Digory Posted October 4, 2009 Share Posted October 4, 2009 Dear Forum, Hoping for bit of advice re compatibility - maybe obvious to you guys :biggrin: I have a MSI mobo 865PE Neo2 currently fitted with 512 DDR [x2 256 sticks] XMS3500 [CMX256A-3500C2PT – I think] Old and not very exciting I know but it does the job – albeit slowly these days. I have seen two sticks of 256 for sale and wondered if it was compatible and would plug in my two unused slots: Corsair DDR Matched pair platinum series 256 Ram (to 512MB) CMX 256A - 3700 PT / 466 MHZ / XMS 3700 If compatible, would settings need tweak.Current settings [as recommended by Ram Guy at time of build] CAS latency is set to 2.0 clocks RAS precharge is 2 clocks RAS to CAS delay is 3 clocks precharge delay is 6 clocks burst length is 8 DDR power voltage is 2.75v Thanks D Link to comment Share on other sites More sharing options...
Wired Posted October 4, 2009 Share Posted October 4, 2009 It's never recommended to mix DDR1 of different part # / version # / lot #. Also, that memory hasn't been made in years. If you're buying from another end user it would not have a warranty. Having said that, you could try 3-4-4-8-2T @ 333 Mhz. If stable, then slowly bump up the speed and re-test for stability. Link to comment Share on other sites More sharing options...
Digory Posted October 5, 2009 Author Share Posted October 5, 2009 Thanks advice - guess will avoid then. How can I find compatible listing for a retired board like mine. Looked on the Corsair site but could not find mine: MSI 865PE NEO2 FIS2R Lots very similar but none exactly the same. Thanks D. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted October 7, 2009 Corsair Employees Share Posted October 7, 2009 I am sorry but we no longer make memory for XMS DD1 memory, I would suggest looking for a set of TWINX2048-3200C2 modules and just replace what you have now. Link to comment Share on other sites More sharing options...
Digory Posted October 11, 2009 Author Share Posted October 11, 2009 Thanks all. D:-) Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted October 16, 2009 Corsair Employees Share Posted October 16, 2009 NP Please let us know if you have any more questions! Link to comment Share on other sites More sharing options...
Digory Posted January 13, 2010 Author Share Posted January 13, 2010 Ram Guy Thanx for advice : " suggest looking for a set of TWINX2048-3200C2 modules " I am having bit of trouble finding UK source for these - any suggestions Thanx D:-) Link to comment Share on other sites More sharing options...
Digory Posted January 20, 2010 Author Share Posted January 20, 2010 Still looking for elusive ram Is this part number what I need: CMC2GX1M2A400C3 I dont really understand the part numbers RAM guy's has recomended "TWINX2048-3200C2" Thanks D:-) Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted January 21, 2010 Corsair Employees Share Posted January 21, 2010 Still looking for elusive ram Is this part number what I need: CMC2GX1M2A400C3 I dont really understand the part numbers RAM guy's has recomended "TWINX2048-3200C2" Thanks D:-) The first part is a single stick 1GB 400MHz Cas Latency 3. The second part number is a 2x1GB kit of 400MHz Cas Latency 2. If you are still having a problem finding modules I would suggest the VS2GBKIT400C3 as they may be in stock and would work with your machine. Link to comment Share on other sites More sharing options...
Digory Posted January 29, 2010 Author Share Posted January 29, 2010 Dear Ram Guy, Thanks for the always helpful advice. I have tried a few retailers that were listing XMS TWINX2048-3200C2 but on asking for availability they say no stock. I would still like to get some XMS so will look at pre-owned. Apart from getting compatibility correct, is there anything to look out for when buying pre-owned. Does an overclocked life mean a hard life and hence best avoided. Thanks D:-) Link to comment Share on other sites More sharing options...
Digory Posted February 7, 2010 Author Share Posted February 7, 2010 Ram Guy I have [at long last] found some XMS RAM - TWINX2048-3200C2PT Grateful if you could advise the correct settings for MSI 865PE Neo2 FIS2R. Manny Thanks D:¬) Link to comment Share on other sites More sharing options...
RJLeong65 Posted February 7, 2010 Share Posted February 7, 2010 Ram Guy I have [at long last] found some XMS RAM - TWINX2048-3200C2PT Grateful if you could advise the correct settings for MSI 865PE Neo2 FIS2R. Manny Thanks D:¬) The correct settings for that memory (assuming that you have a CPU with an FSB speed rating of "800" MHz (FSB800) are: CAS latency: 2.0 clocks RAS precharge: 3 clocks RAS to CAS delay: 3 clocks precharge delay: 6 clocks DDR power voltage: 2.70V to 2.75V Hope this helps. Link to comment Share on other sites More sharing options...
Digory Posted February 9, 2010 Author Share Posted February 9, 2010 many thanks D:¬) Link to comment Share on other sites More sharing options...
Digory Posted August 22, 2010 Author Share Posted August 22, 2010 folks, fitted the TWINX2048-3200C2 modules. Unfortunately, machine would not boot - more park than post. Refitted my meagre 512 DDR [x2 256 sticks] XMS3500 [CMX256A-3500C2PT] and everything okay. Did notice that the TWINX2048 was a bit warm when I removed it. Initially, left the BIOS setting as set for the outgoing XMS3500: CAS latency is set to 2.0 clocksRAS precharge is 2 clocksRAS to CAS delay is 3 clocksprecharge delay is 6 clocksburst length is 8DDR power voltage is 2.75v Was going to increase the precharge after doing quick boot / test. Any thoughts – or have I bought dud set of RAM. D:-) Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted August 24, 2010 Corsair Employees Share Posted August 24, 2010 We are more than happy to replace the modules go ahead and click the link in the left hand side. Link to comment Share on other sites More sharing options...
Digory Posted August 24, 2010 Author Share Posted August 24, 2010 Ram guy - thanx; thats a fantastic service. Would this still apply for a module no longer in production. I will give the RAM another try using the autodetect and different slots. Maybe this may force the board to recognise the change - worth a shot. D:-) Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted August 25, 2010 Corsair Employees Share Posted August 25, 2010 Yes, please go ahead and fill out the form. Link to comment Share on other sites More sharing options...
Digory Posted August 29, 2010 Author Share Posted August 29, 2010 Dear Ram Guy Grateful if you would just double check what I am doing here. I tried the TWINX2048-3200C2 modules again today – still no joy. I changed the BIOS setting to SPD [serial Presence Detect] to auto detect /set the DRAM clocks. I also dropped the voltage to the stock 2.5v and tried the RAM in two different slots [following population rules]. I was hoping this would force the MOBO to recognise the change. Alas it didn’t work, it just sat there in POST mode [& so did I]. I had a look at [current] RAM and noticed it was slightly different spec - CMX256A-3500C2PT XMS 3500 256MB 433MHZ CL2. My replacement modules are – 2GB TwinX CMX1024-3200PT XMS 1024MB 400MHZ The MOBO is an MSI 865PE Neo2 FIS2R; does this make sense Thanks – confused D. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted August 31, 2010 Corsair Employees Share Posted August 31, 2010 Were these the modules from the RMA? Link to comment Share on other sites More sharing options...
Digory Posted September 1, 2010 Author Share Posted September 1, 2010 Ram Guy Yes - although I have done nothing more than read your posting on subject. I wanted to be 100% sure I had got the correct modules for MOBO first. D:-) Link to comment Share on other sites More sharing options...
Digory Posted September 11, 2010 Author Share Posted September 11, 2010 Ram Guy You asked "Were these the modules from the RMA". What were you thinking. I would really like to know if I have the correct MOBO/Ram combination of 2GB TwinX CMX1024-3200PT XMS 1024MB 400MHZ & MSI 865PE Neo2 FIS2R. Then at least I can rule out mis-match as the problem. Thanks D:-) Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted September 14, 2010 Corsair Employees Share Posted September 14, 2010 Yes, those modules should work on that motherboard. Link to comment Share on other sites More sharing options...
Digory Posted September 15, 2010 Author Share Posted September 15, 2010 Ram Guy Thanks - thats good to know. Is there anything I could try to get them to work. I am assuming that the MOBO is not recognising them. D:-) Link to comment Share on other sites More sharing options...
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