Description

Logic Board for Power Mac G4 QuickSilver models. This is a Rev 1 board – Apple 661-2503, 820-1276, 820-1276-A. Rev 1 and 2 are interchangeable both ways, the Rev 2 numbers are 661-2606, 820-1342,820-1342-B.

It seems a Rev 1 board peaks at 128GB for each hard drive and will not see anything larger.