alexin Posted September 22, 2009 Share Posted September 22, 2009 Hi, Recently I acquire a 4GB mem kit CMD4GX3M2B1600C8 and manually only works over 1.85V at 1600 8-8-8-24CR2, with 1.65-1.8v the mems crash on windows boot or BIOS can´t boot. The specifications are 1.65V 8-8-8-24@1600Mhz???? With this configuration: RAM: 8-8-8-24CR2 1.85V NB: 1.59V The system work fine at this time...:!::!::!: Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted September 22, 2009 Corsair Employees Share Posted September 22, 2009 What are you running the CPU Frequency and multiplier at? With Intel Chipsets the memory frequency cannot be set higher than the CPU FSB, and the CPU you have will run at 333 MHz or 1333 FSB so that would be the fastest you can run the memory unless you over clock the CPU! Link to comment Share on other sites More sharing options...
alexin Posted September 22, 2009 Author Share Posted September 22, 2009 hi, the configuration are: CPU multi: x9 FSB: 400Mhz FSB Strap: 400Mhz CPU VID: 1.3625V. CPU PLL: 1.6V FSBv: 1.26V. Temps max are 65ºC on CPU cores and 44-46ºC on NB. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted September 22, 2009 Corsair Employees Share Posted September 22, 2009 I would lower the CPU multiplier to 7 or 8 and see if that makes a difference but as long as you dont go over 2.0 Volts on the memory you should be fine. Link to comment Share on other sites More sharing options...
alexin Posted September 23, 2009 Author Share Posted September 23, 2009 Hi, The system run OK over 1.86V on RAM and pass 5 passes on IntelBurn Test @3.2Hz (x8) on CPU and FSB-RAM@1600Mhz... 2 Questions... 1- Why the 1.86V min for run the memory @1600Mhz??? 2- Modify the CPU 1/3 2/4 core Volt for stability at 1600 FSB-RAM??? Thanks.... Link to comment Share on other sites More sharing options...
pallkars Posted October 11, 2009 Share Posted October 11, 2009 Hey, i also bought 2x2GB CMD4GX3M2B1600C8. Same problem for me, it does NOT work in 1,65V as stated. It just crashes with stock-settings. But @ 1,86V it works perfect. Link to comment Share on other sites More sharing options...
alexin Posted October 11, 2009 Author Share Posted October 11, 2009 Actually the memory only works at 1600Mhz@8-8-8-24CR2 1.92V [3.2Ghz on CPU]. With low volt= 1.65-1.76v the S.O can not run. 1.76-1.86v frecuency BSoD. 1.86-1.90v rarely BSOD. and 1.92v 100% stable... ?¿¿?¿? Link to comment Share on other sites More sharing options...
pallkars Posted October 11, 2009 Share Posted October 11, 2009 Hmm, very bad of corsair indeed. No crashes yet for me at 1,86V. Link to comment Share on other sites More sharing options...
alexin Posted October 11, 2009 Author Share Posted October 11, 2009 The strange thing is that no freeze, only appear BSoD (and reboot) depending of the voltage range.?¿?¿? Link to comment Share on other sites More sharing options...
vinz94f Posted October 11, 2009 Share Posted October 11, 2009 Same thing with corsair dominator GT 2000Mhz and core i7 860. 2000MHZ @ 1.65v => no boot 2000MHZ @ 1.86v + IMC 1.48v => it's ok. And you noticed : Increasing DDR Voltage => Temperature of CPU is much increasing (10 °C) :eek: => dangerous:[pouts: Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted October 14, 2009 Corsair Employees Share Posted October 14, 2009 If it has to have that much voltage I would suspect it may be the CPU did you test them one at a time with XMP Enabled? Link to comment Share on other sites More sharing options...
pallkars Posted October 19, 2009 Share Posted October 19, 2009 No, the problem is in corsair's RAM. Anyways, it works perfect at 1,86V. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted October 21, 2009 Corsair Employees Share Posted October 21, 2009 I dont think so but I do not have a problem replacing the memory, 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...
rlameira Posted April 11, 2011 Share Posted April 11, 2011 Hi. I have 2 kits of 4GB (2x2GB) of this memory (CMD4GX3M2B1600C8) running on my Asus M4A89TD PRO with an AMD Phenom X6 1055T. Same problem than others. The system crashes if i try to run memories in 1600Mhz. Could you help me with the bios settings or other thing that i should do? Thanks. Link to comment Share on other sites More sharing options...
Yellowbeard Posted April 11, 2011 Share Posted April 11, 2011 No, the problem is in corsair's RAM. Anyways, it works perfect at 1,86V. No, the problem is that you have an older generation memory controller. Therefore, it requires more memory voltage for stability at rated speeds because it is not as efficient as the current IMCs. :cool: Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted April 11, 2011 Corsair Employees Share Posted April 11, 2011 And the CPU you have does not support DDR1600. AMD Phenom CPU's only support DDR1333. Check with AMD on the specifications on your CPU. Link to comment Share on other sites More sharing options...
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