overclocking problem

rome87

rome87

rome87

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Joined
6 Dec 2006
Posts
174
Hi need some help "newbe needs advice"

Im oc my q6600 my target is 3.0ghz but everytime i try and boot it at 333Fsb it fails with the message header missing etc

Im using 4 gigs of OCZ 6400 ram and have set ram divider at "2.5 in bios and fsb ratio 4:5, ram is at 402mhz and cpu clock at 2.90Ghz fsb 322.0mhz rated fsb 1288mhz x9 multiplyer"

ive ran prime95 blend test on all cores it passes it.

any ideas why ?


thx
 
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Set the RAM to 2.0 rather than 2.5 to give yourself plenty of headroom. Also - have you locked the PCIe bus? The error you are describing sounds like you are losing the SATA HDD, which might imply you have somehow overclocked the PCIe bus.
 
WJA96 said:
Set the RAM to 2.0 rather than 2.5 to give yourself plenty of headroom. Also - have you locked the PCIe bus? The error you are describing sounds like you are losing the SATA HDD, which might imply you have somehow overclocked the PCIe bus.
Click to expand...
the pcie settings is set to auto.Have now manged to boot with cpu clock at 3.0ghz and 333Fsb stable with prime 95 and ram is running at 333mhz fsb ratio 1:1



how much more can I safely push the cpu ?
 
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