I have 2 ATX-Mobo's (Gigabyte & Jetway, both socket 370) that won't do anything, i know for sure that every other component (cpu, ram, psu, vga, etc...) are ok, cause i've tested them on other pc's. both mobo's have probably encountered one or another short-circuit issue. could anyone tell me if there is a sort of fuse on a mobo, or can someone tell me which component on the board is probably damaged, so i can solder a new one? thanks in advance!

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I am afraid your best bet is probably to find your friendly neighborhood hazardous waste disposer and send them to their final rest.... It could be a capacitor or several, it could be a tiny little trace that has been severed, it could be any number of things. Maybe someone with a computer lab could figure it out for you, but I doubt anyone here can diagnose it over the web... I know I probably couldn't diagnose it if it was sitting on my desk unless it was obvious enough that you would see it too.....

Place the MB's on a piece of cardboard to eliminate a shorting problem.
If that does not work, then look for any problems with the MB's capacitors(bulging, leaking, etc.).
If the above do not work or are N/A, the go with Budfred's suggestion.

thanks guys, i think i'm going to put them in the closet untill i'm retired and i've got the time to figure it all out
thanks for replying!

Depending on when you are retiring, they could be valuable as collector's items by then...:D

hehe, unfurtunately, by the time i retire i think we have pentiumXXXIV-pc's that reach speeds of 350GHz...

So you are going to be retiring real soon then??? I suspect the when I retire (15 to 20 years at the rate my savings are getting whacked by the economy), CPUs will be running in the Terahertz....:D