Other PlayStation 1 modchip guides

A lot of modchips existed throughout the life of the PlayStation 1. Many of the older modchips aren’t very desirable today because they can be hard to find, and don’t always support things like anti modchip games. This guide covers many of those modchips, including hex code and installation diagrams. My goal is to preserve this information, and make it easier for people to identify, diagnose, and repair old modchip installations.

Note: This page is still a work in progress

Guide structure

This guide is structured into several pages. It’s organized like this primarily so that comments can be more organized and useful for readers.

This page is just an index that links off to the guide for each chip. The guides for each chip include information for all board revisions on a single page.

If you want more information about PlayStation 1 modchips in general check out this guide.

Other PlayStation 1 modchips list

This is a list of those other PlayStation 1 modchips. I’ve included links to guides for current modchips as well and marked them with bold for reference.

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Arthus

Hi, I came accross your website looking for infos on psx modchips and it looks like I found the right place! I wonder if you could clarify something for me. I own a modded SCPH-5502 , PAL, so PU-18 mb if I ‘m not mistaken. The modchip was already in place when it came in my possession so I am not sure which type it is. After inspection, it seems to be based on a PIC12C508 chip, with only 4 wires. It allows me to play my PAL backups. I also own a few NTSC games, and I have to… Read more »