateB':
  - Attribute value is a string.
  - Attribute is not written to the rc file.
  Returns the date of the firmware of chip B of the 3D Vision Pro transceiver.

Attribute '3DVisionProTransceiverAddress':
  - Attribute value is a string.
  - Attribute is not written to the rc file.
  Returns the RF address of the 3D Vision Pro transceiver.

Attribute '3DVisionProGlassesFirmwareVersionA':
  - Attribute value is a string.
  - Attribute is not written to the rc file.
  Returns the firmware version of chip A of the glasses.

Attribute '3DVisionProGlassesFirmwareDateA':
  - Attribute value is a string.
  - Attribute is not written to the rc file.
  Returns the date of the firmware of chip A of the glasses.

Attribute '3DVisionProGlassesAddress':
  - Attribute value is a string.
  - Attribute is not written to the rc file.
  Returns the RF address of the glasses.

Attribute '3DVisionProGlassesName':
  - Attribute value is a string.
  - Attribute is not written to the rc file.
  Controls the name the glasses should use.

Attribute 'GTFModeline':
  - Attribute value is a string.
  - Attribute is not written to the rc file.
  - Attribute not queried in 'query all'.
  Builds a modeline using the GTF formula.

Attribute 'CVTModeline':
  - Attribute value is a string.
  - Attribute is not written to the rc file.
  - Attribute not queried in 'query all'.
  Builds a modeline using the CVT formula.