I had a Trantor T-228 a while ago. Uses an NCR chipset and performs similarly. I think I got it since it worked well with Linux NCR drivers at the time, but that was pushing 25 years ago.
Back when my main computer was a P70, I put a Future Domain MCS-600 in it, which fits nicely into the short slot. It also has a socket for a ROM chip. These were sold rebranded by IBM as a Fast SCSI-2 adapter.
Got that card for $25 back in 1996 from Hi Tech back before they moved to Reno.
I’ve inherited a Compaq Portable III, plus the ISA ports expansion pack on the back and it also has a 287 math coprocessor.
As far as I can tell, everything is original and also works perfectly. It has the factory Compaq DOS 3.20 but upgraded to MS-DOS 6.20. It has LapLink and also INTERSVR. I...