Playstation PSIO Fitting

The PSIO cart needs a small mod fitting to the Playstation main board in order to intercept several signals which are not present on the parallel port.

My recently acquired Playstation is a SCPH-5552 and has a PU-18 model mainboard.

Install instructions:

My install; some pretty small traces there to work with, that's pretty much at the limit of my ability (and tools, and eyesight!):

  • blog/ps1_psio_fitting.txt
  • Last modified: 2020/06/16 19:57
  • by john