Miyth Posted October 17, 2007 Author Share Posted October 17, 2007 Alright, this is an error that has been with me since I built the computer, and I'm not sure what to make of it. I am using Two CM2X2048 sticks- PC 6400, 800 Mhz, running at 5-5-5-18, 1.8v After about 3 hours of gaming (or so) my computer will spontaneously reboot. Note: This is not a BSOD. I have already turned off automatic rebooting. This is a spontaneous hard reboot. 1.) My power supply is a 600Watt BFG Tech. No problems with it. 2.) Running memtest86 AND Memtest86+ causes a spontaneous reboot somewhere between test 4-6, usually 11 to 17 minutes into the test. It varies. 3.) I -DO- have all USB controllers disabled in my BIOS peripherals list. 4.) I already tried bumping the voltage to 1.9 to see if it helped force stability. No effect. 5.) I have verified that the RAM is operating at 5-5-5-18 using CPU-Z, it is set to the correct reccomended timings for my motherboard, and for the RAM(I think). 6.) My BIOS is fully up-to-date at the F12 release, which I believe is the latest for the 965P. 7.) I do not believe this has to do with CPU overheating. I am using a Zalmann, and the unit idles at 30/35c and operates under load at 45/50c (Core) Windows built in memory tester completes and finds no problems, but memtest causes the reboot just like the games. My current Setup: Gigabyte GA-965P DS3 Rev 3.3 Intel E6600 @ 2400 (stock) 2x CM2X2048- 6400 C5DHX at 5-5-5-18 1.8v Evga Geforce 8800 GTS 640 mb Creative X-fi Fatal1ty 2x Seagate Barracuda SATA drives Windows Vista 32 bit Home Premium. I realize that Vista only supports 4 gig, and that two 2 gig sticks will only register as 3.2 gigs in the OS-- but I still use this computer for Graphics work, and I like having that extra bit. At this point, I'm at a loss as to what the problem is, and I have no way of definitively proving it's the RAM, since I can't get memtest to report any errors- it just reboots the computer and starts the test over again. =/ Link to comment Share on other sites More sharing options...
Miyth Posted October 17, 2007 Share Posted October 17, 2007 Alright, this is an error that has been with me since I built the computer, and I'm not sure what to make of it. I am using Two CM2X2048 sticks- PC 6400, 800 Mhz, running at 5-5-5-18, 1.8v After about 3 hours of gaming (or so) my computer will spontaneously reboot. Note: This is not a BSOD. I have already turned off automatic rebooting. This is a spontaneous hard reboot. 1.) My power supply is a 600Watt BFG Tech. No problems with it. 2.) Running memtest86 AND Memtest86+ causes a spontaneous reboot somewhere between test 4-6, usually 11 to 17 minutes into the test. It varies. 3.) I -DO- have all USB controllers disabled in my BIOS peripherals list. 4.) I already tried bumping the voltage to 1.9 to see if it helped force stability. No effect. 5.) I have verified that the RAM is operating at 5-5-5-18 using CPU-Z, it is set to the correct reccomended timings for my motherboard, and for the RAM(I think). 6.) My BIOS is fully up-to-date at the F12 release, which I believe is the latest for the 965P. 7.) I do not believe this has to do with CPU overheating. I am using a Zalmann, and the unit idles at 30/35c and operates under load at 45/50c (Core) Windows built in memory tester completes and finds no problems, but memtest causes the reboot just like the games. My current Setup: Gigabyte GA-965P DS3 Rev 3.3 Intel E6600 @ 2400 (stock) 2x CM2X2048- 6400 C5DHX at 5-5-5-18 1.8v Evga Geforce 8800 GTS 640 mb Creative X-fi Fatal1ty 2x Seagate Barracuda SATA drives Windows Vista 32 bit Home Premium. I realize that Vista only supports 4 gig, and that two 2 gig sticks will only register as 3.2 gigs in the OS-- but I still use this computer for Graphics work, and I like having that extra bit. At this point, I'm at a loss as to what the problem is, and I have no way of definitively proving it's the RAM, since I can't get memtest to report any errors- it just reboots the computer and starts the test over again. =/ Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted October 18, 2007 Corsair Employees Share Posted October 18, 2007 I would recommend testing the modules one at a time with memtest. If both modules individually cause the system to reboot, there may not be a faulty module, how ever if one passes and the other fails, we would want to get them both replaced. Also when using 4GB with Windows Vista, you will want to be sure to get this patch: http://support.microsoft.com/kb/929777 Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted October 18, 2007 Corsair Employees Share Posted October 18, 2007 I would recommend testing the modules one at a time with memtest. If both modules individually cause the system to reboot, there may not be a faulty module, how ever if one passes and the other fails, we would want to get them both replaced. Also when using 4GB with Windows Vista, you will want to be sure to get this patch: http://support.microsoft.com/kb/929777 Link to comment Share on other sites More sharing options...
Miyth Posted October 18, 2007 Author Share Posted October 18, 2007 Ok, I tested each stick separately with one pass through memtest86. No spontaneous reboots. Note: I only did one pass. Then, I moved both sticks to slots 3 and 4 (they were in 1 or 2), and tried memtest again with both together. This time, it didn't spontaneously reboot-- it did one pass through all the way with NO errors. On the second pass, almost immediately, errors started appearing en-masse (about 1 hour wall time, at test 2-3-4). It has 2411 errors and counting, all of them localized around the following MemMap addresses: 0, 3326 Occasionally, it will also throw clusters of errors in the following places: 4095, 4896. I found this particularly curious, since I only have 4096 mb of memory in the machine, and ther eis no 4896. I have no idea why this only showed up on the second pass, but I guess this counts as the RAM being faulty? Link to comment Share on other sites More sharing options...
Miyth Posted October 18, 2007 Author Share Posted October 18, 2007 Ok, I tested each stick separately with one pass through memtest86. No spontaneous reboots. Note: I only did one pass. Then, I moved both sticks to slots 3 and 4 (they were in 1 or 2), and tried memtest again with both together. This time, it didn't spontaneously reboot-- it did one pass through all the way with NO errors. On the second pass, almost immediately, errors started appearing en-masse (about 1 hour wall time, at test 2-3-4). It has 2411 errors and counting, all of them localized around the following MemMap addresses: 0, 3326 Occasionally, it will also throw clusters of errors in the following places: 4095, 4896. I found this particularly curious, since I only have 4096 mb of memory in the machine, and ther eis no 4896. I have no idea why this only showed up on the second pass, but I guess this counts as the RAM being faulty? Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted October 18, 2007 Corsair Employees Share Posted October 18, 2007 That would suggest some other problem, and did you test the modules one at a time with http://www.memtest.org? In addition, with 4 modules and that MB you may have to set the memory Frequency at DDR533 or DD667 and for sure the memory Voltage should be set to 2.1 Volts (+.3 Volts with your MB) and then test the system with http://www.memtest.org at least 2 or 3 passes. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted October 18, 2007 Corsair Employees Share Posted October 18, 2007 That would suggest some other problem, and did you test the modules one at a time with http://www.memtest.org? In addition, with 4 modules and that MB you may have to set the memory Frequency at DDR533 or DD667 and for sure the memory Voltage should be set to 2.1 Volts (+.3 Volts with your MB) and then test the system with http://www.memtest.org at least 2 or 3 passes. Link to comment Share on other sites More sharing options...
Miyth Posted October 18, 2007 Author Share Posted October 18, 2007 Yes- I did test the modules one at a time, but only for one pass. I'll try some more extensive tests on the individual sticks if changing the voltage and frequency doesn't work. Alright, thanks for the advice, I'll give that a try next. I'm not sure what you mean by four modules though. I have two sticks of 2 gig memory-- the older kind of the DHX memory. Is it really safe to try it at a higher Mhz and Voltage, if the RAM says it's supposed to run at 1.8v and at DDR400? Link to comment Share on other sites More sharing options...
Miyth Posted October 18, 2007 Author Share Posted October 18, 2007 Yes- I did test the modules one at a time, but only for one pass. I'll try some more extensive tests on the individual sticks if changing the voltage and frequency doesn't work. Alright, thanks for the advice, I'll give that a try next. I'm not sure what you mean by four modules though. I have two sticks of 2 gig memory-- the older kind of the DHX memory. Is it really safe to try it at a higher Mhz and Voltage, if the RAM says it's supposed to run at 1.8v and at DDR400? Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted October 18, 2007 Corsair Employees Share Posted October 18, 2007 Let's get them replaced, please use the On Line RMA Request Form and we will be happy to replace them. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted October 18, 2007 Corsair Employees Share Posted October 18, 2007 Let's get them replaced, please use the On Line RMA Request Form and we will be happy to replace them. Link to comment Share on other sites More sharing options...
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