windin Posted September 1, 2012 Share Posted September 1, 2012 HI there I hope one of you can help me because after 3 days of working on this I am now out of options, tried forum search but nothing I have an Intel DG45ID with 4GB of RAM and Core2Duo 2.66MHz CPU I have been trying to get Mountain Lion or indeed Lion on this with limited success, I can get a booting Lion install if I use the inbuilt GMA graphics however as soon as I plug in a PCIe Graphics card it instantly stops booting and hangs on [PCI configuration begin]. The inbult graphics are unsupported GMA x4500hd I have tried playing with just about every boot option, I have tried installing with iatkos l2, ###### and myHack I created a custom DSDT by booting into windows and patched it figuring it had to be something to do with the BIOS but no joy npci=0x2000 and npci=0x3000 dont work rolled back IOPCIFamily.kext and AppleACPIPlatfrom.kext from 10.6.7 again with no joy have tried with three sperate graphics cards 1 ATI and 2 nvidia same result any ideas? Am I missing something simple? 1 Link to comment Share on other sites More sharing options...
bigpoppa206 Posted September 5, 2012 Share Posted September 5, 2012 What are you using for a graphics card? The 8400? Seems to me with a working good DSDT file, you should be ok. I scanned the forums and there are plenty of builds with that motherboard that worked on Snow Leopard or Lion, so I suggest you check out those threads first and see what they did to fix their problems. Link to comment Share on other sites More sharing options...
eep357 Posted September 8, 2012 Share Posted September 8, 2012 PciRoot=1 ? Link to comment Share on other sites More sharing options...
Kriten74 Posted January 15, 2014 Share Posted January 15, 2014 I know that this topic is two years old, but I figured I would add what I did; just in case someone stumbles on this like I did. I used " -v PCIRootUID=1 npci=0x2000 " boot flags in that order (without the quotes) Otherwise it wouldn't boot at all. Link to comment Share on other sites More sharing options...
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