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post #221 of 1336
Thread Starter 
nice nice can't wait to see the 8800gt temps with that open airflow design and some aftermarket cooling
post #222 of 1336
Yeah me neither. I wish I had a radiator a pump, and block for it though. Getting ready to lap the CPU and AC7 to try and gain some clock, my processor is holding me back in benches. And that should help me win some HW cups for team OCN!
Edited by Voltage_Drop - 12/4/09 at 9:30pm
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post #223 of 1336
Thread Starter 
lapping is def worth it I suggest it fullheartedly. a little tome consuning but if you try hard enough you can get it down right to the cores
post #224 of 1336
Quote:
Originally Posted by tha d0ctor View Post
should be adding some more soon, on a side not do you guys think 2.10 volts is too much for 24/7 on my vRAM, they're underwater around low to mid 30s idling at 2.1v

edit:

here is some more stuff:

PNY 8800GT (non-reference) OCP/OVP : before | after

8800GTS 320 or 640 (reference???):
vMEM | vGPU | vMeasure
If you're not sure about reference that's cool, but do you know brand?

updated!

Quote:
Originally Posted by tha d0ctor View Post
(5 attachments per post is killing me!!)

8800GTS (g80??) OCP mod: here
-image files says g92, believe it might be g80 though
-will edit with revision if incorrect or i find out more

8800GT Reference OCP Mod: here

GTX 275 Reference
: vGPU

I'll have another one for a single PCB gtx 295 soon to, its going ot be a bit more complicated though
8800GT ref OCP mod, but no vGPU or vMEM mod¿

Quote:
Originally Posted by tha d0ctor View Post
thanks for the advice, 2.1 should be good for now then, I had it at nearlt 2.2 for some benching and it got me 2280mhz which I wish incredibly impressed by I wonder if 2.25 or 2.3 will bring it even higher

pizzaman, I forgot to post this, excellent link about soldering SMRs and replacing IC's

http://www.infidigm.net/articles/solder/
Learned some stuff reading that.

Quote:
Originally Posted by FtW 420 View Post
Radeon x550, found a pic of what looked like a vgpu mod so I did it & it works

Vgpu
Updated the 8400GS, but need VR data for x550.

Quote:
Originally Posted by Voltage_Drop View Post
Got some more additions to the WAR Station! I would like to get some ideas from you guys to build the ultimate torture station. I plan on putting a little shelf on the bottom half to mount a bread board on it. You would be able to Vmod on the fly, with shutdown of course but you get the point. Just ordered a cooler and heat sinks for my 8800GT to try and lay down the law.
Id give you some data on the Vmod but Doc already covered the PNY nonref
8800GT

@Pizza-Tell me if you need me to research certain cards or IC's and Im on it.

Im not sure on where everyone is at and I dont want to flood you with duplicates as I know that you have just undertook a daunting task. +rep Pizza for making the OCN better than what it already is

Sorry forgot the Pix
I'm thinking just a simple list of IC's and a link to their data sheet. Maybe a short note to brands that use them.(optional)


Nice work gentleman!! First 24hrs and off to a good start.

Quote:
Originally Posted by PizzaMan View Post

Project: V'mod Essentials:

Part 1

-V'mod list:

NVidia GPUs:

GeForce 6200TC: GPU & MEM vMeasure

GeForce 8400GS ASUS: vGPU MEM

GeForce 9600GSO XFX non-reference PCB: GPU MEM vMeasure

GeForce 9600GT EVGA/PNY/BFG reference PCB: MEM GPU vMeasure Note: Ref designs most do a VID mod:Source1 Source2

GeForce 9600GT Galaxy non-reference PCB: GPU MEM vMeasure

GeForce 9600GT Zotac non-reference PCB (version A): MEM GPU vMeasure

GeForce 9600GT Zotac non-reference PCB (version B): GPU MEM

GeForce 8800GTS 320 or 640:vMEM | vGPU | vMeasure OCP

GeForce 8800GT XFX non-reference PCB: GPU MEM vMeasure

GeForce 8800GT PNY non-reference PCB: GPU MEM OCP/OVP: before | after

GeForce 8800GT reference PCB:OCP

GTX 275 Reference PCB: vGPU

ATI GPUs

2600Pro: MEM GPU

Intel Motherboards

nForce 750i and 780i EVGA: vDroop and vCore

nForce 750i ASUS: vDroop

X58 Foxconn Bloodrage: PCIE / Blk mod Switching SMR from 128 to 125 allows PCI bus over 103Mhz

Part 2

--How to guides $ FAQ:

-How to: v'mod a GPU: CL3P20's guide

-How to: use a DMM:

-How to: use a soldering iron: SMD Soldering Guide

-FAQ Capacitors:




Data sheet links:
www.alldatasheet.com
www.datasheetarchive.com
www.data-sheet.net
    
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post #225 of 1336
Thread Starter 
Pizza for all the missing brands I'd say EVGA is a good bet (ocp, and the 8800 gts's), they ususally follow reference to a T.

as far as the vmem and vgpu for the 8800gt go (the reference one) you can reger to the 8800gt volt mod and vmem present in Cl3P20's original volt mod tutorial seeing how those are reference 8800gts as well.

I liked that tutorial a lot, It also made me want to go out and get a desoldering sucker tool among other things, I still don't think I'll be chaning vmem IC's any time soon but I definately will be using smrs
post #226 of 1336
Quote:
Originally Posted by tha d0ctor View Post
as far as the vmem and vgpu for the 8800gt go (the reference one) you can reger to the 8800gt volt mod and vmem present in Cl3P20's original volt mod tutorial seeing how those are reference 8800gts as well.
I think I got it fingured out now.
    
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post #227 of 1336
Quote:
Originally Posted by tha d0ctor View Post
I wonder if 2.25 or 2.3 will bring it even higher
http://www.infidigm.net/articles/solder/
Careful over 2,35-2,4!The chips get TOO HOT!!!


Alright i got my 2400PRO for 13 euros...I got there but the 8600gt was sold so i HAD to get something!!!
Its DDR2 800MHz rated for 1,8 volts so it will get more that 2.3!!!Gonna test it on stock,i already have found the v mods and then i ll put my half dead MUSASHI and strap it on.It will definatelly do better job than the POS cooler!

SO FAR SO GOOD!
Stable stock voltage
FROM->600/800 TO->770/1062!!!
I also put on my MODIFIED MUSASHI!
1 heatpipe was broken so i thought i d remove it and use the cooler with only one pipe!After all ,it would be much better than the stock.
Temps went down
FROM->46/63 TO -> 35/43!!!

All in all i OCed the core 28% and the mem 31,5%!!!
3dmark 06 went from 3335->4385!!!31,1%!!!COOL HA!

I am about to put some trimmers on!!!Will keep u posted!




Edited by theo.gr - 12/5/09 at 7:26am
    
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post #228 of 1336
Nice find theo! I cant wait to get my hands on an older card. +rep for supporting the cause.

@Pizza-I have been trying to remember from recollection which pins were for Vgpu but anything I would say would just be a guess. I sold the card last week and dont have it anymore to verify my guess. The brand of the card is Visiontek and I believe it is a non reference board but needs verification. Ive said it before but this is a nice guide you are collaborating, very nice, +rep Pizza.
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post #229 of 1336
Thread Starter 
way to go thero, I wish I had a local source to pick up old card and volt mod them but when I find some on craigslist Its usually a pretty long driver, either was I have a brokeen 8800gt coming in monday (I hope) that just need a quick mofset solder job (it broke off cause the guy used glue instead of thermal adhesive... seriously) and broken 8800gts (something wrong with caps or an inductor) and an 8800gtx from an ebay auction!
post #230 of 1336
@Doc- by now should have enough spare parts to build a couple 8800's. You are going to have that series down. Are they 92 0r 80's?

Since I dont see the 260GTX on the list I guess I can do some research on that one I will locate the IC data sheets and do the mesurements, take pix etc...
Edited by Voltage_Drop - 12/5/09 at 8:54am
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