sheppyb Posted December 5, 2004 Share Posted December 5, 2004 A7N8X Deluxe, AMD Athlon XP2400+ w/TWINX512-3200C2 & a CMX512-3200C2 >> Stability Hello, I recently purchased the CMX512-3200C2 for my computer to increase the total RAM to 1024 MB. I thought I was doing the right thing by purchasing a module with the same speed, CAS Latency, etc so as to minimize stability issues. With the following setup, I have experienced crashes to desktops or complete restarts on a routine basis (30 seconds to 1 hour+). After earching the internet for help, I came across this Corsair Forum and started reading pages after pages of people with similar problems, on similar computer set-ups. A7N8X Deluxe PCB 1.04 BIOS 1008 (latest version) AMD Athlon XP2400+ (not OC'ed and all BIOS settings at default) and FSB @ 266 TWINX512-3200C2 (XMS3202V1.1) in slots 1 & 2 CMX512-3200C2 (XMS3202V4.2) in slot 3 Asus GeF4 Ti 4600 128MB Western Digital "Special Edition" 80 GB 8 MB Buffer 7200 RPM Windows XP w/SP2 I have used Memtest86 and haven't encountered any problems that I know of. Initially, the Twin modules were in slots 1 and 3 and the CMX512-3200C2 was in slot 2. Using this set-up, the instability was even greater. After reading through some of the forum, it was recommended on multiple occasions for people that were using this MB with 3 RAM modules that TWINs be placed in slots 1 and 2 and the other in slot 3. I also read that different module versions (1.1 and 4.2) can cause problems. Is it my BIOS memory settings that are to blame for my stability issues? What are the optimal BIOS settings for these 3 modules to be used together. Please help! Various BIOS Settings Memory Frequency Auto Resulting Frequency Auto Memory Timing Optimal SDRAM Active Precharge Delay 6 SDRAM RAS to CAS Delay 3 SDRAM RAS Precharge Delay 3 SDRAM CAS Latency 3 FSB Spread Spectrum 0.50% DDR Reference Voltage 2.6V Thank you Brent Link to comment Share on other sites More sharing options...
Wired Posted December 5, 2004 Share Posted December 5, 2004 I also read that different module versions (1.1 and 4.2) can cause problems. Bingo. That'll do it right there. Link to comment Share on other sites More sharing options...
sheppyb Posted December 6, 2004 Author Share Posted December 6, 2004 Wired, Originally Posted by Wired Bingo. That'll do it right there. So, at any setting, I can expect to have stability problems with these 3 modules because of the version number? Or were you just pointing out that's the cause of the instability and there is something that I can do to make the system more stable? Brent Link to comment Share on other sites More sharing options...
Wired Posted December 6, 2004 Share Posted December 6, 2004 At loosened timings they may work together. Try 3-4-4-8 @ 2.8 volts. Link to comment Share on other sites More sharing options...
sheppyb Posted December 6, 2004 Author Share Posted December 6, 2004 Wired Thank you for replying. I will try out the settings and load the system to see how the memory handles. Brent Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted December 6, 2004 Corsair Employee Share Posted December 6, 2004 And you should set the memory Frequency at DDR333 with the CPU you have and set the timings to Cass 2.5-3-3-7 at 2.7 Volts and see if that does not solve the problem. Link to comment Share on other sites More sharing options...
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