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Old 12-21-08   #601 (permalink)
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Guys i have a basic question about overclocking. When do i know, if it is possible to know, when im not booting because of low vcore or low NB voltage or maybe too much voltage? if too much voltage can cause a certain clock speed not to boot. Thank you
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Old 12-21-08   #602 (permalink)
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Generally if Prime95 Smalls crashes the system or causes BSOD, vCore is too low. If one of the cores fails then NB or one of the reference voltages is too low. Obviously if Prime Blend fails the NB is too low or DRAM is not stable.
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Old 12-22-08   #603 (permalink)
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Exact same thing happens on my board. It seems that the vCore can only be bumped up in certain increments but the BIOS lists many values between those increments. Thats why the vCore doesn't increase between certain ranges of values in the BIOS.

BTW I finally got my C1 8hrs Prime stable at 4.0GHz, LLC disabled with 1.39v real load which is 1.46v real idle and ~1.49v in the BIOS (can't remember the exact BIOS value). The system is also rock stable at the same multi and divider (471*8.5) with LLC enabled with 1.4125v in the BIOS which is 1.39v real idle and load (no vDroop).

Given that LLC is considered by some to be dangerous for 45nm chips, which is more dangerous: running well within safe voltages with LLC enabled or running just outside the safe voltage limit at idle without LLC enabled?
ah ok.

Oh well its not a big deal I can get 4.1Ghz easily out of my Q9550 with this board with 1.32v, next stop 4.5Ghz+ (once I figure out how to tune this board)
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Old 12-22-08   #604 (permalink)
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Still working on 4.25GHz here with not much luck. It boots up fine but locks up hard the moment I put it under load.

I've had CPU voltage up to 1.4000 with LLC on and that doesn't seem to help. (It's currently 1.3625. and that's stable at 4GHz.) NB voltage at 1.42V and NB GTL ref at 1.03V.

Flashed to the F7a BIOS, no help there.

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Old 12-22-08   #605 (permalink)
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man i normally get a core to fail in small lft in prime.. so i bumped the NB v a bit more and this time around it took it even less time to fail one of the cores. Whats the deal here.. any advise please. Im trying to get 3ghz out of q6600 but im @ 1.43vcore and 1.4 in NB
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Old 12-22-08   #606 (permalink)
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man i normally get a core to fail in small lft in prime.. so i bumped the NB v a bit more and this time around it took it even less time to fail one of the cores. Whats the deal here.. any advise please. Im trying to get 3ghz out of q6600 but im @ 1.43vcore and 1.4 in NB
Try upping your PLL and/or Termination.

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Old 12-22-08   #607 (permalink)
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man i normally get a core to fail in small lft in prime.. so i bumped the NB v a bit more and this time around it took it even less time to fail one of the cores. Whats the deal here.. any advise please. Im trying to get 3ghz out of q6600 but im @ 1.43vcore and 1.4 in NB
Well, the first thing to do, is to buy a GA-EP45-UD3P!

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Old 12-22-08   #608 (permalink)
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Well, the first thing to do, is to buy a GA-EP45-UD3P!
lol, i didnt even notice that one.

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Old 12-22-08   #609 (permalink)
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you're right.. i was just wondering as a general reference for overclocking, i wanted to know when do i need more NB volt or vcore. This mobo i have can't really OC much, it wont get pass 300 fsb without doing a lot of tweaking to the voltage settings.
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Old 12-22-08   #610 (permalink)
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you're right.. i was just wondering as a general reference for overclocking, i wanted to know when do i need more NB volt or vcore. This mobo i have can't really OC much, it wont get pass 300 fsb without doing a lot of tweaking to the voltage settings.
Well you did post in the thread for a completely different motherboard, which isn't going to help you at all, since the people who might know something about your motherboard might not even read this thread.

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