Resources

Wiki
Documentation at dev-docs.org (field service manuals, user guide)

5¼ inch single density, single sided, 90KB capacity floppy drive.

Check out other members of the family: Atari 800 and Atari 410 Tape Recorder.

Internals

Analog Board

Power Supply Board

CPU Board

A CPU board’s screen fragment with a cushion tightening the CPU:

CPU Daughter-Card

Drive Mechanism

Micro Peripherals Inc. (MPI) Model 51M

Reassembly