Re: Looking for suggestions on what next to troubleshoot on a dead IBM ps/1 montherboard
Posted on 2023-02-28, 11:34
I've tried testing with one of those PC Analyzer boards but the code readout never displays anything. I'm not sure original IBM BIOSes actually output debug codes to port 0x80 for the POST card. I saw some dongle for parallel port for original IBM machines but I'm not sure which generation uses …