Identify your Ps2 Version
Version 1 -
SCPH-30001, 10 screws on bottom of case, serial no. starts with "U1"
Version 2 -
SCPH-30001, 10 screws on bottom of case, serial no. starts with "U0"
Version 3 -
SCPH-30001, 10 screws on bottom of case, serial no. starts with "U2"
Version 4 -
SCPH-30000, 30001, 35001, 30002, 35002, 30003, 35003, 30004, or 35004, 8 screws on bottom of case
Version 4 (Gap/No Gap) -
the difference between v4 "Gap" and v4 "No Gap" illustrated
Version 5 -
SCPH-30000R, 30001R, 30002R, 30003R, 30004R, or 30006R. Also, some SCPH-30000, 30001, 30002, 30003, and 30004 models have a V5/V6
Version 5 & 6 -
the difference between these two versions illustrated
Version 7 -
SCPH-39000, 39001, 39002, 39003, 39004, 39008 or 37000
Version 8 -
Only in Japanese consoles. SCPH-39000, or, SCPH-39006 (GH-022 BIOS 090)
Version 9 -
if you have SCPH-50000, 50001, 50002, 50003, 50004, 50006, or 50007 you have a v9 or v10 board.
Version 9-
5000X is the new PS2 Version 9 - SCPH-50001 (Datecode 3C)
Version 10-
5000X is the new PS2 Version 10 - SCPH-50001 (Datecode 3D)
Version 10 -
SCPH-5000x, with date code "3D" to the right and below the serial number on the back of the console. (GH-026 board)

To know if its a v9/v10 start up PS2 with no game in it ,press triangle and check dvd driver version dvd ver 3.00 = v9 & dvd ver 3.02 = v10

If your model # is SCPH-50000, 50001, 50002, 50003 or 50004 AND if you can find a small ''a'' under the scph number


You have a V10 PS2 main board. (GH-026 board).
If your model # is SCPH-50000, 50001, 50002, 50003 or 50004 AND if you can find DATE CODE 3D
You have a V10 PS2 main board. (GH-026 board).