cirial Posted September 2, 2013 Share Posted September 2, 2013 Hi guys, I have had an ASRock Z77M (latest bios) running Core i3 3225, and 2x4GB kit CML8GX3M2A1600C9 running rock solid for the past year, until recently I noticed its defaulting to 1333 speeds. When I try to set the board to load the Corsairs XMP profile, the board fails to boot. Is there something wrong with one of the sticks of my memory, or would this be an ASRock issue? There is a 4x4GB kit on ASRock's memory QVL (CML16GX3M4A1600C9), but this microatx board only has 2 dimms, so technically my CML8GX3M2A1600C9 should be just as compatible. Right? Link to comment Share on other sites More sharing options...
cirial Posted September 2, 2013 Author Share Posted September 2, 2013 I also cant get it to run when I set manual settings of 9-9-9-24, board beeps 4 times and fails to run with these settings. Link to comment Share on other sites More sharing options...
peanutz94 Posted September 3, 2013 Share Posted September 3, 2013 The memory you have would be compatible. Have you tested the memory one stick at a time with memtest86+ to see if you can rule out a bad module? If not please do so. Let each stick ru for about 3 passes or until you get an error. Let us know what you find out. Link to comment Share on other sites More sharing options...
cirial Posted September 3, 2013 Author Share Posted September 3, 2013 Thanks for the suggestion. I have memtest running now on the first stick. I tried to see if I could load the xmp profile with only one stick and that didn't work either. Failed to boot. I haven't had any weird errors, bsod or anything familiar with a dying stick of ram. I hope this narrows things down Link to comment Share on other sites More sharing options...
cirial Posted September 3, 2013 Author Share Posted September 3, 2013 No errors found on either ram module. Found one stick has no issues running XMP at 1600mhz,but as soon as I add the second stick, it will beep 4 times and not post. Could be a mobo issue?? Link to comment Share on other sites More sharing options...
peanutz94 Posted September 3, 2013 Share Posted September 3, 2013 Yes, it could be a board issue. However, i would have the memory replaced first just to be sure before you go swapping out boards. If you decide this is what you would like to do please use the link on the left to request an RMA Link to comment Share on other sites More sharing options...
cirial Posted September 3, 2013 Author Share Posted September 3, 2013 Thank you. It seems like both sticks of RAM work when only the first slot on the board is used. I have a set of CMZ16GX3M2A1600C10 from another computer which I will try in this Asrock Z77M board tonight to try to isolate if its still a RAM or a bigger mobo issue. I'll keep this up to date Link to comment Share on other sites More sharing options...
cirial Posted September 4, 2013 Author Share Posted September 4, 2013 Update: both sticks work individually on each of the dimm slots. However, it refuses to boot at 1600 when both sticks are used. I submitted a trouble ticket with Corsair around this time yesterday but haven't heard anything back. :( Link to comment Share on other sites More sharing options...
peanutz94 Posted September 4, 2013 Share Posted September 4, 2013 That would indicate a MB issue and not the memory. You are more than welcome to go through the RMA process if you wish, I just don't believe it will solve your issue. Link to comment Share on other sites More sharing options...
cirial Posted September 5, 2013 Author Share Posted September 5, 2013 Peanutz, thanks for all your help. i really appreciate your replies. I played around a bit with DRAM voltage and can get this memory to boot at 1600 manual and/or XMP profile 1 by increasing voltage past 1.6V. Anything under and it beeps and defaults to 1333. So you think it's the board and not the memory? Link to comment Share on other sites More sharing options...
peanutz94 Posted September 5, 2013 Share Posted September 5, 2013 I would still tend to think board since you have had it running at rated specs for a year now. If the memory were going to fail it would or should just fail. But there really isn't any way for both sticks to need more voltage if they were failing. At least for them to both do this at the same exact time. Motherboard voltage regulation or lack of is what comes to mind. But here again, I think i would still try another memory kit before you go dismantling your system to swap boards. If you get the same results with a second kit, then you have a definite answer. Link to comment Share on other sites More sharing options...
cirial Posted September 5, 2013 Author Share Posted September 5, 2013 Peanutz, well to tell u the truth, when I built this htpc last September I don't recall setting the XMP profile or ram to 1600. It could have very well been running rock solid at 1333 this whole time until just earlier this week when I noticed the bios showing 1333. Speaking of voltage regulation, this setup is in a micro atx htpc case that came with a generic psu which is a sway from the normal bronze/silver rated PSU that I would put in a normal computer. Does that change things? I've put an inquiry in with Corsair so I'm wondering what they will tell me with this kit needing 1.6v. Link to comment Share on other sites More sharing options...
peanutz94 Posted September 5, 2013 Share Posted September 5, 2013 Speaking of voltage regulation, this setup is in a micro atx htpc case that came with a generic psu which is a sway from the normal bronze/silver rated PSU that I would put in a normal computer. Does that change things? No, not really. It would be all internal in the MB...IF ,that would be the case. It's a well known fact that a lot of MB's tend to undervolt the memory anyway. Even though the BIOS says 1.6v i would bet money that if you put a meter on them it would be closer to the 1.5v. I've put an inquiry in with Corsair so I'm wondering what they will tell me with this kit needing 1.6v. Probably nothing. It's not uncommon for some kits depending on other system components to need slightly more voltage at higher speeds. Thats just overclocking. It's also a common suggestion to add slightly more voltage to a kit that is other wise unstable. That extra voltage is sometimes needed. If you have indeed never enabled the XMP profile or set them for 1600mhz manually it's entirely possible that this is just what your board/CPU requires. If it's stable at 1600mhz and 1.6v then you shouldn't have anything to worry about. The only reason i questioned your board in the first place was because you said it changed over the course of a year. But if thats not the case , then everything seems pretty normal. Link to comment Share on other sites More sharing options...
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