Martin Palmieri Posted August 11, 2008 Share Posted August 11, 2008 ...I know. Hi guys I know there are some threads in this forum about compatibility issues between the ASUS P5B SE mobo and PC-6400 RAM. The 3 boxes I have at home have P5B-E Plus mobos and 2 Gigs of XMS2 CM2X1024-6400C4 all running perfectly without issues whatsoever and I am really glad for that combo. My son's older PC crashed the other day - wouldn't even post - so I had to build him a new rig in a hurry because he needed it for school work. So I bought a P5B SE mobo and 2 gigs of XMS2 CM2X1024-6400C4. The mobo won't boot with memory at 800. Only at 667. The processor is an Intel E6550. This processor has a bus speed of 1333 MHz. I have decided to replace the motherboard and go for an ASUS of the P5Q family - chipset P45. Before I jump into it, I have a couple of questions I hope you can help me with: - Is this memory OK with this processor, taking into account that the memory is 800 and the processor 1333 Mhz?` - Will the memory play fine with this motherboard model? I have another side question. When booting up, the computer seems to start up, then seems to shut down and then starts. Also, when changing settings in the BIOS and saving, the PC doesn't do a warm restart but instead, shuts down and does a cold boot. Does that seem like a mobo issue or a PSU issue to you? Aswell as I usually recommend Corsair RAM and PSUs I know I would never recommend this mobo to anyone. Many thanks in advance for your help. Martin Link to comment Share on other sites More sharing options...
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