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mem test lock up, bsod


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I built this computer last week, everything is compatible. atleast via the specs i looked at, my bios are up to date, catalyst is also, i posted this up on a different forum. Geekstogo, and i am having several people tell me it is a setup with ram thats causing the pc to well crash, lock up or bsod with incompatible hardware. Last night i pulled two of the memory sticks out and ran mem test. This ran for 9 hours and did not get further than 55%. With four sticks it ran to 54%. I did not get any notification of failures, so i am lost with what to do. This issue arised when i first tryed to play a graphics intense game, Armed Assualt. I can play for several minutes then when action starts happening, the pc freezes. Prior to it just freezign i was recieving bsod with hardware failure, i fixed this by changing the ram voltage to the recommended 2.1v. Now i also changed the ram settings to the listed parameters from this site. Im still getting freeze ups during memory usage or games.


PC Specs:


Motherboard: Gigabyte GA-MA790X-DS4 rev 1.0, Bios F3

CPU: Athlon AM2 64 X2 6400+

Ram: Corsair DDR2 Twin 1024 x 4, 4gbs total

Video Card: ATi Diamond Radeon 3850 x 2 cards with crossfire enabled, Catalyst 8.1

Powersupply: BFG 650 Watt ps

OS: Vista Premium edition

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Try 2 sticks instead of 4 or lower the ram speed one notch. If DDR800 drop it to 667 if its 1066 drop it to 800. Its prob the mainboard having issues running al 4 sticks but we need to test.


Note with mem test, unless you complete atleast 1 pass, your not testing anything.

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ok I didnt understand sorry about the confusion.


So one is ok, but two isnt. Have you tested both sticks seperate. If both pass, thats good since we know ram is ok we can try to get them to run now.


Which ram exactly is it, the model etc. I dont know the timings or speed.

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Just ran #2 stick of ram, no problems detected.


Ram Specs: CM2x1024 - 6400C4 ver2.1 800mhz


bios pics of my setup for the ram.



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Maybe the ramguy can tell us the spec....I only found these in xms2 sticks


there was a better list somewhere.


What happens when you turn manual off and run auto timings with 2 sticks? Also does the manual show which two slots are for Dual channel with just two sticks. If it lists a diff. then put them in those slots. 4 dimms is harder to run so we have to get 2 running first.

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  • Corsair Employees
Please make sure that you have the latest BIOS for your motherboard and then load optimized defaults and set the Memory Voltage to 2.1 volts and then set the timings to 4-4-4-12 (CAS-tRCD-tRP-tRAS) and then test the modules one at a time with http://www.memtest.org! Please allow memtest to run 2-3 passes on each module. If you still get errors, we will be happy to replace them! 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.
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thanks for the help, but i got the answer i really wanted to hear from the distributer i purchased the MObo from. Defective dimm port 2. This was # 4 outa 8. So im getting upgraded to an ASus board because of my troubles. Thanks for the help guys.
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sorry for not posting back up soon, new motherboard works Great! along with a different set of Ram! I got 4 sticks of 2048 DDRII PC6400 on the new Asus M3A32-MVP Deluxe MB. I runs everything PERFECT, i love it.


So final computer setup:

Asus M3A32-MVP Deluxe WiFi-AP Motherboard

AMD Athlon AM2 6400+ 3.3ghz

4 x 2048 DDRII PC6400 memory

4 x Ati Diamond 3850 HD Card

BFG 700 Watt PS

Samsung 20" Syncmaster

Boston 2.1 Surround Sound Speakers

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