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post #301 of 1922
Quote:
Originally Posted by ~sizzzle~ View Post
Zippy It seems unlikely at 191 but you might be running into a bit of a baseclock hole. At the point where you are at I'd try a few things.

First I'd walk up the baseclock one MHz at a time from 181. Doing that does it feel like you are hitting a wall or are you having to increase the vcore gradually as you go up? I hit a baseclock hole at 204. 203 was easy enough but 204 just wasn't happening. Finally it took a pretty good punch of VTT to get over it.

2nd if there is a hole there you are already getting over it by jumping to 1.39v. Maybe in your case the VTT isn't the issue and you are just needing the vcore to dig out of it. So now that your on the other side what can you do with that 1.39v. Try walking the baseclock up. Haven't heard you holler about temps at 1.39v so it might be worth seeing how far that will get you. Systems tend to have sweet spots. For my i5 it's 4.01, for my i7 3.8 maybe for you it's 4.4

3rd. Try ditching 21. Maybe your chip likes 22 or 20 or 19 better. You won't know until you try.
I actually did just that. I had it at 189x21 1.368, vtt 1.206, pll 1.810 ram all under clocked. It wasn'nt perfect stable but it did do a quick 5 intel burn test pass. After that 190+ again I hit a wall.

At 1.39 that thing loads a 80c. The problem is 1. those temps are higher then my liking for a 4.0 overclock (I am going to mess with my h70 and see if I can get them to come down) 2. I have a foxconn socket and don't want to push it that high in fear of blowing it out.

The thing that suck is I don't even know if 1.39 is that stable. I know it can pass a quick intel burn test but....I mean the fact that I need so much vcore sucks.

If it is a bclock hole is the mobo or cpu responsible for that? Also I don't have the x22 option. I think I have to turn turbo on for that.
Edited by Zippy476 - 12/10/10 at 12:32am
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post #302 of 1922
Just bought an i5 760... no PC for it yet. I currently have the case, monitor, CPU, and PSU.
Need more $$$
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post #303 of 1922
I cannot figure out how to get x22 it wont let me.
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post #304 of 1922
Quote:
Originally Posted by SIMPSONATOR View Post
Just bought an i5 760... no PC for it yet. I currently have the case, monitor, CPU, and PSU.
Need more $$$
Hope u find the best bet.
post #305 of 1922
OK just tried 181x22 1.352v, VTT 1.222, PLL 1.810 ram under clocked and it failed.......So I have no clue.

At 190x20
High Vdroop 1.232 (load)
VTT 1.206
PLL 1.810
DRAM 1.65

I was IBT stable for 25 passes.
Edited by Zippy476 - 12/10/10 at 1:07am
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post #306 of 1922
Thread Starter 
Quote:
Originally Posted by hotpeanut View Post
@ tjbridge

I would suggest you put on these requirements:

1. Temp should be in range with XXGhz etc.
2. 50x-100x IBT
3. 12-24hrs of Prime95
4. ScreenShot!!!
thanks for the suggestion but I wouldn't post any requirement for stability.

Each user has his/her own definition of stable which depends on the utilization of the system.

Other just use them for office use, gaming, video/audio encoding, folding, etc. I am not imposing it on anyone.

If you have an i5-760 you are welcome to post your specs and share your thoughts to help others but that's it.

With regards to temperature, it's a case to case bases. i5-760 chips differ from each other specially with different batch. And many things affect the temperature so it's hard to post a standard range of temp for a certain frequency range.

Thanks for thought though.
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post #307 of 1922
Quote:
Originally Posted by Zippy476 View Post
I actually did just that. I had it at 189x21 1.368, vtt 1.206, pll 1.810 ram all under clocked. It wasn'nt perfect stable but it did do a quick 5 intel burn test pass. After that 190+ again I hit a wall.

At 1.39 that thing loads a 80c. The problem is 1. those temps are higher then my liking for a 4.0 overclock (I am going to mess with my h70 and see if I can get them to come down) 2. I have a foxconn socket and don't want to push it that high in fear of blowing it out.

The thing that suck is I don't even know if 1.39 is that stable. I know it can pass a quick intel burn test but....I mean the fact that I need so much vcore sucks.

If it is a bclock hole is the mobo or cpu responsible for that? Also I don't have the x22 option. I think I have to turn turbo on for that.
I'd blame the mobo for a baseclock hole. I'm really suprised though that the GD80 is giving you that much trouble. There are some impressive overclocks on HWBOT with that board.


Quote:
Originally Posted by Zippy476 View Post
OK just tried 181x22 1.352v, VTT 1.222, PLL 1.810 ram under clocked and it failed.......So I have no clue.

At 190x20
High Vdroop 1.232 (load)
VTT 1.206
PLL 1.810
DRAM 1.65

I was IBT stable for 25 passes.
OK so what happens when you walk that 190 up to 200 ? Getting up around 200 it wouldn't be suprising if you had to push the VTT a bit. Also on the CPU PLL higher isn't always better, try lowering that also.

You could also try bumping the PCH and PCI-E Freq a hair I consider raising those last resort. Also try bumping CPU Amplitude Control & PCI Express Amplitude Control to 1000mV. I don't see those settings making a large difference for you though.

Check the socket pins.
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post #308 of 1922
Quote:
Originally Posted by Zippy476 View Post
I cannot figure out how to get x22 it wont let me.
x22 is only enabled when turboboost is enabled, which only boosts one core to a 22 multiplier rather than a 21 multiplier.
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post #309 of 1922
Quote:
Originally Posted by FIREitUP View Post
x22 is only enabled when turboboost is enabled, which only boosts one core to a 22 multiplier rather than a 21 multiplier.
nah, turbo gives 3 cores 22x, 2 cores 23x, and 1 core 25x. I think it goes like that. I've seen the 25x on my system before, so I'm fairly cetain about that one.
post #310 of 1922
OK I am just going to grab a EVGA P55 FTW from the marketplace here and send my GD80 back.
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