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Asus P6X58D Premium dual-channeling three sticks of 2GB Corsair RAM

Tags:
  • Motherboards
  • Triple Channel
  • RAM
  • Corsair
  • Memory
  • Asus
  • Dual Channel
Last response: in Motherboards
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April 2, 2013 5:27:23 PM

UPDATE: I've circumvented the problem by shuffling around sticks of RAM. None of the slots appear to be dead and none of the sticks were bad but for some reason swapping around two sticks got it to work. I'd like to think that my sticks of RAM just wanted to trade seats, but honestly I've got no explanation. Thanks for all assistance, but this is technically resolved.


So, I've got this weird problem where my motherboard (P6X58D Premium) is currently on dual-channel mode for my memory when I've got three sticks correctly seated, so it should be dual-channeling it. As a result, Windows sees 4GB of RAM when I should have 6 installed.

Here's an image displaying what I mean - http://puu.sh/2sOt0.jpg - and evidence of the third filled slot - http://puu.sh/2sOtH.jpg

Supposedly, the motherboard's supposed to automatically detect and set triple-channel mode, and as such I cannot find any setting in the BIOS to change things. I've even contacted ASUS support, where I was told to try inserting the RAM into the slots designed for a fourth, fifth, and sixth stick of RAM and to reset the CMOS, neither of which were successful. Everything's up to date including the BIOS and chipset, too.

My RAM is Corsair Dominator 3x2GB DDR3 1600MHz, model TR3X6G1600C8D.

I'm completely at a loss, here. I've been having poor performance due to a missing 2GB of RAM for years now and it's been right under my nose. I'm anxious to see if I can fix this somehow.

Quote:
Tested over two passes with memtest and got no errors. All of the sticks and slots are functional, as well. Additionally, I'm using an i7-950. No pins to bend.


My specs, just in case:
Spoiler
Operating System
Microsoft Windows 7 Ultimate 64-bit SP1
CPU
Intel Core i7 950 @ 3.07GHz
Bloomfield 45nm Technology
RAM
6.00 GB Dual-Channel DDR3 @ 801MHz (9-9-9-24)
Motherboard
ASUSTeK Computer INC. P6X58D PREMIUM (LGA1366)
Graphics
ASUS VH236H (1920x1080@60Hz)
Generic PnP Monitor (1024x768@85Hz)
1280MB GeForce GTX 470 (Undefined)
Hard Drives
932GB Western Digital WDC WD1001FALS-00J7B1 ATA Device (SATA)
Optical Drives
DTSOFT Virtual CdRom Device
SAMSUNG DVDWBD SH-B083L ATA Device
Audio
Plantronics GameCom

More about : asus p6x58d premium dual channeling sticks 2gb corsair ram

a c 136 V Motherboard
a b } Memory
a b Ĉ ASUS
April 2, 2013 5:38:36 PM

Try testing the stick one at a time one maybe bad.
http://www.memtest.org/
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Best solution

a b V Motherboard
a b } Memory
April 2, 2013 5:44:17 PM

I can think of a few possibilties - a dead stick of ram, a dead ram slot, bent pins under your cpu.

To test the ram, pull all the ram and insert it back into the board a stick at a time and boot the computer.
If all your sticks work try one of the sticks in each slot and boot the computer, this only identifies a dead slot, it does not mean there isn't a problem with the cpu pins (been there, done that bought the t-shirt).
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April 2, 2013 7:10:22 PM

Tested over two passes with memtest and got no errors. All of the sticks and slots are functional, as well. Additionally, I'm using an i7-950. No pins to bend.
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a b V Motherboard
a b } Memory
April 3, 2013 7:09:10 AM

If only... :/ 

For lga type motherboards it's the socket that has the pins and they're easier to bend, and harder to straighten out, than any of it's predecessors.
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