Reply 20 of 30, by maxtherabbit
froller wrote on 2021-02-13, 09:35:maxtherabbit wrote on 2021-02-13, 03:24:froller wrote on 2021-02-12, 20:58:
Does your one have 4 72-pin SIMM slots and VT82C41N soldered between two lower ISA slots along with some 74-series logic chip?
It looks fully packed and not suitable for modding. At least on photos.
I've got it handled, going to desolder the VT82C41N and spin up a little PCB that mounts to a slot bracket with a DIP-40 KBC, 7406 and associated passives. Then connect that to the DIP-24 socket with a ribbon cable.
I was hoping that the mini-KBC might have the ability to drive a mouse but it appears it does not. I'm waiting for a 28C010 to arrive from china so I can enable ps/2 support on my own board and probe the 4 unidentified pins on it with a scope, as a last resort.