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3B1

Computer published 34 years ago by AT&T, Inc.

Listed and emulated in MAME !

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DESCRIPTION

3B1 © 1985 AT&T, Incorporated.


The 3B1 (also known as Unix PC) was a Unix workstation computer originally developed by Convergent Technologies (later acquired by Unisys), and marketed by AT&T in the mid- to late-1980s.

TECHNICAL INFORMATION

1
10 MHz Motorola MC68010 (16 bit external bus, 32 bit internal) with custom MMU.
Internal MFM hard drive, originally 5 MB, later models with up to 67 MB.
At least 512K RAM on main board, expandable via expansion cards.
3 expansion slots.
Monochrome green phosphor 10-inch (250 mm) monitor.
Internal 300/1200 bit/s modem.

SOURCES
Machine's bios.
Machine's picture.