www.delorie.com/djgpp/doc/rbinter/24.html   search  
1AB18C

Category: expansion bus BIOSes

INT 1A - PCI BIOS v2.0c+ - WRITE CONFIGURATION WORD (32-bit)

	AX = B18Ch
	BH = bus number
	BL = device/function number (bits 7-3 device, bits 2-0 function)
	DI = register number (multiple of 2 less than 0100h)
	CX = word to write
Return: as for AX=B10Ch
Note:	the meanings of BL and BH on return were exchanged between the initial
	  drafts of the specification and final implementation
SeeAlso: AX=B10Ch,AX=B18Bh,AX=B18Dh

  webmaster   donations   bookstore     delorie software   privacy  
  Copyright 2000   by Ralf Brown     Updated Jul 2000