A collection of various PSX BIOS's dumped by various people. If a BIOS is missing, please try to dump it. We can help you dump it if you ask. If you see any problems or a link goes down, let me know ASAP and I will fix it. Last updated: 03/FEBRUARY/2018 SCPH-xxx0 = NTSC-J (Japan) SCPH-xxx1 = NTSC-U/C (USA, Canada, Brazil and some of South America) SCPH-xxx2 = PAL (UK, Spain, France, most of Europe and Australia) Retail PlayStation BIOS's Percentage of all retail PlayStation BIOS's dumped (20/33). 60% Still missing: SCPH- 1000, 1001, 1002, 3000, 3500, 5000, 5003, 5500, 5501, 5502, 5552, 5903, 7000, 7000W, 7001, 7002, 7003, 7500, 7501, 7502, 7503, 9000, 9001, 9002, 9003, 100, 101, 102, 102A, 102B, 102C and 103. Notes: - The SCPH-5003 is actually just a SCPH-1001 MD5 CONFIRMED BY ).
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The SCPH-7003 is actually just a SCPH-5501 V3.0A MD5 NOT CONFIRMED. The SCPH-9002 is actually just a SCPH-7002 MD5 NOT CONFIRMED. Well, maybe this photo will explain a lot about the PlayStation VCD Player (SCPH-5903). It is a custom attachment plugged into the bus I would like to thank Lingjr Wai Hung Barry, for the photo inside of his PS1 VCD console.
I see a separate processor for the VCD processing, 2x DRAM which would be most likely for buffering, a controller that looks like a mechacon (mechanism controller), 3x crystal oscillators I believe, a foam block for shock padding, a mosfet/transistor for VREG and a tiny chip next to it probably acting as the audio controller. It is most likely plugged into the CD-ROM controller which would have a socket.