HighlyDubious Posted October 21, 2009 Share Posted October 21, 2009 At the time I bought all the components for this system, I had purchased other memory (it was also DDR3 1600). Unfortunately, two of the sticks turned out to be defective, and I had to return them. I had planned to return only the two defective sticks and replace them with the same product. (The other memory was not Corsair, but at this point I don't even recall what other brand/product.) But when I returned them, the store did not have any more of the other memory in stock. So, on the advice of the sales person, I purchased 8GB of CMX4GX3M2A1600C9 and returned all of the other memory. When I got the home, I saw that the CMX4GX3M2A1600C9 packaging mentions compatibility with i5/i7, but figured that was just added to the package by the weenies in the Corsair Marketing Dept to try to bump sales. It seemed logical to me that DDR3 is DDR3, and there should not be any problems using DDR3 "for i5/i7' on my AMD Phenom II 965. While building the machine I upgraded the BIOS to the latest version (v2105). I then installed Windows XP, and Windows 7 (both are x64), and had absolutely no problems. The system is rock solid and totally stable. I've run memtest86+ v4.0 through 3 full cycles, with no errors. And also run Prime95 for 30 minutes under both WinXP and Win7 with no errors. So I know the system is very stable. However, every time I try to install Ubuntu 9.04 (x64), or Ubuntu 9.10 Beta (x64), I get random hangs/freezes, and general weirdness. I've tried installing from CD, and from a USB flash drive. After a dozen attempts, I did finally get Ubuntu 9.04 (x64) to install. But afterward it acted very oddly. Programs and windows would randomly crash/close. And even the X server would randomly crash and dump me back to the log-in screen. These errors would occur even if the machine had not been touched for quite a while. I did some research and found a recommendation to manually set the DRAM Voltage in the BIOS to 1.5v, which I have done. But beyond that, I've left all other settings at their default values. I was able to install the Linux distro of PCLOS (x32), and after a few hours of use it seems completely stable. But, given that I spent the money for 8GB, and all my other OS's (on this machine and my other machines) are x64, I really don't see an x32 OS as being acceptable. I did find this today (link), so I'm thinking my next option may be to reduce the speed of the memory. The thing is though, ASUS clearly advertises this board as being fully ready to OC to 1600Mhz. On the other hand, it does not mention any Corsair memory as being compatible with 1600Mhz. I did not worry too much about this, because I felt it could easily be explained by the mobo manual being printed before your product was released. Bottom line: I need this system to be stable with Linux in 64-bit mode, and want to be able to access all of my 8GB. I'd prefer to not cut my speed to 1066Mhz, because the board clearly claims to support it. But if that is my *only* option, then I guess I'll do it. The reason I'm writing here is to ask if there's anything I've missed, or if you could perhaps present me with other options? (BTW, on a side note, I also have an ASUS Rampage II Gene with i7 920, using 6GB of your TR3X6G1600C8. That machine works *perfectly* with WinXP, Win7, and Ubuntu 9.04 (all are x64). So I know your other memory products are very good.) Thanks so much for your time and rapid response. Link to comment Share on other sites More sharing options...
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