[LinuxBIOS] Bios Question
art.fore at comcast.net
Wed Oct 12 19:41:03 CEST 2005
The PCI interrupt line was monitored with a scope. Driver was the same
in both cases.
Richard Smith wrote:
> On 10/11/05, Art Fore <art.fore at comcast.net> wrote:
>>We have two machines with AMD 64 processors, one with Asus motherboard &
>>Via chipset. Another with Asus motherboard with Nvidia chipset. On the
>>one with the Via chipset using WinXP, when an external interrupt is
>>received from a stargen chip, it takes 8 microseconds for the response
>>to the interrupt. On the Nvida chipset, it takes 40 microseconds. Both
>>machines are running the same program (In house developed driver).
> What are you looking at to determine this? It may be a driver issue
> and not a hardware issue. Are you flipping a bit somewhere when the
> interrupt is acknowlegded in the driver or when your app responds?
> Richard A. Smith
More information about the coreboot