Supported System Software: 7.5.2, 7.5.3
SCSI: HDI-30
Serial Ports: 1
Sound Output: stereo 16 bit.
ADB: 1
Ethernet: none
Machine Gestalt ID: 122

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. 

10.4” dual scan LCD - 8-bit (256 colors) Display.

Ships with either 4 MB or 8 MB 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.

Original Enabler: PowerBook 5300/190 enabler v1.1

Has 2 MB ROM and a 1.44MB SuperDrive.