dlwilladsen Posted March 22, 2005 Share Posted March 22, 2005 My Intel 865PERL was running fine with twin Corsair 512's (model? ... they're silver ... ?) for months, using the board's P19 BIOS, and memory set at 2-3-3-5. I flashed the Intel P21 BIOS, redid my BIOS settings to 2-3-3-5, and now system hangs approx every 10 mins. I've tried 2-2-2-6, 2.5-3-3-7, and 3-3-3-8, all without success. I'm trying to flash back to P19, but can't find out how, as yet. Any suggestions on memory timings to try? Link to comment Share on other sites More sharing options...
Wired Posted March 22, 2005 Share Posted March 22, 2005 What CPU / FSB do you have? What is the exact part # and revision # of your memory? How To Read the Memory Label Link to comment Share on other sites More sharing options...
dlwilladsen Posted March 22, 2005 Author Share Posted March 22, 2005 CPU is Intel P4 2.8GHz (800MHz fsb?), mem is CMX512-3200LLPT, ver 1.1. Also, might be my imagination, but ... hang always seems to happen on mouse movement after inactivity. Link to comment Share on other sites More sharing options...
Wired Posted March 22, 2005 Share Posted March 22, 2005 Hrm, it could have a 533 or 800 Mhz FSB. If it's a 533 Mhz FSB, running the memory @ 200 Mhz could be causing the problem. May want to try setting it to 166 Mhz. Settings for the 3200LL: CAS Latency: 2 RAS to CAS Delay (tRCD): 3 Row Precharge (tRP): 2 Active to Precharge Delay (tRAS): 6 memory voltage: 2.7x or 2.8 volts Link to comment Share on other sites More sharing options...
dlwilladsen Posted March 22, 2005 Author Share Posted March 22, 2005 FWIW, Intel Active Monitor software ('System Info') says CPU bus speed is 800 MHz. BTW, I have not yet found a way in 865PERL MB BIOS to set mem voltage ... ? Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted March 22, 2005 Corsair Employee Share Posted March 22, 2005 You might try and set the timings to Cass 2.5-3-3-6 and see if the system is more stable. Link to comment Share on other sites More sharing options...
dlwilladsen Posted March 26, 2005 Author Share Posted March 26, 2005 Thanks! My current settings finally seem fairly stable, and I hesitate to change them. They are 2.5-3-3-7. I suppose I could change 7 to 6, per your suggestions, but am really enjoying having no freeze-ups for a while. Just wanted to let you know. (I don't know why these settings seem to work now. I'm pretty sure I tried them before (per an earlier post) without much success.) Link to comment Share on other sites More sharing options...
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