scyclops Posted April 11, 2005 Share Posted April 11, 2005 I received this RAM module and used it successfully for a while even though I ran Memtest on it and it reported one consistent memory error on the stick with every test it ran. A few weeks ago my computer started acting erratically and shutting down randomly during startup and while in windows doing no tasks in particular. I switched out the VS512MB400 stick for an equivalent stick from Crucial from my other computer that I have used for years without problems and the errors stopped happening, they were occuring within minutes using the VS512 stick. I then used the VS512MB400 stick in the computer that I pulled the Crucial stick from and everything appeared to working booting into a new install of Windows XP I had done the previous night. But upon attempting a second reboot Windows would not boot as some required file had been damaged and I had to reinstall Windows. The original computer with the shutdown errors was an Asus A7VT barebones PC with a Sempron 2400+, the other computer used to test which the Crucial RAM was pulled from uses a MSI K72N-LSR with an Athlon XP 2500+. -Andrew Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted April 11, 2005 Corsair Employees Share Posted April 11, 2005 Can you tell me the bios settings you have set for both CPU and memory and any performance settings that you may have set? Link to comment Share on other sites More sharing options...
scyclops Posted April 11, 2005 Author Share Posted April 11, 2005 Can you tell me the bios settings you have set for both CPU and memory and any performance settings that you may have set? All settings were default by the boards. Both motherboards used their Auto-Detect by SPD to set the timings and CAS settings and found and used the memory at 200MHz FSB with 2.5 CAS. The CPU's were at stock settings with no modifications. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted April 11, 2005 Corsair Employees Share Posted April 11, 2005 Please with just our XMS module installed and reset the bios with the Clear CMOS jumper and then enter the bios setup and set the following settings and work your way up from there: CPU Freq: 166 MHz Memory Frequency: 100% Dim Voltage to 2.7 Volts Resulting Frequency: 166MHz SDRAM CAS Latency: 2.5T SDRAM RAS to CAS Delay (tRCD): 3T SDRAM Row Precharge (tRP): 3T SDRAM Active to Precharge Delay (tRAS): 7T Then please test the modules one at a time with http://www.memtest.org. Link to comment Share on other sites More sharing options...
scyclops Posted April 11, 2005 Author Share Posted April 11, 2005 Please with just our XMS module installed and reset the bios with the Clear CMOS jumper and then enter the bios setup and set the following settings and work your way up from there: CPU Freq: 166 MHz Memory Frequency: 100% Dim Voltage to 2.7 Volts Resulting Frequency: 166MHz SDRAM CAS Latency: 2.5T SDRAM RAS to CAS Delay (tRCD): 3T SDRAM Row Precharge (tRP): 3T SDRAM Active to Precharge Delay (tRAS): 7T Then please test the modules one at a time with http://www.memtest.org. So you want me to test the 200MHz memory at 166MHz? Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted April 11, 2005 Corsair Employees Share Posted April 11, 2005 Yes, if you run the memory out of sync with your CPU you may get errors that are not from the memory. And if you really have a failing module it will fail on test 4 no matter what frequency you have it or them set to. Link to comment Share on other sites More sharing options...
scyclops Posted April 11, 2005 Author Share Posted April 11, 2005 I have run the memory at the specified BIOS settings described above and run Memtest, the same errors are being printed out of Memtest. This is using the MSI K72N-LSR motherboard. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted April 11, 2005 Corsair Employees Share Posted April 11, 2005 Please tell me the test you are getting errors on and the exact settings you have set for both CPU and memory! Link to comment Share on other sites More sharing options...
scyclops Posted April 12, 2005 Author Share Posted April 12, 2005 I did this: Please with just our XMS module installed and reset the bios with the Clear CMOS jumper and then enter the bios setup and set the following settings and work your way up from there: CPU Freq: 166 MHz Memory Frequency: 100% Dim Voltage to 2.7 Volts Resulting Frequency: 166MHz SDRAM CAS Latency: 2.5T SDRAM RAS to CAS Delay (tRCD): 3T SDRAM Row Precharge (tRP): 3T SDRAM Active to Precharge Delay (tRAS): 7T Then please test the modules one at a time with http://www.memtest.org. and the errors started listing within 5 seconds of MemTest starting and continued to list for each test for as long as I watched. Using MSIK72N-LSR with Athlon XP 2500+ at stock settings. The errors are appearing at four offsets, two in the 40MB range, one in the 70MB range and one in the 80MB range. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted April 12, 2005 Corsair Employees Share Posted April 12, 2005 Please follow the link in my signature “I think I have a bad part!” and we will be happy to replace them or it! Link to comment Share on other sites More sharing options...
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