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E6600 unstable at STOCK speed :(

Last response: in Overclocking
January 7, 2007 1:21:57 AM

I put this PC together and it can run SuperPi just fine, but attempting to run a SECOND instance of SuperPi causes an error ("NOT CONVERGENT IN SQR05"). Any ideas? I haven't even tried to overclock yet. Upgrading to BIOS 0804 didn't seem to help.

Core2Duo E6600
ASUS P5B Deluxe
2 x 1 GB OCZ DDR2-800 (PC6400) 4-4-4-12
Antec 900 case
Antec Phantom 500 power supply
2 x Seagate 400 GB SATA/2 HD's
Samsung DVD combo drive
Floppy disk

Edit: I'm also using Thermaltake Big Typhoon. My temps around 30-32 typically.
January 7, 2007 4:37:04 AM

Sound like Vdimm .. Try to increase vdimm by one notch ...
January 7, 2007 2:06:14 PM

yes, memory timings might be not well set up or Vdimm may not be enogh for them
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January 7, 2007 3:40:53 PM

Every instance of SuperPI has to run inside a separate folder because it saves temporal data to disk.
January 8, 2007 4:40:16 PM

>Every instance of SuperPI has to run inside a separate folder

LOL I'm a real n00b :oops: 

Yes, running two SuperPI's from the same place was the problem. It seems to cause "NOT CONVERGENT IN SQR05" on every PC.

Thanks a lot!