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P6X58D-E + 24GB ram

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May 23, 2011 7:37:39 PM

I have 3 identical machines built for handling massive REVIT CAD files, with the Asus P6X58D-E, Intel I7 990X processors, 24GB ram (Crucial Ballistix BL51264BA160A) with Quadro 4000 graphics cards. I'm having a ram issue. All the computers have 6 slots of ram installed, and CPU-Z shows all the slots populated and the correct size (although it says 2 are dual channel and one is tri channel). In both the bios AND Windows 7 one machine is seeing 8gb dual channel, one sees 16gb dual channel, the third sees 24gb triple channel. If I only install 3 sticks in the A1, B1, and C1 slots, all of them will show 12gb tri-channel. BIOS is the latest, v0502.

If I take the 24gb "set" from one machine to another, it will show up as the full 24gb. :heink: 

More about : p6x58d 24gb ram

December 22, 2011 3:36:53 AM

1badaction said:
I have 3 identical machines built for handling massive REVIT CAD files, with the Asus P6X58D-E, Intel I7 990X processors, 24GB ram (Crucial Ballistix BL51264BA160A) with Quadro 4000 graphics cards. I'm having a ram issue. All the computers have 6 slots of ram installed, and CPU-Z shows all the slots populated and the correct size (although it says 2 are dual channel and one is tri channel). In both the bios AND Windows 7 one machine is seeing 8gb dual channel, one sees 16gb dual channel, the third sees 24gb triple channel. If I only install 3 sticks in the A1, B1, and C1 slots, all of them will show 12gb tri-channel. BIOS is the latest, v0502.

If I take the 24gb "set" from one machine to another, it will show up as the full 24gb. :heink: 


Hi, I have a very similar problem. Could you please post your BIOS config or send it to me by e-mail please?
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December 22, 2011 11:30:24 AM

riraku said:
Hi, I have a very similar problem. Could you please post your BIOS config or send it to me by e-mail please?


The problem was a bent pin on the CPU socket of the motherboard, new MOBO and the problem is solved. The out of the box bios settings are ok, but like anything they can be tweaked slightly for better performance.
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