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OCN's V'mod Squad's, Volt Mod Essentials! - Page 97

post #961 of 1500
can't see any pic...
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post #962 of 1500
Thread Starter 
Quote:
Originally Posted by tomekk600 View Post
I don't respond earlier because i though that my friend resolve this problem. He told that I Should solder the RT/EN pin to ground. Resistance this pin to ground is 34,5 kohm. I set it to 3 kohm. I try to pass 3dmark 2003 at clocks 1000/2000/1300 gpu/shader/mem and gpu voltage 1,35 but black screen doesn't leave me. are you sure this is fault OCP?

picture:

Picture not loading.

Bringing RT pin down to 10-20K should fix OCP. Maybe you could try adding some more caps.
    
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post #963 of 1500
Interesting. At first I couldn't see the picture, but now I can. o.0

does this work for everyone?

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post #964 of 1500
If you get 0.1v and black screen that only a power-cycle will fix.. then it is most definitely OCP that you are experiencing. I seriously doubt that the IC has a programmed OVP limit set sooo low, or even has OVP capabilities at all... the only solution is lowering the resistance more, or finding another 'workable' OCP mod point.

*pics working today looks like.
post #965 of 1500
Quote:
Originally Posted by CL3P20 View Post
If you get 0.1v and black screen that only a power-cycle will fix.. then it is most definitely OCP that you are experiencing. I seriously doubt that the IC has a programmed OVP limit set sooo low, or even has OVP capabilities at all... the only solution is lowering the resistance more, or finding another 'workable' OCP mod point.

*pics working today looks like.
thanks for make me sure that is certainly OCP.RT pin doesn't work. i lowered resistance on this pin from 34,6 kohm to 3kohm and problem still exist. Any idea?

Pizzaman - cap-mod? How can it help me with ocp? I have some caps for gpu cap-mod.
post #966 of 1500
Thread Starter 
Caps can help filter the signal which will help lower oscillator frequency which is what causes OCP to trip. You can piggy back the existing caps from the back of the board.
    
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post #967 of 1500
Just saw this thread the first time

Even that 4830/4850 isn't that "hot" GPU anymore I thought I could share some information. So this is vGPU mod (IIRC it might also increase vMEM) for Asus EAH4830 and EAH4850. These are non-reference boards. Of course works also with pencil.

The picture isn't mine, author's name on it.

And the post I first posted about this on OCN.

Edit: Oh this was a repost... Didn't notice the pictures for these non-reference boards at the first time I looked the first post.
Edited by AmgMake - 9/23/10 at 12:26pm
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post #968 of 1500
Quote:
Originally Posted by PizzaMan View Post
Caps can help filter the signal which will help lower oscillator frequency which is what causes OCP to trip. You can piggy back the existing caps from the back of the board.
thanks for this information.i know what to do cap mod

caps I only have - jackcon 2200 qf 6,3v

can I use this?
Edited by tomekk600 - 9/23/10 at 12:41pm
post #969 of 1500
Thread Starter 
Quote:
Originally Posted by tomekk600 View Post
thanks for this information.i know what to do cap mod

caps I only have - jackcon 2200 qf 6,3v

can I use this?
So long as you put them on the output phase, yes, Don't use them on the input phase(16v caps).
    
CPUMotherboardGraphicsRAM
E8400, E8600, 980BE T2RS+, P5E3, TA890FXE 8800GTS's,GTX's,GS,Ultra's,9600GT Lots of D9's and some crap DDR3 
Hard DrivePowerCase
Seagate 250GB + 80GB WD for benching TT 875w, Corsair 650TX Custom bench station 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
E8400, E8600, 980BE T2RS+, P5E3, TA890FXE 8800GTS's,GTX's,GS,Ultra's,9600GT Lots of D9's and some crap DDR3 
Hard DrivePowerCase
Seagate 250GB + 80GB WD for benching TT 875w, Corsair 650TX Custom bench station 
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post #970 of 1500
I come in to the core issue. I don't know what i didn't check it earlier. When black screen catch me not only gpu voltage drop. v-mem also. I dare say that something disconecting reinforcement on all over that vga.
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