Hi David, Sorry for the late answer, busy busy busy... On Sat, 17 Jan 2009 21:45:48 +1000, David O'Shea wrote: > > Yes, that makes sense. Maybe there's an option in the BIOS to forcibly > > enable the on-board video controller to stay visible. But most likely > > it is hidden automatically and you can't work around it. Just check in > > the BIOS if you can find any option controlling this behavior. > > I couldn't find any relevant option in the BIOS (otherwise there was > one there showing the onboard VGA enabled!) but the Hardware Reference > Guide states "The monitor connector on the system board is inactive if > an AGP expansion card is installed in the computer." OK, that's pretty clear. > > You are correct, we used this device as a mean to detect these > > machines, but another device could do as well. What matters is to find > > a device with subvendor and subdevice values properly defined. Both the > > IDE and the USB controllers meet this condition as far as I can see. I > > think I'd use IDE. If you write a patch that does this and it fixes the > > problem on your system, I'll be happy to review it and push it upstream.. > > It didn't work for me when I tried the IDE but did with the USB. I think > the USB is safe to use as I went into the BIOS and "disabled" the three USB > IRQ options but my fix still worked and 'lspci' still showed the USB > controllers. > > To use the USB I need to add a #define, I assume the below would be the > correct name for the value since there are corresponding _1 and _3 > #defines: > > #define PCI_DEVICE_ID_INTEL_82801DB_2 0x24c2 Yes, that would be it. > The fact that it didn't work with the IDE could just be because I'm so > clueless! Does the fact that the IDE controller has a function number > other than 0 affect the way the DECLARE_PCI_FIXUP_HEADER() macro is used > or what is passed to the hook function? Even if not, if you think using > the IDE is preferable I can have another try in case it didn't work due > to a stupid mistake. Yes, I would like you to try again with the IDE device, because there's only one IDE device and 3 USB devices so using the IDE device should be more efficient (quirk runs only once.) No, the function number shouldn't play any role. I can't see any reason why IDE wouldn't work. -- Jean Delvare
