Int 1A/AX=B18Dh

lup.gif ldown.gif Interrups Categories Contents

rbline.gif

PCI BIOS v2.0c+ - WRITE CONFIGURATION DWORD (32-bit)

AX = B18Dh
BH = bus number
BL = device/function number (bits 7-3 device, bits 2-0 function)
DI = register number (multiple of 4 less than 0100h)
ECX = dword to write

Return:
As for AX=B10Dh

Note: The meanings of BL and BH on return were exchanged between the initial drafts of the specification and final implementation

See Also: AX=B10Dh - AX=B18Bh - AX=B18Ch

Category: Expansion Bus Bios - Int 1Ah - P

rbline.gif

lup.gif ldown.gif Interrups Categories Contents