Apple Macintosh PowerBook 145B

I have the main unit.

type Computer
country USA
year 1993
os Mac OS 7.1
cpu Motorola 68030
speed 25 MHz
ram 4 MB
disk 1.44MB floppy
hd SCSI 80MB
graphic 640×400
colors B/W
sound beeper
ports ADB, HDI-30 SCSI, printer, speaker, modem

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The Apple Macintosh PowerBook 145B — The Accessible PowerBook

Released in August 1993, the PowerBook 145B was an updated version of the PowerBook 145 featuring a 25 MHz 68030 processor, 4 MB of RAM, and an 80 MB hard drive. Occupying the entry-level position in the PowerBook line, it offered full Mac laptop capability at a more accessible price than the higher-end models. The PowerBook 145B continued the design language established by the original PowerBook 100 in 1991 — the design that had established the modern laptop form factor with its palmrest, centrally-mounted trackball, and keyboard positioned toward the display.

The PowerBook Design Legacy

Apple’s original PowerBook design of 1991 was so influential that virtually every laptop made since has followed its basic layout: display at the back, keyboard toward the front, palmrest in front of the keyboard, and pointing device in the centre. This arrangement, seemingly obvious today, was far from universal in early laptop design — earlier machines placed the keyboard at the front edge and pointing devices in awkward locations. The PowerBook’s design is one of the most copied in the history of consumer electronics, directly shaping the form factor of billions of laptops produced in the following three decades.

Practical Specification

The 145B’s 25 MHz 68030 processor and passive-matrix LCD display provided practical performance for the business and creative professional tasks that PowerBook users typically required — word processing, spreadsheets, presentations, and lightweight graphic design. Running System 7, it was a capable and reliable portable Mac that served as a practical tool for professionals who needed Mac compatibility on the road.