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Gigabyte EP45-UD3 Series Owners Guide - Page 457

post #4561 of 21186
well....i wasn't happy with the 9800 overclocking ability, so i said f it, exchanged back for the gts 250.
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post #4562 of 21186
I push my 9800 pretty well over stock. I guess your extra cores help too.... lucky, lucky man...
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post #4563 of 21186
heheh yup

one last step, upgrading to vista 64bit

hope this rig can last me 3+ yrs
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post #4564 of 21186
Okay I have a question. Nothing terribly pressing but I'm just wondering something for my future attempts at 3.9 or beyond.

I went in a fiddled with my Reffs, both CPU & MCH. I set everything to stock then went back in and set them manually to their default values.

My CPU Reff goes from the default of .760 to .783 or something like that--not .800. After setting the fsb to 440 and everything else this (CPU Reff) set itself at .835.

My MCH Reff was set to .800 (next one up) and set itself to .850, after setting all other settings back to the desired values.

Tried to boot 440 x 9 = 39.60
vcore 1.400v/1.376
Term 1.28
Cpu Ref .835
MCH 1.24
MCH Ref .850

No dice. Upped the vcore 1 and got halfway through the Windows load and bsod'ed.

I'm seeing more vcore in my future.

But my question is; at what speed do you consider messing with the Refs--CPU & MCH? Or do you go by fsb? I know everyone's hardware is different but for those who have passed 4.0--who all adjusted their refs?

My chip is topping out already. I can tell by the vcore leaps it takes for stability after 3.5.

What exactly does a reference do anyway? Is it something (voltage) per clock cycle?

I've Googled. But I'm a welder by trade...anything too technical may as well be written in Chinese.

Any English answers would be greatly appreciated.
 
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post #4565 of 21186
Does anyone know why I can get stable at 4.0ghz at 1.30 and stable at 4.20 at 1.35 and then i try to go higher and it fails so i return everything back to what it was at when it was stable and now it's no longer stable anymore. I loaded optimized defaults and entered everything back in to the settings when it was stable. So do I have to reset the cmos and take the battery out for 5 mins?

Anyone have any advice for my overclock. Trying to get stable at 4.20ghz The only changes I have made are:
442 fsb
1.35v core
northbridge 1.4v
Ram is at 5-5-5-15
333
2.40B
pci 100
Edited by lowkickqop - 7/23/09 at 5:46pm
post #4566 of 21186
Quote:
Originally Posted by crashdummy35 View Post
Okay I have a question. Nothing terribly pressing but I'm just wondering something for my future attempts at 3.9 or beyond.

I went in a fiddled with my Reffs, both CPU & MCH. I set everything to stock then went back in and set them manually to their default values.

My CPU Reff goes from the default of .760 to .783 or something like that--not .800. After setting the fsb to 440 and everything else this (CPU Reff) set itself at .835.

My MCH Reff was set to .800 (next one up) and set itself to .850, after setting all other settings back to the desired values.

Tried to boot 440 x 9 = 39.60
vcore 1.400v/1.376
Term 1.28
Cpu Ref .835
MCH 1.24
MCH Ref .850

No dice. Upped the vcore 1 and got halfway through the Windows load and bsod'ed.

I'm seeing more vcore in my future.

But my question is; at what speed do you consider messing with the Refs--CPU & MCH? Or do you go by fsb? I know everyone's hardware is different but for those who have passed 4.0--who all adjusted their refs?

My chip is topping out already. I can tell by the vcore leaps it takes for stability after 3.5.

What exactly does a reference do anyway? Is it something (voltage) per clock cycle?

I've Googled. But I'm a welder by trade...anything too technical may as well be written in Chinese.

Any English answers would be greatly appreciated.
I don't start messing with Ref's till my FSB is over ~450MHz and/or my vTerm gets up around 1.3 or so.

Quote:
Originally Posted by 500x8
CPU Vcore….………................................ : 1.35
CPU Termination…..... 1.200V*...............: 1.28
CPU PLL…………………....1.500V*.......: 1.5
CPU Referen.…………....0.755V*...........: .76
CPU Reference2………,,0.800V*...........:<<< .67% Of Vtt

MCH/ICH
MCH Core…………….....1.100V...........: 1.28
MCH Reference….…….0.800V............: .74
MCH/DRAM Ref.…......0.900V..............:
ICH I/O……………….....1.500V............: 1.5
ICH Core…………...……1.100V...........: 1.2
Quote:
Originally Posted by 512x9
CPU Vcore….………................................ .: 1.43175
CPU Termination…..... 1.200V*...............: 1.36
CPU PLL…………………....1.500V*.......: 1.57
CPU Referen.…………....0.755V*...........: .76

MCH/ICH
MCH Core…………….....1.100V...........: 1.38
MCH Reference….…….0.800V.............: .70
MCH/DRAM Ref.…......0.900V...............:
ICH I/O……………….....1.500V.............: 1.5
ICH Core…………...……1.100V...........: 1.2
Quote:
Originally Posted by 500x8.5
CPU Vcore….………................................ .: 1.3625
CPU Termination…..... 1.200V*...............: 1.3
CPU PLL…………………....1.500V*.......: 1.5
CPU Referen.…………....0.755V*...........: .76

MCH/ICH
MCH Core…………….....1.100V...........: 1.32
MCH Reference….…….0.800V.............: .74
MCH/DRAM Ref.…......0.900V...............:
ICH I/O……………….....1.500V.............: 1.5
ICH Core…………...……1.100V...........: 1.2
Quote:
Originally Posted by 400x8.5
CPU Vcore….………................................ : 1.2000
CPU Termination…..... 1.200V*...............: 1.2125
CPU PLL…………………....1.500V*.......: 1.25
CPU Referen.…………....0.755V*...........: .76
CPU Reference2………,,0.800V*...........:<<< .67% Of Vtt

MCH/ICH
MCH Core…………….....1.100V...........: 1.2
MCH Reference….…….0.800V............: .76
MCH/DRAM Ref.…......0.900V..............: .9
ICH I/O……………….....1.500V............: 1.5
ICH Core…………...……1.100V...........: 1.1
No Changes Here or at 400x9
Quote:
Originally Posted by 500x9
CPU
CPU Vcore….………................................ .: 1.4
CPU Termination…..... 1.200V*...............: 1.32
CPU PLL…………………....1.500V*.......: 1.5
CPU Referen.…………....0.755V*...........: .74

MCH/ICH
MCH Core…………….....1.100V...........: 1.34
MCH Reference….…….0.800V.............: .72
MCH/DRAM Ref.…......0.900V...............:
ICH I/O……………….....1.500V.............: 1.5
ICH Core…………...……1.100V...........: 1.2
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post #4567 of 21186
Quote:
Originally Posted by grishkathefool View Post
I don't start messing with Ref's till my FSB is over ~450MHz and/or my vTerm gets up around 1.3 or so.
Thanks grishka. As always, that's exactly the kind of plain and simple answer I was looking for.

Since 440 is tops for me with this ram I'll focus on vcore and MCH...
 
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post #4568 of 21186
Quote:
Originally Posted by lowkickqop View Post
Does anyone know why I can get stable at 4.0ghz at 1.30 and stable at 4.20 at 1.35 and then i try to go higher and it fails so i return everything back to what it was at when it was stable and now it's no longer stable anymore. I loaded optimized defaults and entered everything back in to the settings when it was stable. So do I have to reset the cmos and take the battery out for 5 mins?

Anyone have any advice for my overclock. Trying to get stable at 4.20ghz The only changes I have made are:
442 fsb
1.35v core
northbridge 1.4v
Ram is at 5-5-5-15
333
2.40B
pci 100
Sorry, low, it forgot to answer you.

Fill out an MIT Form (link in my sig) so that we can see the complete picture. Post the results as a QUOTE, it makes it easier to read.
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post #4569 of 21186
Quote:
Originally Posted by lowkickqop View Post
Does anyone know why I can get stable at 4.0ghz at 1.30 and stable at 4.20 at 1.35 and then i try to go higher and it fails so i return everything back to what it was at when it was stable and now it's no longer stable anymore. I loaded optimized defaults and entered everything back in to the settings when it was stable. So do I have to reset the cmos and take the battery out for 5 mins?

Anyone have any advice for my overclock. Trying to get stable at 4.20ghz The only changes I have made are:
442 fsb
1.35v core
northbridge 1.4v
Ram is at 5-5-5-15
333
2.40B
pci 100
If your oc fails and throws everything off, F7 isn't always enough bro.

Clear your CMOS by either removing the battery for a few minutes (5-15) or shorting them by touching a metal object (screw driver or butter knife) to the pins. They are two exposed pins to the bottom right of the board. *The manual shows you.*

Unplugged. Press start button for 20 seconds-- to discharge. Open case and ground yourself by touching the metal back. Hold metal object on the pins simultaneously for like 20 seconds. Button up. Plug in. Start. Load Optimized Default Settings in bios. Go from there.

Clearing CMOS isn't always needed after a failed attempt but sometimes it is.
 
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post #4570 of 21186
I have noticed that with our boards, simply turning off* and unplugging the PSU and Power Button Discharging clears the CMOS. I have never had to pull the batter or short the pins.

Am I wrong or under the wrong impression? Has anyone else noticed this?


*my PSU has an on/off switch on it
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