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Asus P5N E-SLI & QUAD2X4096-6400C5DHX


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Hi everyone.

I've got some issues with 4 modules of RAM. Firstly, even though my OS is Windows Vista Ultimate 64-bit, it doesn't recognize 4GB but only 3,2Gb.

But now the OS doesn't even want to start at all. I can see BIOS starting page, but when it goes to start OS it's got frozen. Any ideas what to do? Thanks.


Asus P5N E-SLI

Intel Core 2 Duo E6850

Chieftec 650 W

Corsair QUAD2X4096-6400C5DHX 4x1Gb kit

Asus 8800 GTS 640MB

Windows Vista Ultimate 64-bit

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Please make sure that you have the latest Bios version and then load setup/optimized defaults and set the Dim Voltage to 2.0 volts (+.2 Volts W/Giga-Byte) and then set the timings manually to the tested settings for the specific module you have, or if you have Value Select "BY SPD" and then test the module/'s one at a time with http://www.memtest.org! If you still get errors, please follow the link in my signature “I think I have a bad part!” and we will be happy to replace them or it! However, if you get errors with both modules that would suggest some other problem and I would test them in another system or MB to be sure. In addition, with some MB's (Mostly ASUS) you have to disable legacy USB in the bios when running any memory test.

SLi ready: Disabled

Memory Voltage: 2.0v

NForce SPP Voltage: 1.5v

CPU FSB Voltage 1.4

TCL: 5


TRP: 5

TRAS: 15

Command Per Clock: 2

TRC: 24

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I've chaged MB into the same but with Wi-Fi, BIOS is updated to the latest version, voltage is being set. The OS is starting now quite slow, working about 20 minutes, after that just stuck. To make it 'alive' I'm just taking out one module and it works perfectly (no need to restart or smth). So system is working perfectly with 3Gb, but when it's proper 4Gb it works like Celeron based system. :confused:I've tested modules on other MB (Gigabyte) with memtest - no errors.
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