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OCN's V'mod Squad's, Volt Mod Essentials! - Page 129

post #1281 of 1500
Thread Starter 
Quote:
Originally Posted by DOM. View Post

So anyone wanna mod my cards tongue.gif
I've got a few cards that I wanna mod but been so long since I done one
but my biggest worry is my 1 yr old she's always in my business lol
Do the caps help get higher clocks or are they to make the card nor stable ?

Hey Dom, I just quit my job. So I'm interested in taking on some mod jobs, as I have some extra time on my hands again. Send me a PM with your VGA details and we can work something out.

Cap mods are more of a finesse mod to the card. They can help, but it really depends on the card in question, as to how much it actually helps. A lot of times it might just mean squeezing 25-50Mhz extra, but depending on where you are with the OC, that might be what you need to get that extra placement out of your score. With some cards it can help with power delivery to the GPU or memory, and with others, having extra caps doesn't really offer more power, but serve to smooth the power ripple or noise from the voltage being delivered to the component.
    
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post #1282 of 1500
You can do inductor mod as well if the card has weak power delivery! It will help with noise and heat I can mod too =]
post #1283 of 1500
is it possible to voltmod a laptop?
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post #1284 of 1500

sometimes yes.. but not always wise. The circuitry is weak as it is.. start adding strain to it, and things can go 'poof'

 

 Are you already at a voltage limit with your OC?

post #1285 of 1500

New one for the list... still in the works of verifying.. but looks promising soo far biggrin.gif

 

**Gigabyte Z77-N Wifi - ITX mobo

vcore mod = 

 

 

ISL95836_Datasheet_FN7835.pdf 2,082k .pdf file

 

 

http://www.overclock.net/t/1316594/gigabyte-z77n-wifi-h77n-wifi-no-voltage-control/0_40#post_18403846

post #1286 of 1500
GTX 680 Lightning vGPU Mod



I used a 500ohm VR but a 100ohm VR would actually be a little better

\
completed


completed. close-up of mod point (right-click picture --> view image for full size)
Edited by michaelrw - 10/29/12 at 5:20pm
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post #1287 of 1500
I've got a MCP67M-A2 (7150M) and I've been playing around with it a lot got a vga bios mod on it for 0.86v in 2d from 1.1v and 555Mhz from 425Mhz in 3d and it's limited to 1.2v since anything beyond 1.2v doesn't yield any more overclock. It shouldn't be too hard to figure out which chip will increase the 3d voltage above 1.2v right? I pencil modded my 4850 and it's stable at 800Mhz from 700Mhz so I figured it's not hard just gotta know which one to mod.

Thanks

IMG_20130115_050923_zpsf7792c23.jpg
IMG_20130115_051235_zps13df8e3b.jpg
Edited by chris89 - 1/15/13 at 3:36am
post #1288 of 1500
I want to chime in about the 8800gtx vMod... It is possible to vmod an 8800 series GPU via BIOS. Follow Phanbuey's Bios Table Mod Guide instructions in this gtx 260 BIOS vmod guide, halfway down the page...

http://www.techpowerup.com/forums/showthread.php?t=66296

Its as simple as that, really. Stock is 1.3, no need to possibly ruin your card.



UPDATE: This technique doesn't actually work. It just changes the cards reported voltage, not the physicial voltage... Learning experience tongue.gif
Edited by SwishaMane - 2/4/13 at 8:42am
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post #1289 of 1500
Quote:
Originally Posted by SwishaMane View Post

I want to chime in about the 8800gtx vMod... It is possible to vmod an 8800 series GPU via BIOS. Follow Phanbuey's Bios Table Mod Guide instructions in this gtx 260 BIOS vmod guide, halfway down the page...

http://www.techpowerup.com/forums/showthread.php?t=66296

Its as simple as that, really. Stock is 1.3, no need to possibly ruin your card.


from phanbueys guide
A quick guide to show how to use NiBiToR to adjust voltages using the voltage register function...

Requirements: GT200 with Voltera voltage regulators (all 65nm).


you should have stopped reading there 8800gtx uses primarion controller not volterra so you cant set voltages with software, no matter what.
    
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post #1290 of 1500
Weird, because my 8800gtx is flashed at 1.4v, as noted in picture, and actually at 1.49 right now. I havent physically measured the vGPU with a multi meter yet, but my stable OC went up a complete multiplier over stock voltage. 1.3vGPU is 648 core stable, 1.4vGPU gave me 675 core stable... So yes, as of now, my 8800gtx IS over volted via the BIOS... I just have to confirm by physically measuring it.

AND I know the guide is for G200 cores, I've got a gtx 260 C216 on the way for my 939 rig... I was curious, and followed the guide for my 8800, and it has worked... Dont care about any technicalities that may say otherwise unless the reported voltage is actually different the the physical voltage. Ill have to check.

EDIT: Ok, after taking my multi meter to the cards test points, i can confirm that my voltage is still stock, at 1.28vCore, so this technique I outline only changes the reported voltage.

Don't burn me at the stake for my learning experience... rolleyes.gif

Trying to understand why my max stable OC changed from 648 to 675 if the voltage doesnt actually change... ??
Edited by SwishaMane - 2/4/13 at 8:43am
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