nilz Posted December 20, 2013 Share Posted December 20, 2013 2x4GB Corsair Vengeance 1600MHz CL9 pack System ran stable for almost 2 months. Now, every time large amounts of RAM are called it BSoD's with a Memory_Management_Error. Prime95 crashes after about 30mins of stresstest. Memtest reports a 90% pass, regardless of memory slot, 1 or 2 sticks. Eventually noticed the UEFI system browser shows the RAM as: Corsair 4096MB 667MHz (DDR3-1333) 9-9-9-24 XMP1.2 Profile 1: 800MHz (DDR3-1600) 9-9-9-24 _________________________________________ Am I correct in assuming that a 90% pass no matter what means it is a motherboard issue? Am I correct in assuming this means the motherboard identifies it as 1333MHz, but is running it on an 800MHz profile? Broken hardware or is there anything I can still try? Link to comment Share on other sites More sharing options...
peanutz94 Posted December 20, 2013 Share Posted December 20, 2013 Memtest reports a 90% pass, regardless of memory slot, 1 or 2 sticks. Am I correct in assuming that a 90% pass no matter what means it is a motherboard issue? Possibly, are you using the XMP profile? Am I correct in assuming this means the motherboard identifies it as 1333MHz, but is running it on an 800MHz profile? Post a screenshot of CPUz's Memory and SPD tabs please. All memory will be detected at it's lowest speed until otherwise set. If it is showing 800mhz then it would really be 1600mhz. DDR stands for double data rate. So you would take the 800mhzx2 for a speed of 1600mhz. But CPUz would clear thet up. Broken hardware or is there anything I can still try? If your getting the same results wether it be one stick or both then it's probably the board. But you can have the memory RMA'd if you wish. I just don't think it will help much. Link to comment Share on other sites More sharing options...
nilz Posted December 21, 2013 Author Share Posted December 21, 2013 Possibly, are you using the XMP profile? yes Post a screenshot of CPUz's Memory and SPD tabs please. All memory will be detected at it's lowest speed until otherwise set. If it is showing 800mhz then it would really be 1600mhz. DDR stands for double data rate. So you would take the 800mhzx2 for a speed of 1600mhz. But CPUz would clear thet up. Yeah, I messed that up. Should have said it's detecting as 667/1333, runs on 800/1600 XMP profile. If your getting the same results wether it be one stick or both then it's probably the board. But you can have the memory RMA'd if you wish. I just don't think it will help much. Yeah, not going to RMA it needlessly. My best guess is it's the board. Just trying to get some confirmation that is indeed the correct diagnosis before I take the whole machine apart again :sigh!: Link to comment Share on other sites More sharing options...
peanutz94 Posted December 21, 2013 Share Posted December 21, 2013 Quote: Originally Posted by peanutz94 View Post If your getting the same results wether it be one stick or both then it's probably the board. But you can have the memory RMA'd if you wish. I just don't think it will help much. Yeah, not going to RMA it needlessly. My best guess is it's the board. Just trying to get some confirmation that is indeed the correct diagnosis before I take the whole machine apart again Thats why I said you might consider swapping out the memory first. You and I both know it sounds like a bad board, but replacing the memory would be a lot easier than pulling the machine apart. Plus it would give you the confirmation your looking for one way or the other. Link to comment Share on other sites More sharing options...
nilz Posted December 21, 2013 Author Share Posted December 21, 2013 Ah, gotcha. I'll run with that then. Thanks for your help :) Link to comment Share on other sites More sharing options...
peanutz94 Posted December 21, 2013 Share Posted December 21, 2013 No worries. I have seen it go both ways before. I mean, it really sounds like a board issue, but stranger thing's have happened and a new kit cured things. If anything I'll keep my fingers crossed for you. You dont by any chance know anyone who would let you borrow their memory just for an hour or so to test your machine with it? that would even be faster. Link to comment Share on other sites More sharing options...
nilz Posted December 21, 2013 Author Share Posted December 21, 2013 I can try, but I have a feeling he might be apprehensive about sticking his RAM into a possibly busted board. Interestingly, after all the testing, it now seems stable again *knocks on wood*, so fingers crossed it holds at least until after the holidays. I've manually set the BIOS for 1600MHz RAM now to skirt around the faulty detection, so hopefully that helps a little. Link to comment Share on other sites More sharing options...
peanutz94 Posted December 22, 2013 Share Posted December 22, 2013 I can try, but I have a feeling he might be apprehensive about sticking his RAM into a possibly busted board. A miss detection error isn't going to hurt your friends memory. It will either work or not. If it's a bad board it may even behave the same as your current kit. Link to comment Share on other sites More sharing options...
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