Macintosh SE Motherboard

Description

Logic board for the Macintosh SE. Tested and working.  Apple 820-0176, 661-0526, 630-4125, 820-0250, 661-0536, 630-4250, 

The original Macintosh SE motherboard, designed for 800K floppy drives is 820-0176 and uses the Integrated Woz Machine (IWM) disk controller and has a soldered on battery. 

The 820-0250 is a later revision. that also started with a soldered on battery and IWM chip for 800K drives (same as above).

The 1.44MB “SuperDrive” (FDHD – Floppy Drive High Density) that uses the newer SWIM (Super Woz Integrated Machine) chip and updated ROMs, and also uses the 820-0250 board.

Choose One:

A) 820-0176, 661-0526, 630-4125, for use with 800K floppy drive(s)

B) 820-0250, 661-0536, 630-4250, for use with 800K floppy drive

C) 820-0250, 661-0536, 630-4250, for use with 1.4MB Superdrive FDHD*. Battery holder, SWIM chip and updated ROMs

*** Pictures are representative and NOT what you will receive. ***