UNIX PC Model 3B1
Screenshots










Game Details
Computer published 40 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
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
Driver Details
| source | att/unixpc.cpp |
| status | preliminary |
| emulation | preliminary |
| savestate | unsupported |
| type | sound |
| status | unemulated |
Screen Details
| display | screen |
| type | raster |
| orientation | horizontal |
| width | 720px |
| height | 348px |
| refresh | 60.82mhz |
Chipset Details
| name | Motorola MC68010 |
| clock | 9.54mhz |
| name | Speaker |
| clock | N/A |
| name | Floppy sound |
| clock | 43.07khz |
ROM Details
| name | size | crc |
|---|---|---|
| 72-00617.15c | 8.00k | 4e93ff40 |
| 72-00616.14c | 8.00k | c61f7ae0 |