Stormspeed Posted December 23, 2004 Share Posted December 23, 2004 Right now I am running 2 X 512 Twinx 3200C2 Pro sticks on my MSI K8N Neo Platinum @ 200fsb 2-3-3-8 timings without a problem. I found a good deal on ebay for a stick of CMX512-3700 Pro. I know the timings are different, but will these 3 sticks run together stable? I understand the 3700 will only run at 200. What timings will be safe to run? Link to comment Share on other sites More sharing options...
jsteel44 Posted December 23, 2004 Share Posted December 23, 2004 Maybe... :D: Its totally up to luck when mixing versions and different brands etc.. of RAM. The rating of the 3700 RAM @ 233Mhz is 3-4-4-8 i think, it might do the timings of your 3200 RAM if it gets along. I've set one mates system with 1 3700pro and 2 3200XL pro xms modules running at 200fsb 2 2 2 5 with 2.7v bt i could be lucky. Link to comment Share on other sites More sharing options...
Wired Posted December 23, 2004 Share Posted December 23, 2004 FYI, the 3200s should do 2-3-3-6 on Intel, 2.5-3-3-6 on AMD. Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted December 23, 2004 Corsair Employee Share Posted December 23, 2004 I would not suggest mixing memory, and yes you are just lucky. Normally XMS3700 will not run bellow Cass 3-3-3-8 at DDR400! Link to comment Share on other sites More sharing options...
Stormspeed Posted December 24, 2004 Author Share Posted December 24, 2004 I would not suggest mixing memory, and yes you are just lucky. Normally XMS3700 will not run bellow Cass 3-3-3-8 at DDR400! So what your saying is that I will be lucky if they work together. I just wanted an increase in physical memory. I thought you could downclock memory better than overclock. I dont mind running at 3-3-3-8 timings. Im not much of a bencher. I dont think I will lose that much performance over my current timings. Would you not agree? Also why is my current memory rated at CAS 2.5 on AMD systems? I have been running CAS 2 for over a year and havent had any stability problems. Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted December 26, 2004 Corsair Employee Share Posted December 26, 2004 With AMD 64 CPU's since the memory controller is in the CPU it will rely on the SPD to set the memory timings and if the modules are not exactly matched it will usually display no memory or SPD detected. And with Cass 2 modules on AMD we saw that some platforms could not run reliably at Cass 2 so rather than confuse things we just listed it as All AMD platforms where suggested at Cass 2.5. However, with AMD 64 most if not all of the MB's we have tested have been able to run at Cass 2.0 with out problems. Link to comment Share on other sites More sharing options...
Stormspeed Posted December 28, 2004 Author Share Posted December 28, 2004 Just wanted to give a quick update. The 3700 stick works flawlessly with my 3200. Just had to tone down the timings to 3-3-3-8 @333, 1.7v. Ran 3dmark 01, 03, and 05 without a hiccup. The revisions are close. The 3200 is rev 1.0 and the 3700 is 1.2. Havent tried to up timings just yet and havent had time to memtest yet. But so far, my computer doesnt know the difference. One thing thats funny though, Sandra, CPU-Z and nvutility have reported this stick as PC4000. I love Corsair! Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted December 28, 2004 Corsair Employee Share Posted December 28, 2004 No problem, please let us know! Link to comment Share on other sites More sharing options...
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