My 3570k seems to be fully prime stable and benchmark stable at 4.2 with about 1.232 volts however in games like Diablo 3 which isn't particularly demanding, it seems my system will either re-boot itself or freeze (doesn't happen all that often but still). Even 1.248 will cause the system to very occasionally freeze however this does stop the re-booting.
I'm using offset, have the correct c states disabled, llc set to high and know it isn't the cpu temperatures causing the issue (max I get after long prime 95 use is 74 degrees in a 20-23 degree room). The case is well ventilated. My ram runs at 1866 as it's supposed to with the correct timings and voltage manually entered. Tested with mem test and no errors - it's less than 6 months old. My graphics card is 100% stable and I have already tried lowering the clocks on it just in case - didn't help. PSU is 700w and bronze rated - very much doubt it's that as I have gone back to 4.0ghz at 1.232 and all is well.
Any ideas on how I can get 4.2 stable as to go to 1.256-1.264 for that speed seems on the very high side? It's an Asus board - p8z77 v2 if that helps.
I'm using offset, have the correct c states disabled, llc set to high and know it isn't the cpu temperatures causing the issue (max I get after long prime 95 use is 74 degrees in a 20-23 degree room). The case is well ventilated. My ram runs at 1866 as it's supposed to with the correct timings and voltage manually entered. Tested with mem test and no errors - it's less than 6 months old. My graphics card is 100% stable and I have already tried lowering the clocks on it just in case - didn't help. PSU is 700w and bronze rated - very much doubt it's that as I have gone back to 4.0ghz at 1.232 and all is well.
Any ideas on how I can get 4.2 stable as to go to 1.256-1.264 for that speed seems on the very high side? It's an Asus board - p8z77 v2 if that helps.
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