MacBook 'White' 13-Inch
The ROM is a SOIC-8 chip (32Mbit) that can be read or written by the Medusa-3 with a Pomona clip.
The ROM in on the top (easy to reach) side of the motherboard.
The ????? motherboard number is in the centre of the the top side of the motherboard.
Battery Port Tester: A4586
This Mac runs extremely slow (about 1/10 of the normal speed) when no battery is connected.