Originally Posted by 2thAche
Common knowledge since it was introduced. Don't know why I'm explaining this but, whatever:
Depending on your board/CPU, your OC may or may not be able to make the transitions that EIST applies. It's not guarantied, and that's why you disable it when you start to OC.
I have 4 pretty aggressively overclocked systems, two can use EIST, and two have random crashes if enabled. Only one can use EIST AND enter/exit sleep mode, the Q6600. You try and tweak it AFTER you have a stable OC, there is no possible reason to use it to STABILIZE an OC.
Cmon man, it's at the beginning of every OC guide since it was introduced.
Yeah. "common knowledge" that is commonly misunderstood. If you have an OC that cannot deal with EIST being on then I contend the OC is not stable and not a good OC to run 24/7. Running with EIST disabled is akin to having your car idle with the engine RPM running as if you were driving on the freeway. You are wasting power and needlessly stressing your system. Many people who come on here read the OC guide and take everything as gospel. For example, how many BIOS screenshots do we see where people adjust thier clockskew to whatever is in the guide? Did they really need to make that adjustment? or did they just change it in their BIOS without even trying to get a stable OC without messing with the clock skew?
I think the misunderstanding comes from an unclear understanding of the purpose of the OC to begin with. There is a difference between overclocking for CPU-Z validation, for example and an OC for everyday 24/7 use. Yeah, I can OC my sig rig to 4800 MHz, and provide CPU-Z proof when I disable a bunch of features in the BIOS, but an everyday overclock SHOULD be stable with EIST enabled, LLC enabled, etc. etc. otherwise it's just a "validation" OC and not suitable for a 24/7 OC. I think that is where a lot of mistakes and misunderstandings occur. People think a "good" 24/7 OC should not have EIST on because they read it in the OC guide, therefore it must be how I should run my system.
-TGEdited by Tleilaxu Ghola - 1/27/11 at 11:31am