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x800 additional power - help please

post #1 of 11
Thread Starter 
Howdy!
I have already started a thread a few months ago but here it is again. I got here: a ati x800 pro, it is not working, it bootes up and says: check additinonal power resource molex. It all happenend when I put the card in a "new old" rig, the psu couldnt handle it, so i hooked up another psu only on the molex stupid as i was. It worked for a few days. Closed the case and than it started. I think some electronic part is blown up, gave itself up to save the card. It still is alive, else it wouldnt give the message 'plug in the molex'.

I inspected the card, nothing really to see, I dont have the tools nor the knowledge to messuere all those tiny thingies. Until i spotted 3 of those stripe resistors, a dark stripe with a copper stripe over it, broke in 2 pieces??

I have a picture here, maybe some of you can confirm this, i can post more close ups if you think this is not it.



Thanks in advance, it would be nice if you could help me!
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post #2 of 11
please post the pictures. Also, please go HERE to post your full system stats so we can know a bit more.

It sounds like your power supply cannot power the whole system ( video card included) try putting in a old video card(without molex connector) or an old pci video car see if she runs, or putting the video card in a more powerfull system(with a bigger power supply)
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Minotaur
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post #3 of 11
Thread Starter 
I do not think you get me right, I probably blew a capicitor, resistor or w/e because I put on a secondary psu only on the molex which caused power to be drawn truegh the vid card to the other psu. I need to find out which part is blown up.

I put this card, the x800 pro, in an other computer, with a 300 watt Z brand psu, it wasnt strong enough, put a secondary next to it, only with the molex in it.

Now i get: plug in additional power recource, so something is blocking power from the molex, i need to find out what caused the open circuit.

picture is in the startpost, can you see it?
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post #4 of 11
I do not see the picture unfortunately.
It sounds like your video card has major electrical damage. I havent met anyone here on the forum who can compleltely diagnose the electric circuits on the board of video card so I am not sure we can help you with that.

If you had used a SECOND power supply to power the video card, did you short wire it correctly to run constantly? (through the 20 pin power connector).
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post #5 of 11
Thread Starter 
Thats the whole point, i havent done that, dumb as i was. So probably all the power was drawn truegh the video card truegh the molex to the secondary psu.

this would be the link to imageshack: popups!
http://img410.imageshack.us/img410/7229/x800tb3.jpg
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post #6 of 11
What wattage supplies did you use? It almost sounds like you drew too much through the sole supply you had supplying the card and it backfed into your other supply. Also, like Nevaziah said, have you since wired the supply to run constantly? Also, do you have a clearer picture - the current one is a bit fuzzy?
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post #7 of 11
curses, i cannot even open imageshack at work. damn restrictions. anyways, your video card "might" be fried, but test it on more systems to be sure. If you lookaround the card, you "may" be able to repair the damage by replacing a capacitor or resistor, but it's very delicate work, and there's no guarantee that the core itself is not damaged.
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post #8 of 11
Thread Starter 
I used 2 300 watters, not hooked up with 20 pin for constant use, that was the big mistake.

I will make a new picture, hang on.
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post #9 of 11
i would replace those 3 resistors, pull out that solder and iron and get to work Most likely the resistors blew, makes sense since the three that are damaged are in series
    
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post #10 of 11
It should be fine using a seperate PSU to power it. However if you don't short the 20 pin, the other PSU shouldn't even be turning on.
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