Apple · PowerBook

Macintosh PowerBook Duo 230

Released October 1992

A compact monochrome PowerBook with a 33 MHz processor, two hard-drive configurations and desktop docking expansion.

Specifications

Processor: Motorola 68030 33 MHz (PowerBook 165)
CPU cores: 1
Memory: 4 MB
Storage: 80 MB to 120 MB
CPU: 33 MHz Motorola 68030
Memory type: 4 MB on the logic board and one expansion slot; Apple states a 24 MB maximum using a third-party memory card
Storage type: August 1993 Apple Facts lists 80 MB and 120 MB internal hard-drive configurations; English support also lists a 160 MB drive. Optional external 1.4 MB floppy drive requires a Duo Floppy Adapter or Duo MiniDock

Battery life (maker's claim): Up to 4.5 hours
Weight: 1.9 kg
Thickness: 36 mm
Width × depth: 277 × 216 mm
Battery life detail: Nickel-metal hydride battery; Apple claims an average of 2–4.5 hours

Operating system: macOS
Port detail: Serial/LocalTalk, docking connector, power input and internal modem expansion; desktop video and additional connections require a compatible dock
Trackpad: Built-in trackball
Speakers: Built-in microphone and speaker; mono sound input/output
In the box: Power adapter; an internal fax/data modem and docking accessories are optional

Processor	Memory	Storage
Motorola 68030 33 MHz (PowerBook 165)	4 MB	80 MB
Motorola 68030 33 MHz (PowerBook 165)	4 MB	120 MB

Model	Size	Display	Processor	Memory	Weight	Battery	Released
AppleMacintosh PowerBook Duo 210	9″	–	Motorola 68030 25 MHz (PowerBook 145B)	4 MB	1.9 kg	4.5 h	Oct 1992
AppleMacintosh PowerBook Duo 250	9″	–	Motorola 68030 33 MHz (PowerBook 165)	4 MB – 12 MB	1.9 kg	6 h	1993
AppleMacintosh PowerBook Duo 280	9″	–	Motorola 68LC040 66 MHz (PowerBook 540c)	4 MB – 12 MB	1.9 kg	4 h	1994