SCSI: DB-25
Serial Ports: 2
Sound Output: mono 8 bit.
ADB: 1
Ethernet: none
Machine Gestalt ID: 19
PRAM Battery: 3.6V lithium (Maxell ER3S, Radio Shack 23-026)

Minutiae:

Upgraded two SIMMs at a time.

Accepts an FPU card for increased performance on math functions.

Serial Port with the phone icon supports synchronous modems, with handshaking supported on the output, not the input.

Has 512KB ROM and a 1.44MB SuperDrive.