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Very small 9800pro OC, is it normal?

R

rcf1987

2[H]4U
Joined
Aug 9, 2004
Messages
3,759
My 9800pro has a VGA silencer rev. 3 on it and it is only able to OC to a 400 core this is the first time I have ever tried an OC and I have never had any problems. It is a r350 core but still is that normal. I don't OC the memory because there are no ramsinks on it don't wanna damage anything. I don't have anything in the area of AS5 or a crappy equal so I would have to buy some if you think I should reapply the heat goop.
 
I had a 9800 Pro too and I was hard pressed to even get 400 MHz out of the core, and hardly jack out of the ram. I don't think these ever overclocked well in the mainstream....I was using stock cooling, but nevertheless, that was my experience as well as that of a few other people I know, so I think that's pretty normal.
 
I used two different 9800 cards in the past. One was a pro that only OCed to 396MHz. The other was a nonpro that OCed to 420MHz. It is just luck of the draw. Also, make sure your silencer is actually touching the core. I used one that didn't have the reief cut for the core and thus never made good contact (until I modified it).
 
Try checking on the net for instructions on how to volt mod your card. This requires fairly good soldering skills to do. It involves installing a pot on the card to adjust the Vcore of the GPU. Got me about 50mhz more out of my 9800 when i did it. When I moved that card to another computer I reflashed the Bios to stock and removed the pot. Still works perfect to this day. Just be careful with the voltages! I think 1.9V or so is about the limit on air.

Rick
 
R350 cores often couldn't hit 412MHz, the default XT speed. That's why they needed the necessary revisions for R360.
 
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