Tools, APP Software Used etc.

KiCAD

Description

PlayStation PU-22 8MB RAM daughterboard

This daughterboard replaces the RAM IC on PU-22 PlayStation motherboards, allowing the user to expand the RAM of the console from 2MB to 8MB, same as a development kit.

The modification requires this board printed as a flexible PCB, assembled, the original RAM removed and replaced with the board, plus two additional addresses taken from the CPU via jumper wire.

I repeat, this board must be printed as a flexible PCB!!!

You can find the original repository here: https://github.com/hkzlab/PS1_PU22_8MB_mod

Schematic and Layout

Original repository

https://gitea.hkzlab.info/tabaglio/PU22_ram_mod

Download Gerbers

Aug 22,2024

190 views

PlayStation PU-22 8MB RAM daughterboard

A RAM daughterboard that brings the addressable RAM of your PU22 PlayStation from 2MB to 8MB

190

Published: Aug 22,2024

Download Gerber file 3

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