Flash Bios

Install Video (coming soon) This is a drop in replacement for the original Ps1 bios chip that comes in 3 variations - 1001 (Ps1 fat style ) Patched  -101 (Slim style ) Patched  - Nocash Xboo custom bios Both the 1001 and 101 style bios' have been patched with the PS1 Disc-Based game ID patch from jdfr228. This allows for additional functionality for Memcard Pro users as well as Sd2PSX users who are booting games from discs.  More info on the patches can be found HERE This will work in any Ps1 with a 32pin bios. Some launch Ps1s (with the rca connectors) use a 40 pin bios.  These Pcbs were designed by Mi213. If you'd like to make your own, check out his oshpark page here! https://oshpark.com/profiles/mi213