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Source code of Windows XP (NT5)
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windows-xp/Source/XPSP1/NT/base/boot/detect/i386/hwpci.inc

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  1. ;++
  2. ;
  3. ; Copyright (c) 1989 Microsoft Corporation
  4. ;
  5. ; Module Name:
  6. ;
  7. ; hwpci.inc
  8. ;
  9. ; Abstract:
  10. ;
  11. ; Author:
  12. ;
  13. ; Revision History:
  14. ;
  15. ;--
  17. ;
  18. ; PCI_INTERFACE_INT interrupt is the PCI BIOS entry point
  19. ; PCI_BIOS_PRESENT AX function code for PCI BIOS entry point
  20. ;
  22. PCI_INTERFACE_INT EQU 01AH
  23. PCI_BIOS_PRESENT EQU 0B101h
  26. ; Down level bios checl
  28. PCI10_BIOS_PRESENT EQU 0B001h
  30. ;
  31. ; Structure for PCI System Data - it is passed to the system
  32. ; through the register to inform it what type of PCI support,
  33. ; if any, is present.
  34. ;
  37. PCI_SYSTEM_DATA struc
  39. MajorRevision db 0
  40. MinorRevision db 0
  41. NoBuses db 0
  42. HwMechanism db 0
  44. PCI_SYSTEM_DATA ends