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Memory not working properly?


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Hello all,


I dont know if this is posted in the right area so move to correct forum if not, thanks!


I have a ASUS A8N-E running a Athlon 64 3800 Proc and a Radeon x800xl Grphx card with 2 Corsair 1 GByte TwinX match memory modules. They are CMX512-3200XLPT 400Mhz Platinum series. They came as a package with the motherboard and CPU and the memory. All ment to be compatible with each other. I built the PC myself and powered it up. No problems, windows XP booted up right away from my old system, i have not reformated yet. The memory is all accounted for in system info.. But it seems to be unstable. I get corrupted images on websites, and when i download of the internet sometimes the files are corrupted. pictures dont seem to display propely, they look half complete and corrupt. And i play alot of world of warcraft and the game crashes lots when there is alot of stuff going on with a mem error can't read RAM msg.


I have tried my old memory in the new system and this corrupts/crashes allso, so it looks like to me that the corsairs memory is fine. Im just after some advice on what you guys think it 'could' be and if you can recommend or suggest anything in the BIOS etc, i could try, to get this computer working correctly?


P.S could the power supply do this as im running a 350W at the moment, and i think its underpowerd. I havnot had any crashes outside of the game and the computer seems to run fine apart from corrupt data and images.


Please help, thanks in advance



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Welcome to the forums, djack!


Yes, your PSU could be culprit due to a lack of power. It also makes a little sense since your computer will use roughly twice the amount of power during a game like WoW as opposed to surfing the internet...


...that same idea also means everything in the system is working harder, so if it was a faulty piece of hardware, the fault would be more likely to surface when under duress.


First off, double-check your memory settings: XMS Qualification and Testing


Testing parameters for XMS3200XL:


CMX512-3200XL Data Sheet


DRAM Clock: 200 MHz


SDRAM CAS Latency: 2T

SDRAM RAS to CAS Delay (tRCD): 2T

SDRAM Row Precharge (tRP): 2T

SDRAM Active to Precharge Delay (tRAS): 5T

SDRAM Bank Interleave: 4 Bank

All other settings are motherboard defaults.


I would also set your DDR Voltage to 2.8 or 2.85 volts (yes, I know what it says above), then test the system with Memtest86+. If you don't get any errors with that program, it's probably not the CPU or the memory and I'd definately try a different PSU.




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Thank you very much for the replys.


I have set all my bios settings as you have suggested in your above post to no effect. The crashes still occure and so does the corrupted internet images and downloads. As stated above i think my psu is rather underpowerd for my system, so before running a mem test or anything like that i am going to upgrade my psu tomorrow.


I will post back when this is installed and report on my progress. thanks again for the replys.

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  • 4 weeks later...

This has nothing to do with your RAM, it's the nforce4 chips fault. Just go to your firewall menu and disable ActiveArmor and everything that has 'offloadable' in it and you should be fine. Nforce Driver 6.66 from nvidia.com works fine.



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