Motherboard archive labelled RJ1-MB-M26-0528A, a Quanta-style code naming the RJ1 project motherboard with a date or build code of 0528A.

Schematic package for the Sony MBX-142 motherboard, which corresponds to the RJ1-MB board with build code M26-0528A, so the file links the Sony MBX number to the ODM…