mbuc310 Posted April 28, 2005 Share Posted April 28, 2005 I am running BIOS 310 on my Ultra D with 2X512 modules of Corsair XMS 3200 RAM. 3500+ Winnie, 550 watt PSU with 28amps on the 12 volt rail. Anytime I OC to anything above standard 200 "FSB", I will BSOD or Super Pi will fail, or memtest/docmem will error. I have tried up to 3 volts for the DRAM, and keep the box cool. I see on the DFI forums, many people who get 250 MHz and above! I can't get 205. Any idea why? Matt Link to comment Share on other sites More sharing options...
ddrakemon Posted April 29, 2005 Share Posted April 29, 2005 I am running BIOS 310 on my Ultra D with 2X512 modules of Corsair XMS 3200 RAM. 3500+ Winnie, 550 watt PSU with 28amps on the 12 volt rail. Anytime I OC to anything above standard 200 "FSB", I will BSOD or Super Pi will fail, or memtest/docmem will error. I have tried up to 3 volts for the DRAM, and keep the box cool. I see on the DFI forums, many people who get 250 MHz and above! I can't get 205. Any idea why? Matt Matt, Have you tried any of the other bioses available? I have found that the 331 series and the 414 series seem to work much better for me then the 310 or 310p. I am currrently using the 414-3 beta bios with my Ultra-D, 3200+winnie, TwinX1024-4400C25, & XXX modstream 520 psu. Max OC settings are 8x300mhz = 2.4Ghz, with 2.5-3-3-8 timings, cpu volts are 1.2 + 133% and mem volts are 2.7 with the +0.03 enabled. This setup is mostly stable with no memtest errors after 10 complete loops and primestable up to 8hrs before errors. I have stepped down slightly to 8x288=2.3Ghz from the max oc. The system is now primestable for 16+hrs (I got tired of waiting :laughing: ) Link to comment Share on other sites More sharing options...
SpDFrek Posted April 29, 2005 Share Posted April 29, 2005 mbuc310- What is the exact part # of the memory modules that you have? 3200XL, C2, or just 3200? What latencies are you trying to run? By SPD or setting them manually? Link to comment Share on other sites More sharing options...
mbuc310 Posted April 29, 2005 Author Share Posted April 29, 2005 Memory is CMX512-3200C2PT Other numbers are xms3202v5.1 and it is CL2. Timings are 2,3,8,3 T1 enabled. I have tried 2.5 too. Will look at the other BIOS's at the bios factory. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted April 29, 2005 Corsair Employees Share Posted April 29, 2005 That may be some other issue, can you test the modules in another system? And if you are trying to over clock them beyond their rated speeds I would set the timings to By SPD at 2.8 Volts. Link to comment Share on other sites More sharing options...
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