Re: Try to fix old 786 ACIO VESA 386/486 Motherboard
Posted on 2022-01-14, 23:13
I ran some tests tonight : Put an 486 dx33 - Bios voltage OK, but address and data lines are stuck - Battery voltage was originally ~2V, 4V when powered, 3.8 at rest. - i measure "clock" pin on 386 socket (the one next to the "key pin) and got continuous 0V or 5V or 1.9V randomly each time i powered …