Phytomer Posted April 9, 2009 Share Posted April 9, 2009 First of all I run my Asus P5AD2-E Premium board for 4 years fine with nog problems with Corsair XMS 2x 512MB (5400C4) with all bios setting on Auto. Now I have bought some new XMS2 memory (4 pcs of 1GB). TWIN2x2048-5400C4. I have read a lot of these forums, and bought especially the 5400C4 dimm's. The system is now very unstable, and does reboots a lot automatically... I have tried to set the voltage manualy to 2.0 and 2.1Volts, change the Cas to 4-4-4-12 tried also the Auto setting, but nothing seems to help me. With everything set on Auto the system is unstable and reboots a lot, with these setting doing a Memtest-86 (dos) it run for more then 10 hours with no Errors. With the Voltage on 2.0V or 2.1V and the Cas to 4-4-4-12 it gives a lot off errors on Dimm0 and Dimm3... I set it also already manually to DDR535 FSB:200Mhz. Somethimes memtest reports an "Unexpected Interrupt - Halting CPU0" with DDR600 it craches immediately! Who can help me out with this? Thanks. Link to comment Share on other sites More sharing options...
Wired Posted April 9, 2009 Share Posted April 9, 2009 Test 1 pair at a time, as that's how they're guaranteed. Please fill out your UserCP system specs with more info, e.g. your CPU. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted April 9, 2009 Corsair Employees Share Posted April 9, 2009 If you can adjust the NB Voltage may be called NB MCH Voltage set it to +.2 Volts over Default and see if that helps. Link to comment Share on other sites More sharing options...
Phytomer Posted April 9, 2009 Author Share Posted April 9, 2009 Unfortunately I can't find the "NB Voltage may be called NB MCH Voltage" into the Bios. (latest version 1006.006) Now I have setup the DRam Votage to 1,90Volts. The system looks a little more stable, but still do some reboots without warnings. - Configure DRAM Timing by SPD [Disabled] DRAM CAS# Latency [4 Clocks] DRAM RAS# Precharge [4 Clocks] DRAM RAS# to CAS# Delay [4 Clocks] DRAM RAS# Activate to Precha [12 Clocks] DRAM Write Recovery Time [5 Clocks] - DRAM ECC Mode [Disabled] - Hyper Path 2 [Disabled] I saw that Windows had check again the box "automatically reboot system" I uncheck that one again, and now I get of course a blue screen with: 0x0000008E which is pointing to the memory Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted April 9, 2009 Corsair Employees Share Posted April 9, 2009 Leave the timings at Auto and try the memory Voltage to 2.0 Volts if its still not stable. Link to comment Share on other sites More sharing options...
Phytomer Posted April 10, 2009 Author Share Posted April 10, 2009 I now have set the timing on auto, and set the voltage on 2.0Volts. Run a Memtest(3-times) with no errors. Start the system, and now I saw some Windows errors about the Virtual memory, Explorer go's down etc.. I always had a special Swap file partition on my disk from 5Gb. I configured it on that part of disk on 4096MB after that I also tried 4095MB. (Begin and End-size) With these settings I get a PFN_List_Corrupt (0x0000004E), Now I set it in Windows also on Auto (By System managed size) After this I get Blue-Screen: Memory_Management (0x0000001A) - IRQL_Not_Less_Or_Equal (0x0000000A) Do you have an Idea what the best settings are for the Virtual memory? Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted April 13, 2009 Corsair Employees Share Posted April 13, 2009 You will have to remove any of these settings and just use the default settings and then restart the system and you can reconfigure them. I would also try and set the memory Voltage to 2.1 Volts and see if that helps. Link to comment Share on other sites More sharing options...
Phytomer Posted April 16, 2009 Author Share Posted April 16, 2009 I have discover that the memory is more stable on 1,85/1,9 Volts, but still not stable enough Video's and Games are blocking, and BDOS screens are the results... But I'm now not sure if I realy get a matched pair of modules from my supplier This was the old original (512) which I uses a few years (without any problems) http://www.mijnalbum.nl/Foto-XDOGD4HN-D.jpg On this picture (below) you see the two new sets, look at the two modules above! The have the numbers: 2172385 2172370 http://www.mijnalbum.nl/Foto-MLHMWVCT-D.jpg The other pair (in picture below) have two numbers after each other, or how do you say this in Englisch :!oops: What I meaning is, it has the same number structure as the older 512 modules. Larger pictures are available add: http://www.mijnalbum.nl/Album-K3QFAZSN-Foto's-in-Ophemert-Foto's-van-Overig.html Do I now have just only one matched pair? Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted April 16, 2009 Corsair Employees Share Posted April 16, 2009 The numbers you are looking at do not mean any thing that is relevant and the version of memtest you are using is way to old please use http://www.memtest.org and what are the BIOS settings you have set for both CPU and memory? Link to comment Share on other sites More sharing options...
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