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Thread: ATI 4850/4870 voltmod thread

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  1. #11
    Xtreme Member
    Join Date
    Feb 2007
    Posts
    167
    so i got a hold of another 4850 to pencil mod (AND NO I DID NOT BLOW MY FIRST ONE, I SOLD IT TO MY COUSIN - STILL RUNNING STRONG 900/1225 1.41 VGPU, 2.07 VMEM), this time i couldn't get the resistor to read under .8 for vgpu, and i kept scratching the top of it so eventually it wouldn't go under .90, then i penciled the pcb b/t the points shown on the pencil mod diagram and got that from stock 5.06 resistance down to 3.40.

    so w/ the resistor at 1.0 and the resistance b/t the points at 3.4 i decided to boot up the comp, vgpu was at 2.05. (that was my mistake, but card is still ok).

    shut it off immediately and had 1.0 on the resistor, then had 4.5 b/t the points, vgpu is 1.47 under load, haven't tested out ocing the 4850 yet since i am trying to get this 3110 cpu to hit 3.9 stable but i think i got a crappy one.
    Last edited by zbomb5610; 08-11-2008 at 09:12 AM.
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