The graphics chip is a GeForce 6200 256mb DDR2. It connects through AGP. Its currently out right now, because it sits conveniently above the battery, which is currently taken out. I took it out once before, but it did not change anythng. I'm taking it out again, and for longer.
I havent checked the PSU anywhere else, but as i've said before, it is probably responsible. I'm going to try and convince my friend to buy a new case altogether, because this one dosent even have any fan ports, let alone holes for ventilation.
As for things connected to the motherboard, theres a couple. Firstly, theres that GPU, and a
Diamond Xtreme Sound card. There are 2 optical drives. A Hewlett Packard CD Writer Plus!, and a standard DVD drive. They really shouldent be an issue.
A modem and a wireless card are also connected. They have no history of problem, and they are probably not responsible. On the board are 2 sticks of RAM. They too, are in good condition and have not had any issues. I also took them out to see if i needed to dump their data, as i said before.
Other than the beep/fart speaker, and all the componets already on the board, theres nothing.
Thanks for your help, but yu pretty much just confirmed my suspicion of a dead mobo.