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Will GeForce 7800 GS AGP work with my System?

Last response: in Graphics & Displays
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December 14, 2009 6:31:23 PM

The only concerns I'm having is with my PSU...


http://www.newegg.com/Product/Product.aspx?Item=N82E168...

if I have to replace it, would the newer ones work for my old system without screwing things up? I found this one... http://www.newegg.com/Product/Product.aspx?Item=N82E168...

my spec:

ASUSTek Computer INC Mobo (A7N8X Deluxe)
AMD Athlon XP: Thoroughbred, Socket A 2700+
3 gigs of RAM (Corsair 2 sticks regular of 1 each, and the 3rd XML)
GeForce 5500
PLANET WL-8310 Wireless Card
200G Seagate (Master)
500GB Wester Digitital SATA
LG DVD Writer
Coolmax AP-550X Power Supply
WinFast TV2000 XP Expert WDM TVTuner
3 Fans cooling my system and thinking of getting the big (99mm i think) on the TOP of the tower when getting 7800 GS.


you think it can handle it? SpeedFan says I'm getting 11.80 under 12V+
a b Î Nvidia
December 14, 2009 6:43:52 PM

That PSU should be perfectly fine. 400W on the 12V rails, you are good to go for a 7800GS.

Are you buying this 7800GS used or cheap? You won't get a ton of performance outta it, what are you using it for?
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a b Î Nvidia
December 14, 2009 6:49:18 PM

The power supply should be sufficient for that graphics card. Unfortunately, your CPU is not. I had a similar system with a Socket A 3200+ and i tried using the Geforce 7800GS. Way too much graphic card for the processor. It wasn't until I dropped the card into my new dual-core system that I finally saw it's potential.

-Wolf sends
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December 14, 2009 6:50:58 PM

jay2tall,

I am trying to get this from e-bay so used.

Im buying it mainly for World of Warcraft... had nightmares with ATI cards and this current 5500 BIOSTAR GeForce I'm running (12-14 fps outside, believe it). so I really need a good card and was just concerned my PSU wouldn't handle it since it couldnt handle the SAPPHIRE 100228L Radeon HD 3850 512MB. it wouldn't even boot up and my monitor would be in sleep mode. i got it working once but after it crashed my wow (tried settings on all high) it would still not boot up with sleep mode monitor.
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December 14, 2009 6:53:56 PM

Wolfshadw said:
The power supply should be sufficient for that graphics card. Unfortunately, your CPU is not. I had a similar system with a Socket A 3200+ and i tried using the Geforce 7800GS. Way too much graphic card for the processor. It wasn't until I dropped the card into my new dual-core system that I finally saw it's potential.

-Wolf sends


ok, thanks. but Wolf, what card would you suggest I get? there is also this one which is a lower model.

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

would that be better for my CPU? i already upgrade my cpu from 2100+ about a week ago btw.
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a b Î Nvidia
December 14, 2009 7:11:03 PM

You will be very limited by your CPU as mentioned before. I wouldn't put much money into your current system. You really need to start saving toward a complete rebuild, especially if you intend to use if for gaming.

I find if very odd that a 3850 had issues on that PSU. Maybe it was a dud?
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a b Î Nvidia
December 14, 2009 7:13:01 PM

Yeah, that PSU will be fine for your system. I see you got the 2700 there, which I believe had the same clock speed as the 3000+ (333FSB version) just with less cache. Anyway, your CPU will fine fine with that system. It will hold the video card back a bit, so you may want to consider overclocking your CPU to compensate. Even so just don't expect miracles from the old system.

My old Athlon +3000 with a 1950GT AGP and 1.5GB of DDR333 with 2-2-2-7 T1 timings struggles with newer games running at 1024x768. Still, it's good enough to be a secondary UT3 machine so your setup should be fine for WoW.
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December 14, 2009 7:24:47 PM

so guys, which GeForce card should I get then?

I really appreciate this feedback though cuz I was hoping to run WoW on full settings with 7800 GS.

I only want NVidia GeForce, and I been looking at some options but not sure which suits my cpu... http://en.wikipedia.org/wiki/GeForce_7_Series

I do wanna build a new PC eventually, just not within the next 6 months or possibly a year.

let me know..
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December 14, 2009 9:20:25 PM

so do you guys think that my PSU can handle 7600 GS? cuz it says it needs at least 350 W with 20A but mine is 475 with 18A but it's dual (the second is 16A)

there is one selling kinda cheap and ends in 1 hour on ebay...
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a b Î Nvidia
December 14, 2009 9:46:05 PM

I wouldn't go with anything higher than the 7600GS for that system. The power supply will be fine. To determine what amperage is available take the total watts across both +12v rails (380) and divide by 12 (380/12=31.67 amps)

-Wolf sends
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a b Î Nvidia
December 15, 2009 12:02:27 AM

Not a chance that POS PSU can output 31A though. The 3.3 and 5V are way to high. It isn't designed to output most of its power on the 12V rail like modern rigs. The fact that it couldn't power a 3850 is proof of this. I agree with the 7600GS as long as you can get it cheap enough. Anything more then that is a waste with that old system.
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December 15, 2009 2:20:34 AM

ok thanks.

what about brands though?

ebay got A LOT of Alxle3D cards and some eVGA, and a few PNYs... but newegg.com seems like the only one that sells BFGs and I heard those are the best brand. its 84.99 with free shipping. i almost bought the Axle3D but I didn't win it on ebay...
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December 27, 2009 3:11:25 PM

I have had problems with some PNY equipment, although my pny 9800gt works great. I would say BFG for this card though. I own a BFG 7800GS and have been OCing the hell out of it for a couple years. I did take it apart once and cleaned it up, replaced the factory thermal paste with arctic silver and it runs as good as the day it came outta the box.
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