moosetyler Posted December 5, 2007 Share Posted December 5, 2007 Just built new system, but unable to get machine to POST. Fans running. Stripped machine down to mobo, CPU (Intel C2D E6750), & RAM. Tried each stick by itself in different slots on mobo, nothing. No beeps, nothing. Have a feeling it is the mobo, but before I send it in for RMA I want to be sure. Unfortunately do not have another system to test memory in, or other memory to test in new system. Tried CLR_CMOS, didn't help. Voltage on mobo says 1.8V but I know it is capable of 2.1V with BIOS change. Question #1: Is RAM necessary for successful POST? Question #2: Has anyone been able to get this combination of RAM & mobo to function that you know of? Thanks!! Link to comment Share on other sites More sharing options...
DerekT Posted December 5, 2007 Share Posted December 5, 2007 With this DRAM, you need to install a stick of Vanilla DDR2 DRAM. Upon boot, you need to enter the BIOS and set the Vdimm (DRAM Voltage) to 2.2v (for Version 1.xx) or 2.1v (for Version 2.xx). Then shut the system down and insert the 8500C5's. They need more DRAM than the standard JEDEC requirement of maximum 6400 with 5-5-5-18 and 1.8v. Link to comment Share on other sites More sharing options...
moosetyler Posted December 5, 2007 Author Share Posted December 5, 2007 Thanks for the quick reply. I will try to borrow some and give it a go. Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted December 5, 2007 Corsair Employee Share Posted December 5, 2007 Have you tried to reset the BIOS with just one module installed? Link to comment Share on other sites More sharing options...
moosetyler Posted December 8, 2007 Author Share Posted December 8, 2007 Tried resetting CMOS (both by jumper and battery removal) with Corsair memory in, as well as some "vanilla" 800 speed memory I borrowed from a friend, and with no memory at all, same result after each try. Tried each stick by itself in all 4 mobo slots, same results. Tried another processor also, same result. RMA'ing the mobo. Thanks for the ideas, I'll post again when I get the new board to let you know what worked. Link to comment Share on other sites More sharing options...
Empo Posted December 8, 2007 Share Posted December 8, 2007 I have exactly the same problems and spec´s as you! (i have a Q6600 cpu though) Except that my system boots fine if i put in som "vanilla" ddr2 533mhz !. But i cant get the dominator to work no mather what i try :(. I have tried cmos resetting..raising voltage etc. several times. Please help :[pouts: Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted December 10, 2007 Corsair Employee Share Posted December 10, 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...
Empo Posted December 21, 2007 Share Posted December 21, 2007 2 New sticks solved this problem for me! Thx Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted December 22, 2007 Corsair Employee Share Posted December 22, 2007 Great and thank you for letting me know! Merry Christmas and Happy New Year! Link to comment Share on other sites More sharing options...
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