apanloco Posted May 22, 2006 Share Posted May 22, 2006 I have a TWINX2048-4000PT kit and am trying to run them in on my A8N-E motherboard in their specified 250mhz. The system is however very unstable and bluescreens on me. This is what I have done: 1. Raised bus-speed to 250mhz 2. Set timings to 3-4-4-8 (the other mem-timings available in BIOS is unknown to me, but changing them upwards don't affect stability) 3. Raised DDR voltage to 2.75 4. Changed HTT multiplier to 4 5. Lowered CPU multiplier to 9 (from 11) to be on the safe side. But Prime95 bails out after one second if I don't get bluescreen before that. Please tell me what I can do! I have upgraded BIOS to latest but that one is so buggy doesn't even save the settings while inside BIOS (go out of menu, in and change something else, and back in, and it has changed back everything to AUTO). EDIT: I have an Athlon X2 4400+. Perhaps it helps. Thanks :-] /D Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted May 22, 2006 Corsair Employees Share Posted May 22, 2006 Please test the modules one at a time and lets make sure one is not failing. Link to comment Share on other sites More sharing options...
apanloco Posted May 24, 2006 Author Share Posted May 24, 2006 I was not eager to remove the CPU heatsink+fan and GFX card from the motherboard in order to remove the memory sticks, as its very cumbersome. Isn't there another way to see whats wrong? If not, I'll have to do it :) /D Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted May 24, 2006 Corsair Employees Share Posted May 24, 2006 Test the system not over clocked at DDR400 at Cas 3-3-3-8 at 2.75 Volts with http://www.memtest.org. If the test pass then more than likely the MB or configuration you have will just not over clock that much! Link to comment Share on other sites More sharing options...
apanloco Posted May 26, 2006 Author Share Posted May 26, 2006 Hello! With everything at auto I ran a few passes of memtest. No problem at all. The question is just --- is it the motherboard that cant handle FSB above 225 (forgot to say that 225 is the maximum I can get the memory up to, with a low cpu multipl. and lowered htt multipl.), or is it the memory that is faulty and cannot handle their specified 250mhz? Is there an easy way to find out, without removing the memorysticks? /D Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted May 26, 2006 Corsair Employees Share Posted May 26, 2006 The only way to know would be to test the modules one at a time! But more than likely its the system and or CPU that’s holding you back. Link to comment Share on other sites More sharing options...
7iron Posted June 2, 2006 Share Posted June 2, 2006 Additional info; the Asus a8N-e is a notorious NON-overclocking board. I cant even get it to run above 11 x 210MHz without BSOD'ing. Stable, yes, but no OC... Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted June 2, 2006 Corsair Employees Share Posted June 2, 2006 What are the exact settings where it is stable and where does it fail? And if you have a 380 Watt PSU still like what’s in your profile, I would suggest at least a 500 Watt with that configuration if you want to over clock. Link to comment Share on other sites More sharing options...
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