cutmasterj Posted May 18, 2005 Share Posted May 18, 2005 I purchased two sets of the twinx1024-4000pro units approximately 6 months ago. All was well until this Monday upon powering on the system it would not post. I verified all connections and found no problems. I removed one set of memory and the system started to work. I swapped the removed pair with the pair still installed on the MB and the problem reappeared. It looks like bad memory to me. My system specs follow. ASUS P4C800-E Deluxe 2.8GHZ Intel Pentium 4 800MHZ FSB 2GB Ram Corsair twinx1024-4000 pro (2) ATI Radeon 9800 Pro (2) WD 160GB HD in Raid 0 config Windows XP Pro Suse 9.1 Pro Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted May 18, 2005 Corsair Employees Share Posted May 18, 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...
crannellatlant Posted May 19, 2005 Share Posted May 19, 2005 I purchased 1 gig of valueselect in 2 512 sticks. Everything worked fine for several months. Then upon boot up, about 3/4 of the way through...the blue screen of death.....reboot every time So, I took that memory and put it in another machine, and the problem followed the ram..One further test, I tried another machine (yes, I have three ) Then by testing 512 at a time deduced that I am holding the bad 512 stick in my hand.. Could you please furnish an RMA so I can replace this ram.. :idea: Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted May 19, 2005 Corsair Employees Share Posted May 19, 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...
cutmasterj Posted May 20, 2005 Author Share Posted May 20, 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? I am currently running my CPU at 3.0GHZ with the recommended timings from corsair. I have also set my MB to the default settings with the same result. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted May 20, 2005 Corsair Employees Share Posted May 20, 2005 I am sorry but that does not really tell me what I would need to help you. You have the CPU set to 3.0 but at what Frequency and what is the default speed of your CPU? And I would try and load setup/optimized defaults and then set the Dim Voltage to 2.8X Volts and test the modules one at a time to be sure. And I would not over clock with 4 modules just set them to Cass 3-3-3-8 at DDR400 to test them. In addition, with 4 modules your system would need to be able to provide 48 Watts just for memory. And with this MB you will need to disable legacy USB when running any memory test. AI Over Clock Tuner: Manual CPU Freq: 200 MHz Memory Frequency: 100%/DDR400 Dim Voltage to 2.85 Volts Resulting Frequency: 200MHz/400DDR Legacy USB: Disabled SDRAM CAS Latency: 3T SDRAM RAS to CAS Delay (tRCD): 3T SDRAM Row Precharge (tRP): 3T SDRAM Active to Precharge Delay (tRAS): 8T Then test the modules one at a time with http://www.memtest.org. Link to comment Share on other sites More sharing options...
cutmasterj Posted May 22, 2005 Author Share Posted May 22, 2005 Here is my current bios config: CPU Freq - 213 AGP/PCI - 66.66/33.33 Memory Freq - DDR400 CPU Vcore - Auto DDR Ref - 2.75 AGPVDDQ - 1.70 Performance Mode - Auto Hyper Thread - Enable DRAM CAS Latency: 3 DRAM RAS Precharge: 4 DRAM RAS to CAS Delay: 4 DRAM Precharge Delay: 8 DRAM Burst Length: 4 I will try your suggestion but keep in mind all four modules have been running with no errors for at least 6 months and no changes to my configuration has occured. As stated earlier the system will not post with the suspect ram installed using only two sticks. I have not tried them individually since they are a matched pair. I am sorry but that does not really tell me what I would need to help you. You have the CPU set to 3.0 but at what Frequency and what is the default speed of your CPU? And I would try and load setup/optimized defaults and then set the Dim Voltage to 2.8X Volts and test the modules one at a time to be sure. And I would not over clock with 4 modules just set them to Cass 3-3-3-8 at DDR400 to test them. In addition, with 4 modules your system would need to be able to provide 48 Watts just for memory. And with this MB you will need to disable legacy USB when running any memory test. AI Over Clock Tuner: Manual CPU Freq: 200 MHz Memory Frequency: 100%/DDR400 Dim Voltage to 2.85 Volts Resulting Frequency: 200MHz/400DDR Legacy USB: Disabled SDRAM CAS Latency: 3T SDRAM RAS to CAS Delay (tRCD): 3T SDRAM Row Precharge (tRP): 3T SDRAM Active to Precharge Delay (tRAS): 8T Then test the modules one at a time with http://www.memtest.org. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted May 23, 2005 Corsair Employees Share Posted May 23, 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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