INSTALLATION INSTRUCTIONS
Apple R

Make the wires as short as possible so you get no problems when you put the PS2 together again, also with too long wires you might get timing problems, even these problems should have been fixed with the latest update of the Apple.

We recommend to use for GND (point 0) and +3.3 Volt (point 10) a little bit stronger wire.

There are two boards:

SCPH-30001 R (version 5)
Version 4 with Bios 040 no gap