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3B1

  1. Game infos
  2. Sound
  3. Driver
  4. Inputs
  5. Display
  6. Roms list
  7. Chips list
  8. Categories
  9. History
Download 3b1.zip (0 B)
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Game infos

Description 3B1
Name 3b1
Manufacturer AT&T
Year 1985
Runnable yes
System arcade /
Number of players Non-arcade
Added to MAME .141
Romset size 0 B
Romset file files
Romset zip 0 B
Genre Computer

Sound infos

Sound_channels 1

Driver infos

Driver status preliminary
Driver emulation preliminary
Driver color good
Driver sound preliminary
Driver graphic good
Driver cocktail
Driver protection
Driver savestate yes

Inputs infos

Input service no
Input tilt no
Input players 0
Input buttons
Input coins

Display infos

type rotate flipx width height refresh pixclock htotal hbend hbstart vtotal vbend vbstart
raster 0 no 720 348 60.821331 20000000 896 0 720 367 0 348

Roms list

console name bios size crc md5 merge sha1 region offset status optional
arcade 72-00616.14c 8192 c61f7ae0 ab3ac29935a2a587a083c4d175a5376badd39058 bootrom 1 good no
arcade 72-00617.15c 8192 4e93ff40 1a97c8d32ec862f7f5fa1032f1688b76ea0672cc bootrom 0 good no

Chips list

name tag type clock
Floppy sound wd2797:0:525dd:floppysound audio 44100
M68010 maincpu cpu 10000000
Speaker wd2797:0:525dd:flopsndout audio

Categories

History


Computer published 34 years ago:

3B1 (c) 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 -

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.

- CONTRIBUTE -

Edit this entry: https://www.arcade-history.com/?&page=detail&id=54840&o=2