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OCN's V'mod Squad's, Volt Mod Essentials! - Page 79

post #781 of 1500
Quote:
Originally Posted by Voltage_Drop View Post
When you are measuring resistance of a card you should have it out of the PC when you do so with no power. Never try to measure a resistor with power applied to it. It is the horseshoe symbol(represents ohms) on your DMM

When measuring voltage you need to pick a good ground point (black terminal) such as your case, VGA bracket, or PSU. Set your DMM to 20V ---DC and touch the positive (red terminal) to the point you are measuring. Always keep a steady hand when measuring your cards voltage because one slip of the hand and it could be devastating.

It is not quite a guide but it should give you the general idea. Good Luck!
Just what I was looking for, thank you. I do need to have the card powered up to measure voltage though, right. I think I just answered my own question.
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post #782 of 1500
Thread Starter 
Quote:
Originally Posted by NoGuru View Post
Just what I was looking for, thank you. I do need to have the card powered up to measure voltage though, right. I think I just answered my own question.
    
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post #783 of 1500
Just got my 5770 back from RMA, if anyone on vMod squad wants it, 100$ plus shipping
post #784 of 1500
Just ran across this datasheet for the up6213 voltage controller found on the VaporX and Toxic Editions of the 5850. I believe it used on the 5870 Toxic and VaporX editions as well. Didn't see it posted in the IC list so figured I would donate it. Attached as pdf.
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post #785 of 1500
If measuring Voltage then the card needs to be running, if measuring resistance you do NOT want it on
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post #786 of 1500
Thread Starter 
Quote:
Originally Posted by Valafar View Post
Just ran across this datasheet for the up6213 voltage controller found on the VaporX and Toxic Editions of the 5850. I believe it used on the 5870 Toxic and VaporX editions as well. Didn't see it posted in the IC list so figured I would donate it. Attached as pdf.
Updated thx.
    
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post #787 of 1500
http://pdf1.alldatasheet.com/datashe.../W83L604G.html

... its the datasheet for the SMBus controller for the new 5870SOC
post #788 of 1500
Thread Starter 
No FB, what's the mod point?
    
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post #789 of 1500
no..its not a voltage controller.. its the system bus controller... allows voltages etc to be set/controlled via software.

*seems important because only ES cards are being released with this IC... so the spot on the PCB remains may be able to make a mod for the retail GPU's with this datasheet.
post #790 of 1500
Here is the Vmod for the Foxconn Katana [Non GTI], as well as the data sheet for the uP6203

Edited by Voltage_Drop - 5/10/10 at 8:45pm
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|Tech Station| 
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