Collected Material for the SUN Type 5 to PS2-adapter designed by Ove Risberg and Peter Enderborg:

• Chris Osickis page with the PCB-layout which started all this (local mirror)
• Jonathan Buzzards page describing the circuit more (and with a better component map) (local mirror)
• My additions to the sourcecode sunkbd.asm and a program to load the code on more modern computers (PCBUG11)

Related material:

• Adam Chapweskes PIC resources including the low-level at-keyboard protocol (even on the wire-level)