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Looking For Abit AB9 Quad GT Volt Mods For Extreme Overclocking

post #1 of 16
Thread Starter 
Whats Up OCN? been a while, glad to be back!

Was wondering if anyone coud help me with a problem? I just bought a nice new old stock Abit AB9 Quad GT motherboard and about a half dozen Cedar Mill Celeron D's with the intent to start my extreme cooling adventures.

I would like to fully volt mod the motherboard before I permanently insulate the motherboard with conformal coating as this motherboard will be only used for LN2/DICE/Phase cooling and benching.

I've already found the vdimm and vmch mods, but all of the pictures I've found regarding vdroop and vcore mods have been taken down, specifically the thread on BlzngPC by PlUg* and one over at XS by Johnny Bravo.

If anyone has knowledge of mods/pictures for this old motherboard, or can contact Johnny Bravo over at XS, I would greatly appreciate the help!

Anyways Thanks Again!

Oh BTW: Here is the Datasheet for the V-reg on this board if we have any electronics engineers out there, I personally don't know much about digital power supply's such as the one found on this board.
: http://wenku.baidu.com/view/2446ed66...102d2206f.html

Edited by Bolt_Thrower_ - 6/3/11 at 8:08pm
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post #2 of 16
From what i see here:
http://www.neoseeker.com/Articles/Ha..._quadgt/2.html

You may want to look around for an AB9 Pro Motherboard mod as well, as the two boards are identical.

Upon Further googling, Ive found this VMOD thread...
http://forums.vr-zone.com/the-overcl...quad-gt-2.html

along with a AB9 Pro Vmod thread, which should work, just check the IC numbers,
http://www.xtremesystems.org/forums/...d.php?t=112721

There you go!
    
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post #3 of 16
Thread Starter 
Quote:
Originally Posted by MR KROGOTH View Post
From what i see here:
http://www.neoseeker.com/Articles/Ha..._quadgt/2.html

You may want to look around for an AB9 Pro Motherboard mod as well, as the two boards are identical.

Upon Further googling, Ive found this VMOD thread...
http://forums.vr-zone.com/the-overcl...quad-gt-2.html

along with a AB9 Pro Vmod thread, which should work, just check the IC numbers,
http://www.xtremesystems.org/forums/...d.php?t=112721

There you go!
Thanks for the reply! But the link you posted at VRz dosn't show any pictures of the V-Mods i require, and the AB9 Pro has a completely different V-reg layout, analog vs digital on the Quad GT. Thanks for trying though!
Edited by Bolt_Thrower_ - 6/3/11 at 8:36am
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post #4 of 16
Thread Starter 
Took a pic of the VRM area today also if anyone has any ideas where to start with this.

Also I noticed in that data sheet that there is a way to control the switching frequency of the VRMs via a resistor. I was wondering if a mod to increase the switching frequency would help me with the overall overclocking frequency stability, or if its even worth it, as Im not sure of the actual frequency of VRMs. I have heard that increasing the freq. of the vrms on newer motherboards such as the x58 EVGA MBs with digital VRMS, and even with the DRmos vrms on my X-power, helps with increasing overclocking stability. I also heard that increasing the freq. increases the heat output, but as im buying liquid cooling blocks from MIPS, and will be cooling the NB and VRMS with a Chilled liquid cooling loop I don't think I'll Have an issue with cooling.

Edited by Bolt_Thrower_ - 6/3/11 at 8:25pm
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post #5 of 16
Bump.
post #6 of 16
Thread Starter 
Does anyone here have an account at XS? It would be great if someone could get in touch with Johhny Bravo to see if he still has the pics of the mods he did for this board, or point me in the right direction.
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post #7 of 16
vdroop


pllv


vtt
post #8 of 16
Thread Starter 
Had me excited for a minute there!.. Those Volt Mods are for the IX38 QuadGT The mods I'm looking for are for the AB9 Quad GT While the two boards are very close the circuit layout is different.Thanks for trying though!

Here is the original thread where Johnny Bravo posted the mods. Specifically post #21
http://www.xtremesystems.org/forums/...d.php?t=133304
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post #9 of 16
it doesnt matter what mobo its for.. I believe those IC's are the same which makes the mods the same regardless. They may not locate to the same spot physically..but they trace tot he same pin on the IC..which is all the matter.. you can find FB on a resistor yourself once you know what pin to tone from.
post #10 of 16
Thread Starter 
There are a few MBs that use the same PWM chip but how can you be sure the Vdroop is the same? Don't get me wrong I appreciate all the help I can get, and you seem to be a well respected member, but I just want to be sure.

My board:


X38 QuadGT:

Edited by Bolt_Thrower_ - 6/5/11 at 3:59pm
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