Originally Posted by spypet
I think the NB is running at 2200 so it's useful to know increasing that may aid stability during higher OC attempts - at the moment i want to spend today making certain 4.13 holds without any grief so i can use these settings as a solid base for which to push any higher. Here is 4 hours into a real World test - prime95 heaven utorrent all working while i watched last night's fringe episode and post to this forum. i know 24hrs of prime95 with workers on all cores is the burning stability gold standard, but i prefer testing for real use suitability for shorter durations so I can still use the computer i'm tormenting
as per your advice i added a case fan to exhaust hot recirculating air which bought me -4c (side-in, back-out)and may add a third fan (front-in) later so I can stay well under +35c (25c apt) ambient, which as you say should keep my OC on air more stable and preserve my CPU health.note: my new GPU is not in yet, so I'm using a 10% OC 9500GT as I'm waiting to see how the upcoming 7890 will lower 7870 pricing going into Thanksgiving weekend, so maybe i can afford a 7870 instead of my originally budgeted 7850 - don't worry my PSU can handle it - i already checked everything out with a KillOWatt and this current stage of build maxes out at 190w.
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Yea, not only will upping the CPU-NB help with some stability but can also assist in performance across the board. This can also act as a band-aid for the weak IMC. Allowing for a little more breathing room on RAM overclocking. having a higher CPU-NB can also lessen the CPU bottle neck on high end set up's
I run mine at 2800, Over and performance start's to drop back down, but some system's gain great improvements all the way to 3000Mhz. Its a coin toss, 2600-2800 is the common range though.
Also a little bit of warning when overclocking the CPU-NB, The max safe voltage is around 1.45v-1.50v. Some say it can match your CPU Vcore but I wouldn't. Also watch temps as you add voltage the the CPU-NB, it will raise the CPU temps considerably. However having a higher CPU-NB voltage and freq might allow you to use less CPU Vcore
The AMD 7XXX cards OC like bests from what I have seen and heard, Good luck!