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P8Z68-V PRO GEN3 couple questions

post #1 of 8
Thread Starter 
Hello,

I have a quick question about this p8z68 pro board I got.

currently I am at 4.5ghz @ 1.29v, I just realized I had C1E set to auto and not enabled so now I got my cpu to downclock itself during idle now. can I setup voltage offsetting with a manual voltage? so that when my cpu throttles to 1.6ghz during idle times my voltage will clock down with it. because it will clock down to 1600ghz just sitting on the desktop and browsing the web but my voltage stays at 1.29 when it could be a lot lower

Thanks
Edited by Fatality_ - 3/28/12 at 1:05am
post #2 of 8
If you set your voltage using "offset mode" then it will drop the voltage when idling. It doesn't work with "manual mode" though, only when you use offset mode.
post #3 of 8
If you manually set your voltage it will stay like that even with C1E, C6,c3, EIST enabled. You would need to use offset to allow for a drop during power save. When your OCing its safer than voltage constantly changing with Load drop as that can cause BSOD's if the response isn't fast enough in some boards and some configs (depends on user) Offset is your best bet at achieving this. And a high voltage even with a low clock speed won't burn the chip any worse than at fast speeds. Just less heat.

-- Words of the user Pent--
post #4 of 8
Thread Starter 
I think I will just turn C1E back to auto and use manual voltage. Seems like it would be too much of a hassle getting the voltage right in offset mode and getting it to stay stable.

Thanks guys +rep
post #5 of 8
Quote:
Originally Posted by Fatality_ View Post

I think I will just turn C1E back to auto and use manual voltage. Seems like it would be too much of a hassle getting the voltage right in offset mode and getting it to stay stable.
Thanks guys +rep

It really isn't that hard to use offset mode. I use to think it was too much hassle too, but after I played around with it, I found it rather easy. See you already know what voltage you need under load to be stable @4.5GHz (1.29v in your case), so all you have to do is play around with the offset voltage until you get 1.29v under load. Simple as that. This will obviously take some trial and error but I think it's worth it as it may prolong your chip's life in the long run.
post #6 of 8
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Dreamland
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post #7 of 8
Quote:
Originally Posted by Fatality_ View Post

I think I will just turn C1E back to auto and use manual voltage. Seems like it would be too much of a hassle getting the voltage right in offset mode and getting it to stay stable.
Thanks guys +rep

I highly recommend making a good voltage curve. To do this set LLC to medium or high, set your offset voltage accordingly and leave C1E where it is by default. This will allow the processor to clock down to something like 0.9v when @ idle 1600MHz. You will be safe either way but I figure why give it more voltage than what it needs to idle. Check out the Sandy Stable thread in my sig, lots of help there with BIOS templates to guide you.
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post #8 of 8
Thread Starter 
Okay thanks guys I think I got it perfect. I set my LLC to ultra high (75%) like in the asus rog guide garikfox linked. It was originally giving me 1.4v for a 4.5ghz oc so I put in - 0.1 but then it went way down to around 1.245v at 4.5ghz which is way too low. So I made the - 0.05 and I get 1.296v 4.5ghz full load and 0.960v idle (1600mhz) which is perfect! thumb.gif

+rep to all biggrin.gif
Edited by Fatality_ - 3/28/12 at 2:28pm
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