[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Multifunction Add-In Cards and PCI BIOS Enumeration
Steve Blightman wrote:
> I've seen this behavior before - if the BIOS sees the multi-function bit for the
> first device, ii checks all of the other 7 possible devices. If the hardware
> responds with anything other than Master Abort, the BIOS assumes these devices
> exist.
It's probably enough to return FF's, maybe even just in the Vendor and
Device ID registers. I believe that's all the PCI spec requires, although
I'm going from memory.
--
_______
Paul C. Miranda (paul.miranda@amd.com) \ ___ |
"Failure is not an option!" - Gene Kranz /| | |
(Flight Director: Gemini, Apollo missions) | |___| |
#include <std.disclaimer> FNORD |____/ \|