For modders attempting to create handheld portable versions of the PS2 (trimming the board), the SCPH-90001 is often a preferred donor board.
This specific, late-model motherboard (often dubbed a "90k" or "9000x" series) is highly coveted for portable builds because it features a very small, integrated motherboard, reducing the need for extensive trimming. scph90001biosv18usa230 portable