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View Full Version : 9800 GT OCing problems?

aaathreat
04-23-09, 03:49 PM
I bought the card about a month ago and I felt it was time to OC it but I can't even get to 700/1723 mem 983 with out my games crashing ive read of them being OCed way past 700?

Im using the latest Nvidia drivers maybe thats the problem?
hinderpits
04-23-09, 03:52 PM
what are you using to oc the card? (what program)
aaathreat
04-23-09, 03:53 PM
Crap forgot to mention that im using Rivatuner V2.24.
EarthDog
04-23-09, 03:56 PM
What PSU do you have? System specs, ANY would be helpful. :)
turbohans
04-23-09, 03:57 PM
Yea those cards seem to run outta steam before they overheat. I have mine set at 666/1674/950 and thats about as far as I can push it even though it dont really break 70c (think 100c is max)
aaathreat
04-23-09, 03:57 PM
Its a Core 2 Duo E6700 I believe, its been OCed to 3.1ghz.
EarthDog
04-23-09, 03:58 PM
Its a Core 2 Duo E6700 I believe, its been OCed to 3.1ghz.PSU= POWER SUPPLY.
aaathreat
04-23-09, 04:08 PM
ffs lol I read your post to quickly sorry man emm its a 400W gentek I think.
EarthDog
04-23-09, 04:41 PM
LOL... no biggie...

Can you take a pic of the sticker on the side of it showing its 'specs' and post it? Or at least read how many amps it states are on the 12v rail?

Also, list specs like in my signature. Im concerned this *may* be a power supply issue. As I have never heard of that brand and dont know its OEM maker.
aaathreat
04-23-09, 05:24 PM
Right ta man ill do that tomorrow, im pretty sure its a 12v PSU though.
||Console||
04-23-09, 06:15 PM
It will for sure have a 12v but what he wants to know is how manny Amps you have in that 12v rail .
Zhut
04-24-09, 11:41 AM
I use an EVGA 9800GT and the latest drivers for it. 750/xwhatever shader is when its linked/mem 1100 with no problems gaming and 3Dmark. The game I play is EQ so prob not too graphic intensive though.

I first used Rivatuner but I found I like EVGA Precision better. The fan controller keeps it nice and cool.
jason4207
04-24-09, 01:01 PM
The 8800GT and 9800GT are basically the same card. I had the 8800GT, and to get the high 700+ clocks I had to mod the BIOS for slightly more voltage.
EarthDog
04-24-09, 02:03 PM
Bascially? They are the same card aside from the bios.
Special7
04-24-09, 03:03 PM
My 8800GT runs out of steam past 730mhz on the core, shaders aren't stable past 1763mhz and mem goes like an extra 20mhz before it craps out. It's not to bad though, the oc helps a lot.
hinderpits
04-24-09, 03:08 PM
My 8800GT runs out of steam past 730mhz on the core, shaders aren't stable past 1763mhz and mem goes like an extra 20mhz before it craps out. It's not to bad though, the oc helps a lot.

my last card, and msi 8800gt had nearly identical performance that you mentioned
||Console||
04-24-09, 06:26 PM
On my 8800gt I had I did the bios mod and it was on water but i ran @ 740/1800/1000 24/7 for months
jason4207
04-28-09, 01:10 PM
Bascially? They are the same card aside from the bios.

Well, the name is different. And I believe the RAM chips are different. So, they are basically the same.
EarthDog
04-28-09, 02:29 PM
Obviously the name! LOL

And the ram is different insdie 8800gt's depending on release. Its the same pcb, same core, same clock speeds. If the ram was significantly different (say samsung vs qimonda as opposed to 1.2ns vs 1ns), the flashes wouldnt work at nearly the rate it does.
jason4207
04-28-09, 03:02 PM
Here's to splitting hairs!

:beer:
aaathreat
04-30-09, 09:18 PM
http://jeantech.com/400.htm

Thats the PSU I have in my system.
aaathreat
05-12-09, 10:52 AM
Right I went and bought a 550 Watt PSU and thought this might solve my problem but I still can OC past say 690 without my games crashing? Anyone got any ideas?
Special7
05-12-09, 02:54 PM
Some cards just don't oc to well.
jason4207
05-12-09, 03:03 PM
Right I went and bought a 550 Watt PSU and thought this might solve my problem but I still can OC past say 690 without my games crashing? Anyone got any ideas?

The 8800GT and 9800GT are basically the same card. I had the 8800GT, and to get the high 700+ clocks I had to mod the BIOS for slightly more voltage.

Did you look into adding more voltage via the card's BIOS?

Also, did you unlink the shaders to see what each component can do on its own?
aaathreat
05-13-09, 11:21 AM
Yes mate ive tried adjusting each different component and its still the same, its funny because when I run ATI tool stress test I can leave it over 700 for over an hour with NP but when I try playing a game it just crashes.

Also ive installed Furmark and left that running with NP

http://i20.photobucket.com/albums/b212/craigk98/furmark_000001.jpg

http://i20.photobucket.com/albums/b212/craigk98/furmark_000000.jpg

How easy it to up the voltage on the 9800?