Last night I pulled 2 of my PC's from the shelf: A generic 386DX40 I built some time ago and my 94' OSICOM Gold 486DX33. Both had issues.
The 386 refused to start. It turns on for a split second and then it goes away. I disconnected the power supply from the unit and verified that it does the same even when not connected... so, the problem is in the PSU. I have to check it out. Meanwhile, i ordered an ATX to AT adapter since i'm running out of AT power supplys really quick!
The 486 has a flat Dallas RTC chip. It does not retain the bios configurations. I ordered 3 chips from China because I know I have other boards with the same problem.
I also checked my 94 DELL Optiplex 560/L (Pentium 60MHz) - this one is working fine.
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