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PlayStation BIOS Image FAQ
 
Q1: What is a PlayStation BIOS image?
A1: A PlayStation BIOS is the software code programmed into a chip on the PlayStation which controls various functions on the console.  An image is just a dump of that code which can be used on a PC.

Q2: Is using/downloading a PlayStation BIOS legal?
A2: Technical it IS illegal to download and use a PlayStation BIOS.  It is Sony's copyrighted material after all.  Some say if you own a real PlayStation, then you have a right to use the BIOS image, so you decide.

Q3: Where can I get a PlayStation BIOS image?
A3: Your best bet would be to go to http://www.google.com and search for something like “PSX BIOS” 
Please don’t ask any emulator authors or PSXEmu.com members for a PSX BIOS image!

Q4: How do I dump a PlayStation Bios?
A4: To dump a PlayStation Bios, you need a GameShark or Action replay and a PC comms link. To start, you need either a real Caetla module or go to AltaVista and search for "Caetla" (it's a BIOS replacement for your module, so read the included documentation properly before installing it !!). Now upload "Caetla", and use use the caetla commands for downloading a binary memory image from the region 0x0bfc00000 - 0x0bfc7ffff ! Now save the image as SCPHxxxx.bin, where xxxx is your PSX's model number, and emulators will recognize it and use it from now on.

Q5: How do I find out what version of the PlayStation BIOS I have?
A5: Open the PlayStation Bios file in WordPad or any other text editor, go down to the bottom and you will see System ROM Version X.X YY/YY/YY (Z).
X is the number of the Bios, e.g. 2.2 Y is the date of the Bios, e.g. 12/04/95
Z is what region the Bios is from, e.g. J for Japan

Q6: What are all the different BIOS versions?
A6: These are all the different BIOS images available:

* Best BIOS to try with emulators

DTLH3000.BIN
12-04-2020
SCPH1001 / DTLH3000
System ROM Version 2.2 12/04/95 A
America
DTLH3002.BIN
12-04-2020
DTLH3002
System ROM Version 2.2 12/04/95 E
Europe
SCPH1000.BIN
09-22-1994
SCPH1000
Japan
SCPH1001.BIN*
12-04-2020
SCPH1001 / DTLH3000
System ROM Version 2.2 12/04/95 A
America
SCPH1002.BIN
12-04-2020
DTLH3002
System ROM Version 2.2 12/04/95 E
Europe
SCPH5000.BIN
12-04-2020
SCPH5000
System ROM Version 2.2 12/04/95 J
Japan
SCPH5500.BIN
12/04/2020
SCPH5500
System ROM Version 3.0 09/09/96 J
Japan
SCPH5502.BIN
12-04-2020
8372E64C (Unknown)
System ROM Version 3.0 01/06/97 E
Europe
SCPH7000.BIN
05-29-1997
B625CA50 (Unknown)
System ROM Version 4.0 08/18/97 J
Japan
SCPH7001.BIN*
12-04-2020
SCPH7001
System ROM Version 4.1 12/16/97 A
America
SCPH7003.BIN
12-04-2020
7C506633 (Unknown)
System ROM Version 3.0 11/18/96 A
America
SCPH7502.BIN*
12-04/1995
SCPH7502
System ROM Version 4.1 12/16/97 E
Europe

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FAQ's last updated Saturday, March 10, 2020


       
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