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Power issues with a 9800Pro

960 Views 12 Replies 7 Participants Last post by  |2A|N, 
S
Very strange. My system was working fine. Then after some hardcore hl2'ing, started to get a bit of tearing. Crap! Clock the video card down to stock specs... hl2 again... bam, get some tearing. Thats wierd. Then suddenly, in one flash, my computer looks like its on an acid trip, flying colors everywhere and general fuzzyness. Quick, restart computer! dont wanna fry anything! Wait... getting the same even when booting up... that when a realize this cant be a software thing. So to make a long ass strory short, i realize that as soon as i put the video card on its own dedicated power line, it works fine. Any other items, such as hd's, dvd burner etc, and itll crap out like this. Now my question is why? My power supply is a Ultra 500watt, voltages are all within spec, in fact almost bang on. I refuse to believe that a video card requires THAT much power, im scared to run even fans on that rail else my gpu'll crash! ok, ive got a couple fans on it but still, shoudl be able to take more than that. wahts the dealio?
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A
Quote:


Originally Posted by Silum

Very strange. My system was working fine. Then after some hardcore hl2'ing, started to get a bit of tearing. Crap! Clock the video card down to stock specs... hl2 again... bam, get some tearing. Thats wierd. Then suddenly, in one flash, my computer looks like its on an acid trip, flying colors everywhere and general fuzzyness. Quick, restart computer! dont wanna fry anything! Wait... getting the same even when booting up... that when a realize this cant be a software thing. So to make a long ass strory short, i realize that as soon as i put the video card on its own dedicated power line, it works fine. Any other items, such as hd's, dvd burner etc, and itll crap out like this. Now my question is why? My power supply is a Ultra 500watt, voltages are all within spec, in fact almost bang on. I refuse to believe that a video card requires THAT much power, im scared to run even fans on that rail else my gpu'll crash! ok, ive got a couple fans on it but still, shoudl be able to take more than that. wahts the dealio?

Ya the video card does use a lot power, and with that Prescott, your PSU is really taking a beaten on the 12v rail. Who makes your PSU?
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Crash
Quote:


Originally Posted by Silum

Very strange. My system was working fine. Then after some hardcore hl2'ing, started to get a bit of tearing. Crap! Clock the video card down to stock specs... hl2 again... bam, get some tearing. Thats wierd. Then suddenly, in one flash, my computer looks like its on an acid trip, flying colors everywhere and general fuzzyness. Quick, restart computer! dont wanna fry anything! Wait... getting the same even when booting up... that when a realize this cant be a software thing. So to make a long ass strory short, i realize that as soon as i put the video card on its own dedicated power line, it works fine. Any other items, such as hd's, dvd burner etc, and itll crap out like this. Now my question is why? My power supply is a Ultra 500watt, voltages are all within spec, in fact almost bang on. I refuse to believe that a video card requires THAT much power, im scared to run even fans on that rail else my gpu'll crash! ok, ive got a couple fans on it but still, shoudl be able to take more than that. wahts the dealio?

Ive got an antec 550, and my 9800 pro did the same thing (only not as bad as you describe) When I put it on its own line it worked fine. Must be a common problem. Although I never really saw it as a problem till you said something. Now I wont be able to sleep.
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ShawnMcGrail
Well I was running my 9800PRO, 3 50CFM 80mm fans, and one 110CFM fan on the same wire, and I didn't get any problems? lol
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Crash
Quote:


Originally Posted by archer_456

Ya the video card does use a lot power, and with that Prescott, your PSU is really taking a beaten on the 12v rail. Who makes your PSU?

The last three antecs Ive had couldnt hold a very good 12v rail. Im going to get away from antec PSUs. In my experiance they are having quality problems.
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adas
^^^^i have the exact same problem with my 550w trucontrol psu...the best 12v i get is 11.80, and i lost the tuning thing so...time for pc power&cooling!

and i had a problem kinda like this with my 9800xt....but opposite. on its own, it ripped tore and everything, with 2 hdd,3 fans it works great with super OC(480/420) so thats just wierd.
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ShawnMcGrail
Well I don't know about you guys, but the last 2 "no-name" PSU's i've had worked fine! theres extreme fluxuation on all the lines, but they work! lol.
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S
well i really dont think this is a question of my power supply. My 3.3 is at 3.34, my 5 is at 5.03, my 12 is at 12.28. These are all within spec and thats a pretty strong 12v line. Just seems strange, i mean, i ran two cd rom drive on the same line after some troubles and it worked, then it crapped out again so now its on its own dedicated line, bar 2 2watt fans. Ohh well, its running fine now but my 3other hd's, 2dvd rom drives and a floppy cant be liking all being on the same line!

-edit, nice post number to leave it on
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SpookedJunglist
of course i adjusted this way but i havent had any problems...
but i do recomend giving your 9800 its own rail...
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ShawnMcGrail
Quote:


Originally Posted by spookedjunglist

of course i adjusted this way but i havent had any problems...
but i do recomend giving your 9800 its own rail...

Meh, mine runs fine along with 3 80mm fans and a hard-drive on the same line, lol.
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|2A|N
Hmm well i have a Antec 480watt running my real 9800XT with not a flaw and i ran a Antec 350watt for a long time also with no problems.
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Crash
Oops didnt mean to slash an advertiser,
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|2A|N
Quote:


Originally Posted by Crash

Oops didnt mean to slash an advertiser,

lol
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