drn Posted April 6, 2009 Share Posted April 6, 2009 Hi, I have intermittent no POST with my TWIN2X2048-8500C5D running at 1066 in my Asus P5K WS. There seems to be a range of problem stories about this combination. The system will run fine for a while, then the OS will start displaying weird corruption (I use Solaris 10 and ZFS - and the Z-Raid pools become corrupted). Once in this state, after a cold-reboot, the Mobo will not POST. The only way I can get the Mobo to POST is to put some generic brand 800 MHz memory in - then set the BIOS to force it to 800MHz - then switch in the Corsair matched pair instead. Any ideas on how to proceed? This machine is too critical to have this sort of instability. I had a replacement P5K WS last year when this last happened - but it didn't resolve the issue - I just get to the stage that once the machine is booted - I daren't turn it off! Is there any way to make this memory behave as if it's 800HMz? Should I simply buy some slower memory and bin the 1066 sticks? I'm pretty sick of this ASUS board to be honest. Many thanks for any advice. Ben Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted April 8, 2009 Corsair Employee Share Posted April 8, 2009 These modules SPD is set to DDR800 by default so they will post one every MB, if you are getting this problem I would suggest test them one module at a time to see if you can isolate this to one of the modules. Link to comment Share on other sites More sharing options...
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