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Mountain lion GM on the x58 P6T-SE

5 posts in this topic

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Hello there, I'll start off by telling you guys my system configuration, and what I hope for.


Hee's my system specs:

Intel core i7 920 processor

Asus P6T-SE motherboard

nVidia Geforce GTX graphics (1)

nVidia Geforce 900GTX graphics (2)

Thermaltake 775W modular PSU

Hitachi 750GB Sata 2 HDD

Kingston 12GB (3x4gb) HyperX memory


First, I will say the reason of me having two diffrent graphics cards in the same system is because in Windows, I was able to use the total of 4 DVI ports so i could use 4 monitors with my system. I'm not 100% sure, but I think the 7900GTX was just acting as a 'hub' for extra ports, because I was certainly getting the GTX285's performance in stead of the 7900GTX's performance, which is ideal.

Ultimatley, I'd want this same config on Mountain Lion however, we shall take it step-by-step.


I followed the 12th post on this topic, as my base: http://www.insanelym...howtopic=277015


First booting the USB disk, the installer did not run, and me having two cards in my PC, I pretty much expected that. I took the 7900 out, and ran the installer, only having the same problem. I eventually only used the 7900 as the card in my PC to install ML, and I managed to get it installed. I used the DSDT.aml found for some of the Lion install guides, and some ACHI fixer for 10.7.4 as well as some random P6T-SE kext i could find.


When it came to booting the installed OS off the internal HDD, using the USB drive as the bootloader, I got the result in the image attached.


Could someone please help me out? Im sure theres many others who would also like some information on the P6T range of boards.


Thank you for your time.


Here's a link to the image:


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I've got exactly the same problem!

Also tried an older AppleACPI.Kext but it gives exactly the same problem.

Boots fine with -x though....


Who knows a solution?

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Used that method too, still the exact same problem, drives me nuts.... ;-)

I already own an Asus P7P55D which works flawlessly...

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you need fakesmc, nullcpupowermanagement and appleacpiplatform version 1.3.5 from snow leo

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