Validation Entry:
  Header Indicator: 0x01 (Validation Entry)
  PlatformId: 0x00 (80x86)
  ID: ""
  Checksum: 0x55aa
  Key bytes: 0x55aa
Boot Catalog Default Entry:
  Entry is bootable
  Boot Media emulation type: no emulation
  Media load segment: 0x0 (0000:7c00)
  System type: 0 (0x00)
  Load Sectors: 4 (0x0004)
  Load LBA: 176 (0x000000b0)