ricoschette Posted December 6, 2005 Share Posted December 6, 2005 I recently bought 2x512MB Corsair XMS-PC3200C2 (UTT BH-5) rev 1.5 memory modules. And the strange thing is that when I first time set all mem/cpu settings in bios on auto then computer starts with 2,5-3-3-8 settings... So, there's a question, why. It should be smth different, no? These modules work right now in dual @200 MHz @2T @2-2-2-5 @2,8V and it's fine. And I guess @2-3-3-6@2T as well. But not at 1T. 1. So, I don't understand this. Is it impossible to run these modules @1T @200 MHz in dual at all? 2. Then, another question. If I want to run these memories @225 MHz (divider 166/200) or smth like that (so far my cpu ran 24/7 @2430 MHz) what timings should I use. I tried 2,5-4-4-8@2T@220 MHz and system crashed. Dual issues? Btw, can't give more than 2,8V to these modules. Damn, I just want my system to be stable :sigh!: Link to comment Share on other sites More sharing options...
Wired Posted December 7, 2005 Share Posted December 7, 2005 Get the system stable FIRST, then OC :) Set EVERYTHING back to defaults, then set the memory like so: Timings for 2 sticks: CAS Latency (tCL): 2 RAS to CAS Delay (tRCD): 3 Row Precharge (tRP): 3 Active to Precharge Delay (tRAS): 6 Command Rate: 1T Memory Voltage: 2.75 Volts All other settings to defaults. Link to comment Share on other sites More sharing options...
ricoschette Posted December 7, 2005 Author Share Posted December 7, 2005 well actually my system was rock stable before (I used some crappy AM1 PC3200 mem sticks)... Anyway, I tested these sticks for a 10 hours with Prime95 and @2-3-3-6@2T@200 MHz@2,65V they are rock stable. Now, I set to 1T and blue screen...:mad: Not good. Interesting how high I can OC @2-3-3-6@2T these sticks in dual? 210 MHz would be nice. 220 MHz would be super, because then I can set my CPU @2430 MHz... Link to comment Share on other sites More sharing options...
Wired Posted December 7, 2005 Share Posted December 7, 2005 Up the DDR voltage, (Max is 2.90) Link to comment Share on other sites More sharing options...
ricoschette Posted December 8, 2005 Author Share Posted December 8, 2005 I can't give more than 2,8V 2T is 24/7 stable even @2-2-2-5@200 MHz What I think is that it really depends on PSU and mobo. And as is known fact that 6600GT needs a good power supply,(but I haven't) everything else suffers... Yesterday I also tried nforce 5.11 drivers, but of course that's irrelevant... Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted December 10, 2005 Corsair Employees Share Posted December 10, 2005 More than likely its just the CPU and maybe this will be resolved with a newer bios. I would give it some time to mature the bios that is. Link to comment Share on other sites More sharing options...
ricoschette Posted December 11, 2005 Author Share Posted December 11, 2005 Interestingly though a single stick runs at 2-2-2-5 1T @200 MHz @default voltage no problems. I will try tomorrow how far it will go and then will test on friends rig (he's got better mobo and PSU and CPU and GFX :D: ). Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted December 13, 2005 Corsair Employees Share Posted December 13, 2005 That would suggest the problem may be with the MB bios or with the CPU. I would be willing to bet money on the bios! Link to comment Share on other sites More sharing options...
ricoschette Posted December 13, 2005 Author Share Posted December 13, 2005 I guess it is. Unfortunately I haven't found a newer bios (01/04/05 currently). Well, I will test these memory sticks on my friends system. He told me he have tested Corsair before and had those sticks 255 MHz @1T running. Of course those were different sticks and revs. Damn, anyway. This nf3 mobo is crap after all. Will upgrade next year to PCIx system. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted December 13, 2005 Corsair Employees Share Posted December 13, 2005 Please let us know! Link to comment Share on other sites More sharing options...
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