memtest is ok. P95 fails

**Postal Dude** · August 20th, 2005, 01:10 PM

I set my new set of Crucial value, the ones that use BGA ic's to 2.5-3-3-5 at 209Mhz. Ran memtestx86 for a good couple of hrs running thru all the tests. never came up with any errors. P95 running the combined torture test failed after 10 mins. Whats the deal with this. Had my CPU runnin at 2.5 for ages on old ram without an issue. Only gettin probs now. Anyone have any ideas?

**rabidaardvark** · August 20th, 2005, 01:14 PM

Power supply could be going. Set the divider so that the ram is underclocked and try again. If it still fails you can rule out ram, if not you can rule out the chip.

**beastgreeley** · August 20th, 2005, 01:16 PM

Did you up the voltage to the ram, maybe 2.8v, or can you?

**Postal Dude** · August 20th, 2005, 01:32 PM

Had the ram at 240Mhz on looser timings and it was free of errors too. never ran p95 blend tho. Mem is at 2.7 or 2.8v not sure

**vikeor** · August 20th, 2005, 01:36 PM

rule number one in OCing...

EVERY SETUP IS DIFFERENT

just cuz 2.5 ran fine in ur old system doesnt mean it will run the same with better ram...

**beastgreeley** · August 20th, 2005, 01:52 PM

Originally Posted by vikeor

rule number one in OCing...

EVERY SETUP IS DIFFERENT

just cuz 2.5 ran fine in ur old system doesnt mean it will run the same with better ram...

Absolutly right. chipsets can be so finicky.

**Postal Dude** · August 20th, 2005, 08:35 PM

Thats bloody crap! I buy better ram for more stability and some looser timings (1T is nice too) and it could be unstable. I loosened up the timings and have ran P95 blend for 5 or 6 hrs. No problems

**beastgreeley** · August 20th, 2005, 08:39 PM

Well maybe your outta the woods now.

**RamonGTP** · August 20th, 2005, 09:19 PM

Prime95 is a lot more stressing on the CPU and RAM than memtest is. I've had bad ram sticks make several passes in memtest without generating an error. Those same sticks would generate an error within the first few minutes of running prime. Not saying you have a bad stick, but if P95 is failing, then either your CPU or MEM os being taxed too high. Prime95 also gives you several different methods of testing which allow you to narrow down the problem to either the RAM or the CPU.