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OCN's V'mod Squad's, Volt Mod Essentials! - Page 58

post #571 of 1500
Quote:
Originally Posted by lbassa View Post
I try 1.425 in GPUTool to 1Ghz on GPU no sucess
like i said, is that 1.425 on idle or on load? because the guy who pencil modded his 4890 in this thread had to increase his volts to 1.455 on load to get to 1ghz.
post #572 of 1500
alright, hadnt used the iron today, so decided it was time i needed to, so went ahead and completed the ocp mod, the rest of it all went well and is all complete, it is hopefully working, havnt tried above ocp trigger point yet, so will try sometime when i can be bothered lol

the card is a mess on the back, but i have decided function > aesthetics, but have ordered a can of that spray on liquid tape anyway, will probably spray it over a lot of the modded area to neaten things up a little, i will have pics of the card sometime, it doesnt look as bad as some mods ive seen though, so not really worried



edit: PICS, well, actually PIC, but yea



Edited by 1156 - 2/7/10 at 10:20pm
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post #573 of 1500
Thread Starter 
Quote:
Originally Posted by CL3P20 View Post
Just piggy-back them...benefits are still there and its much faster/easier.


Previously on water, my limits with the card were as follows:

GPUv mod- 815mhz core
output caps- 835mhz core
input+output caps- 855mhz core
inductors+input+output caps- 875mhz core

...voltage has been left at 1.35v idle...adding the inductors as stated above, increased load voltage from 1.38-> 1.42v.


** More for the OP- GTX285 gpuv and ocp mods


IMO- OCP mod is providing huge gains in stability, without GPUv adjustments... kinda spells 'capacitance issue' to me. All of these premium GPU's have pretty solid power phases... but lack input capacitance something fierce I mean, really... 4x input caps for a 8x phase+ PCB..
I'll get this updated soon. Got some PMs coming with more v'mods to. So many people willing to contribute.

Took me a min to get the 285 mod, but I see you have to add resistance instead of lower resistance for the vGPU. As for the OCP...I agree, looks like low capacitance kicking up the oscillator frequency causing OCP to cutdown the card. Get's me thinking. All these cards with these frequency switching limitations. These high frequencies must be really bad for the GPU.

I'm having trouble removing inductors from old boards. Though, I've yet to play with this 45w iron. I reallly need to get off the forum and spend what little time I have on my preping my loop. Hope to be pluggin my irons in by next weekend and get these 96GTs some better filtered power signals.

EDIT: oh and I was testing for my blue belt not brown.

Double edit: My care-pack arrived today CL3P20. You put some inductors in here for me. Lots of mounting goodies to. Fans grills and misc goodies that look like they will come in handy during my loop rebuild. uber thx man. CL3P20 is tha BOMB!!!!
    
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post #574 of 1500
Quote:
Originally Posted by kpopsaranghae View Post
like i said, is that 1.425 on idle or on load? because the guy who pencil modded his 4890 in this thread had to increase his volts to 1.455 on load to get to 1ghz.
HI,i managed 1ghz using 1.455v under load.
The pencil mod i did was done to the board model number ending in ZDFL.

The pencil mod will not work for other variations of the board as it appears xfx made quite few types of non ref black 4890 boards.

I can set my clocks to 1ghz no probs but its not crysis stable,i run crysis at 950 and it WILL NEVER lock up,its solid as a rock at 950.
I have also applied IC Diamond 24 Carat Thermal Compound which is 5 times more thermaly conductive than silver,changed the memory thermal pads for some better quality pads from a sapphire ati hd and edited teh bios so the fans are more active and dont let temps ever go above 73 degrees.

Another BIG thankyou to PIZZAMAN and tha dOctor for pointing me in the right direction.


Edited by superj1977 - 2/10/10 at 8:56am
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post #575 of 1500
Quote:
Originally Posted by superj1977 View Post
HI,i managed 1ghz using 1.455v under load.
The pencil mod i did was done to the board model number ending in ZDFL.

The pencil mod will not work for other variations of the board as it appears xfx made quite few types of non ref black 4890 boards.

I can set my clocks to 1ghz no probs but its not crysis stable,i run crysis at 950 and it WILL NEVER lock up,its solid as a rock at 950.
I have also applied IC Diamond 24 Carat Thermal Compound which is 5 times more thermaly conductive than silver,changed the memory thermal pads for some better quality pads from a sapphire ati hd and edited teh bios so the fans are more active and dont let temps ever go above 73 degrees.

Another BIG thankyou to PIZZAMAN and tha dOctor for pointing me in the right direction.
I cant get no props I thought we was cool?

Anyways I just ordered 3 of these for some SLI 2 for SLI on one rig and another one to add to my other 8800GT for my wifes rig. Man I cant wait for them to come in Are these cheap or what

http://www.newegg.com/Product/Produc...82E16814143118
Edited by Voltage_Drop - 2/8/10 at 11:02am
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post #576 of 1500
Thread Starter 
Quote:
Originally Posted by Voltage_Drop View Post
I cant get no props I thought we was cool?

Anyways I just ordered 3 of these for some SLI 2 for SLI on one rig and another one to add to my other 8800GT for my wifes rig. Man I cant wait for them to come in Are these cheap or what

http://www.newegg.com/Product/Produc...82E16814143118
It's about damn time they put a good price tag on some 88GTs. Go BFG! They've should've dropped below $100 a long time ago.
    
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post #577 of 1500
[quote=Voltage_Drop;8418811]I cant get no props I thought we was cool?

Anyways I just ordered 3 of these for some SLI 2 for SLI on one rig and another one to add to my other 8800GT for my wifes rig. Man I cant wait for them to come in Are these cheap or what



Holy shi$e im sorry i forgot everyones names,got it all wrong it was you that actually helped me through 90% of the way,im a dumb ass with names sometimes,sorry.

Anyway the card is still performing so well,im more than chuffed still.

Thanks again voltage drop!

Absolutley not even 1 problem since pencil mod its been well worth doing.
Its just egged me on more to buy extra bits for my pc and crysis warhead has never been this good
Edited by superj1977 - 2/10/10 at 8:56am
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post #578 of 1500
Quote:
Originally Posted by superj1977 View Post
HI,i managed 1ghz using 1.455v under load.
The pencil mod i did was done to the board model number ending in ZDFL.

The pencil mod will not work for other variations of the board as it appears xfx made quite few types of non ref black 4890 boards.

I can set my clocks to 1ghz no probs but its not crysis stable,i run crysis at 950 and it WILL NEVER lock up,its solid as a rock at 950.
I have also applied IC Diamond 24 Carat Thermal Compound which is 5 times more thermaly conductive than silver,changed the memory thermal pads for some better quality pads from a sapphire ati hd and edited teh bios so the fans are more active and dont let temps ever go above 73 degrees.

Another BIG thankyou to PIZZAMAN and tha dOctor for pointing me in the right direction.
but the performance difference between 950 and 1000 is huge... probably at least 5% or something around there (since i cant remember the number in the review i read) so even with that voltage u can only get 950/1000 like rock solid? man i mean that is a pretty big increase in voltage too :[ now im worried how mine will go ><
post #579 of 1500
Cooling also plays a big difference in the clocks a card can handle, the cooler the card, the higher the clocks.
    
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post #580 of 1500
Quote:
Originally Posted by FtW 420 View Post
Cooling also plays a big difference in the clocks a card can handle, the cooler the card, the higher the clocks.
well high chances are that i am going to be using stock cooling so yeah. but i think anything under 85 C on load is pretty good... right?
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