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Re: Broken 486 MOBO?

in Milliways
Have your tried stripping it down to the bare minimum? Install only one RAM stick, remove the HDD and boot from floppy, remove all expansion cards except video, etc. If that doesn't help, maybe your BIOS chip got corrupted or something. If that is even possible. Tried that jwt27, nothing! I'm also …

Re: Broken 486 MOBO?

in Milliways
Changed all capacitors guys!!!! Nothing......what can it be??? So many variables in the game.....Am I missing something.....mmmmm??? I've checked jumpers....they all seem to be in place....

Re: Broken 486 MOBO?

in Milliways
Can I just check... you have tried two motherboards and neither get past the POST to actually try to boot the operating system? Are you using the same power supply and IDE cable? Could be it's the PSU itself, the molex to the hard drive, or the IDE cable at fault. The other MOBO does boot and works …

Re: Broken 486 MOBO?

in Milliways
Ok jw27, connected with a wire the trace you were talking about. Checked and bips. Still, the MOBO hangs when HDD is found. Also keyboard freezes and you cannot enter BIOS if you wait too long. If I have time this weekend I may try changing a couple more capacitors for the sake of it. Nevertheless I …

Re: Broken 486 MOBO?

in Milliways
If it's some PSU filtering cap, replacing it with a higher F value shouldn't make much of a difference. But I see you scratched the PCB somewhat, especially on your last picture. In between the cap legs and to the right of that, one trace looks like it's going nowhere. I'd recommend to check …

Re: Broken 486 MOBO?

in Milliways
Ok, got the board booting again! I can't believe it! But, the original problem remains.....can it be a different capacitor? I'm going to check all the capacitors ratings again....weird....

Re: Broken 486 MOBO?

in Milliways
Ok here's the damage. Please don't laugh. I know :( I'm a beast! This is how you shouldn't do it kids! http://img854.imageshack.us/img854/4047/2zih.jpg http://img841.imageshack.us/img841/9772/pe9q.jpg http://img836.imageshack.us/img836/7873/4zcb.jpg Changed de 10v and 1000F to 10V and 1500F and the …

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