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My PC crashes regularly when pushed with 3D, the gfx card is brand new and has the latest drivers. (tried official his driver, and ati x1950 driver)
It cannot complete 'Video Card Stability Test' without rebooting. The faq for that recommended checking power supply and cpu temp.
The 550w PSU is new, but a cheap £20 one, maybe too unstable a supply? (sumvision/sumevision?)
CPU temp is 45-50°C idle, is this a little hot?

Tried running the stability test offline with no other programs running, yet it still crashes.

p4 3ghz
asrock 775vm800 mobo
1.5gb ram
his ati x1950pro agp 512mb
trust soundcard
kworld dvb-t100 digi tv tuner
sony dvd burner
sweex card reader
120gb + 80gb hd
case fan + psu fan

Ohhhh the frustration!
Can anyone help?

2007-03-29 16:28:52 · 3 answers · asked by Chenier 2 in Computers & Internet Hardware Other - Hardware

That should be case fan and cpu fan.

2007-03-29 16:30:33 · update #1

3 answers

I suspect your power supply can not deliver the 30 Amp at 12 volts the video card requires. What amperage rating for the 12 volt supply is printed on the power supply? The manufacturer's site does not list the amperage ratings that and the low price gives me a bad feeling about your PS.

Sumvision Power Supplies
http://www.sumvision.com.cn/results_pages.asp?product_type=33#up

Whatever PS you choose it will need to supply at least 30 amps @12V for the video card.plus whatever else the 12 supply powers.
(30 amps x12 volts = 360 watts for the video card alone)
The video card consumes more power than everything else on the computer combined!

Newegg.com sells a gamers machine with that ati x1950pro card
http://www.newegg.com/Product/Product.aspx?Item=N82E16883227004
they use a NZXT PRC-650 650 Watt Power Supply with it.
http://www.aeoncraft.com/ac/store/configurator.aspx?mid=182
http://www.ecost.com/ecost/category/Category.aspx?Category=82342000&Manufacturer=NZXT
This PS may or may not be compatible with your machine.

Per ATI
http://www.diamondmm.com/X1950PRO512AGP.php
* Intel® Pentium® 4 or AMD® Athlon® 64 FX CPU's
* CPU running at 2.4 GHz or higher
* 450-Watt power supply or greater, 30 Amps on 12 volt rail recommended (assumes fully loaded system)
* AGP 3.0 Slot.
* Super VGA or DVI-I compatible monitor
* Microsoft Windows® XP, XP 64, 2000, MCE
* CD-ROM or DVD-ROM drive
* 512MB system RAM minimum
* 480MB available hard disk space

Per
http://discuss.extremetech.com/forums/thread/1004360926.aspx
"According to ATI the 1950XT needs over 30 amps of 12 volt power to even boot. If you aint got that much on the PCIe connector, you're dang lucky the system even booted as they do state it wont boot reliably with anything less then 28 amps while anything below 27 amps wont boot it at all."

2007-03-29 17:35:46 · answer #1 · answered by Anonymous · 0 0

OK, here my thoughts. Many people running a graphics card use a really good cooling on the processor and the card. The card should have a fan, if, not, I hope you not pay over $30 for the card.
If this dual graphics more Power, many going with 600-650 Watts and more. I wait for some extra bucks and get e a 600-650 watt PS to handle my Hdd's and Graphics. Now I use 500 Watt and I not try to install the other Hdd's I have. The PS may shut down if overdrawn OR the processor overheat. I use an AMD San Diego 64, Not need more for what I need and I can afford Dual, but, My fan look like a radiator on and car with the fan running full. I not use that "Cool N' Quiet" crap, though it in the BIOS.
Last, be sure the PS is dual rail on the 12 volts. When we modifiy, we want good stuff not some $50 crap. It burn out your everything. I look at Thermaltake Purepower, BUT, there others. Think over $100.

2007-03-29 16:44:31 · answer #2 · answered by Snaglefritz 7 · 0 0

Your ATI card requires a minimum power supply unit of 550 watts. That's just a minimum direct from ATI itself.

You unit is probably not a continuous 550 watts, but more than likely a peak reading. Invest in a better power supply and your problem should be over.

2007-03-29 16:37:02 · answer #3 · answered by ? 5 · 0 0

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