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 https://www.insanelymac.com/forum/topic/282465-major-issues-with-intel-dg45id/ 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 https://www.insanelymac.com/forum/topic/282465-major-issues-with-intel-dg45id/#findComment-1850556 Share on other sites More sharing options...
eep357 Posted September 8, 2012 Share Posted September 8, 2012 PciRoot=1 ? Link to comment https://www.insanelymac.com/forum/topic/282465-major-issues-with-intel-dg45id/#findComment-1851185 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 https://www.insanelymac.com/forum/topic/282465-major-issues-with-intel-dg45id/#findComment-1985247 Share on other sites More sharing options...
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