SCSI: HDI-30
Serial Ports: 1
Sound Output: stereo 16 bit.
ADB: 1
Ethernet: none
Machine Gestalt ID: 122
PRAM Battery: service center replacement only

Minutiae:

Apple sometimes advertises this as a 66 MHz machine, since the clock speed is doubled inside the processor chip.  However, all I/O to the processor is done at 33 MHz. 

9.5” passive matrix LCD - 4-bit (16 grays) Display.

Ships with either 4MB or 8MB of memory soldered to the motherboard. Memory modules up to 32MB may be added.

Contains two PC Card (formerly PCMCIA) slots which accept either two Type II or one Type III card.

Has 2MB ROM and a 1.44MB SuperDrive.