Supported System Software: 7.5, 7.5.1, 7.5.3
SCSI: DB-25
Serial Ports: 2
Sound Output: stereo 16 bit.
ADB: 1
Ethernet: AAUI-15
Machine Gestalt ID: 100

Minutiae:

Upgraded with two SIMMs at a time.

Has the Apple 486SX PDS card.  Card requires no memory, but can accept a single 72-pin SIMM for maximum DOS/Windows performance.  Use of a dedicated SIMM leaves all Mac motherboard memory available for use with Macintosh software.  486 card can accept 1MB, 2MB, 4MB, 8MB, 16MB, 32MB or 64MB SIMMs which are 80ns or faster.  32MB and 64MB work only with software v 1.0 and PC Card SIMM Patch or with software version 1.5.

Original enabler: Power PC enabler v1.1.1

Has 4MB ROM and a 1.44MB SuperDrive.