urbanslayer Posted June 23, 2005 Share Posted June 23, 2005 Hi, I have recently gotten a A8N-SLI board with 1GB (2x 512MB Sticks) Corsair 3200DDR TwinX. Im having a problem in that it wont boot. When I turn the machine on, it beeps reporting that there is no RAM. To explain why I think it is the RAM - I have 3 machines, a P4P800 based machine, a A8N-SLI machine and a friends machine with the same motherboard and BIOS revision. All machines also have the same RAM. The RAM in the P4P800 is revision 1.2 of the Corsair ram, the memory in MY A8N-SLI is rev 1.5 and in my friends, it is 4.3. The RAM from my P4P800 works fine in it, but will not boot either of the A8N-SLI machines. The RAM from my A8N-SLI will not boot either of the Athlon64 machines, but will boot my P4P800 machine. The RAM from my friends Athlon64 will boot any of them. I have contacted the supplier, but since it is a "compatibility issue" they dont want to know. At the moment I just dont know what to do with it. Can you please help? Link to comment Share on other sites More sharing options...
ferry_g Posted June 23, 2005 Share Posted June 23, 2005 What is the cpu core? Did you already flash the bios 1012? Link to comment Share on other sites More sharing options...
urbanslayer Posted June 23, 2005 Author Share Posted June 23, 2005 It isnt the Deluxe Motherboard, and the latest stable BIOS I could find on the ASUS site was for 1008. The CPU is an Athlon64 3200 "Venice" version. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted June 23, 2005 Corsair Employees Share Posted June 23, 2005 The latest bios for the Non Premium and Non Delux MB is Version 1.009 Beta 3 Link to comment Share on other sites More sharing options...
urbanslayer Posted June 23, 2005 Author Share Posted June 23, 2005 Hi, I've tried that BIOS and it also doesnt work. Anything else I can try? Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted June 23, 2005 Corsair Employees Share Posted June 23, 2005 I would test the modules one at a time and or on another system to be sure, but it would be really hard to get 2 failing modules from us. Link to comment Share on other sites More sharing options...
urbanslayer Posted June 23, 2005 Author Share Posted June 23, 2005 Already tried them in my P4P800, they work fine, yet dont boot the other A8N-SLI board I tried them in. That says to me a compatibility issue between the revision numbers, as the much later ones worked fine in all machines yet the 1.x ones, wouldnt work in any A8N-SLI board. Will I be able to return these ones I have for a later revision? Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted June 23, 2005 Corsair Employees Share Posted June 23, 2005 I dont understand something, you stated that you had a Twinx set of modules and if you do they should be a matched set of modules and this would not be an issue. Can you tell me our modules part# and revision of each module (How To Read the Memory Label) that you are using in this system? Link to comment Share on other sites More sharing options...
urbanslayer Posted June 23, 2005 Author Share Posted June 23, 2005 Both modules, that im having the problem with, are - CMX512-3200C2PT Version 1.5 Lot - 0512148-0 Maybe I havent made myself clear, I am using TwinX modules in all the machines, so they are all matched with each other, and i am not splitting them. The modules that are fine in my P4P800 machine (but dont boot anything else) are CMX512-3200C2PT Version 1.2. The ones from the newer machine are CMX512-3200C2PT Version 4.3. The TwinX modules with version 4.3 work fine in all machines, but the 2 modules that are 1.2 and the 2 modules that are 1.5 will not boot the machines with a A8N-SLI motherboard. Obviously im using both 1.5 modules together etc. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted June 23, 2005 Corsair Employees Share Posted June 23, 2005 Then please set the dim voltage to 2.7 Volts and test the modules one at a time with http://www.memtest.org. Link to comment Share on other sites More sharing options...
urbanslayer Posted June 24, 2005 Author Share Posted June 24, 2005 Thanks! Altering the voltage setting is now allowing the machine to post with the ram in it. I have run memtest on it just to be on the safe side, and it didnt throw up any errors and the machine has been running stable for a good few hours. Thanks again. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted June 24, 2005 Corsair Employees Share Posted June 24, 2005 No problem, please let me know if you have any problems. Link to comment Share on other sites More sharing options...
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