8255 Port Monitor
8255.exe port monitor program.


🡅 Version 2.10 (and newer) 🡅

🡅 Version 2.00 (and older) 🡅

"8255 I/O Board" Monitoring Program

NEWER VERSIONS (2.10 and up)

OLD VERSIONS (2.00 and older)





© Copyright 1997, Greg Ercolano. All rights reserved. To report documentation errors, send email to