th1rd Posted November 25, 2004 Share Posted November 25, 2004 Hi, I just purchased a 1GByte pair of TwinX Matched Memory. I've been getting error messages stating that memory cannot be "read". This usually causes just the program to crash, but at least once a week, it takes down the entire OS. I'm running an Athalon 3200+ Barton on an ASUS A7N8X-E Deluxe motherboard. A representative example of the memtest96 reports the following errors: Test # errors 5 2 6 3 7 1 8 33 Any ideas on how to proceed? thanks! -th1rd Link to comment Share on other sites More sharing options...
Wired Posted November 26, 2004 Share Posted November 26, 2004 What is the exact part # of your memory? Link to comment Share on other sites More sharing options...
th1rd Posted November 29, 2004 Author Share Posted November 29, 2004 Hi Wired, The part number is TWINX1024-3200XLPT Thanks! Link to comment Share on other sites More sharing options...
Wired Posted November 29, 2004 Share Posted November 29, 2004 CAS Latency: 2T RAS to CAS Delay (tRCD): 2T Row Precharge (tRP): 2T Active to Precharge Delay (tRAS): 5T DDR Voltage: 2.75 or 2.8 volts Try those timings, see what happens. YOu may have to update your BIOS, and / or set the tRCD to 3. Link to comment Share on other sites More sharing options...
th1rd Posted November 29, 2004 Author Share Posted November 29, 2004 Thanks Wired. It looks like my voltage settings are below what you recommend. I'll change the settings after work today and get back to you. Thanks! -th1rd Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted November 29, 2004 Corsair Employees Share Posted November 29, 2004 Thanks Wired, and please do let us know th1rd! Link to comment Share on other sites More sharing options...
th1rd Posted November 30, 2004 Author Share Posted November 30, 2004 Well, this seems to have helped a great deal, but not entirely solved the problem. I was able to run all the applications that caused memory access errors before without problem (Half-Life 2, various screen savers, MS Outlook & Word, etc.). But the system is still a little sluggish and memtest86 reported 14 errors from test #8 after running for 6-7 hours. No other test types reported errors. Here are the settings I used: CAS Latency: 2T RAS to CAS Delay (tRCD): 2T Row Precharge (tRP): 2T Active to Precharge Delay (tRAS): 5T DDR Voltage: 2.7 volts (this was at 2.6 previously) What should I try next? Will upping the voltage to 2.8 pose any risks to my mainboard? Or should I first try setting the tRCD to 3 as Wired suggested? Thanks for your help Wired! Link to comment Share on other sites More sharing options...
Wired Posted November 30, 2004 Share Posted November 30, 2004 Try 2.8v first. The mobo can handle it if it's an option, and the memory's warrantied up to 2.9 volts, but not over. If 2.8 doesn't help, then try changing tRCD to 3. If it's fine after that, try lowering the voltage. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted November 30, 2004 Corsair Employees Share Posted November 30, 2004 And what do you have the FSB jumper set too and what slots do you have the modules in? Link to comment Share on other sites More sharing options...
th1rd Posted December 1, 2004 Author Share Posted December 1, 2004 Well, upping the voltage to 2.8 reduced the number of errors during a 7 hour memtest run to 2 type 8 errors. I'll give Wired's other suggestion a try after work today. One memory stick is in DIMM_B1, but I don't remeber where the other one is. Either way, both configurations support Dual-Channel operation. Is either DIMM_A1 or DIMM_A2 preferable over the other for dual channel support? I'm 99% sure that jumper is set at factor default to enable FSB400/333/266 support. CPU-Z is reporting a 400 mhz bus speed with a 200 mhz FSB value. Should I be checking on anything here? Thanks! -th1rd Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted December 1, 2004 Corsair Employees Share Posted December 1, 2004 Please make sure that you have the latest bios Ver. 1.013 I believe and then set the FSB jumper to pins 2-3 furthest away from the CPU and then with no power connected reset or clear the bios and then when you turn it on load setup defaults and set the following settings with the modules in slots 2-3 skip the first slot: Dim Voltage 2.8 Volts CAS Latency: 2T RAS to CAS Delay (tRCD): 2T If you still get errors set this to "3" Row Precharge (tRP): 2T Active to Precharge Delay (tRAS): 5T You can see more about this MB and this issue at http://www.asusforums.org Link to comment Share on other sites More sharing options...
th1rd Posted December 2, 2004 Author Share Posted December 2, 2004 Hi, I followed your suggestions and my computer seems to be running better. I won't be able to run memtest on it until Monday night, but I'll report the results as soon as I'm done. thanks! -th1rd Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted December 2, 2004 Corsair Employees Share Posted December 2, 2004 O.K. please do let us know if you are still haveing trouble, we can try replacing the modules if needed. Link to comment Share on other sites More sharing options...
th1rd Posted December 7, 2004 Author Share Posted December 7, 2004 Hi, I finally had a chance to run Memtest, and it ran for ~8 hours without a single error. Should I run it longer? Thanks for the help! -th1rd Link to comment Share on other sites More sharing options...
Wired Posted December 7, 2004 Share Posted December 7, 2004 It's best to let it loop through 2-3 passes, but either way it sounds fine. Link to comment Share on other sites More sharing options...
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