Burroughs B20
 | |
 A Burroughs B25 computer running BTOS | |
| Developer | Convergent Technologies |
|---|---|
| Type | 16-bit professional |
| Release date | May 1982 |
| Operating system | BTOS |
| CPU | Intel 8086 |
| Memory | 640K |
| Display | CRT |
The B20 is a line of microcomputers from Burroughs Corporation. The systems, introduced in May 1982, consist of two models: the B21 and the B22.[1] The B21 models are rebadged Convergent Technologies AWS workstations incorporating an Intel 8086 CPU. The B22 models are rebadged IWS workstations. They run the BTOS operating system, which is a version of Convergent's CTOS, as well as CP/M and MS-DOS.[2]
Systems support up to 640 KB of RAM. The B22 included a mass storage unit with a capacity of up to 60 MB.[2]
The Burroughs B25, a rebadged Convergent NGEN system with an Intel 80186 CPU, was introduced in 1983.[3] The B26 was introduced in 1984, and a B28 system followed in 1985 based on the Intel 80286 CPU.
There is also an 80186-based B27 which used an "F-bus" rather than the "X-bus" used on the B25/B26/B28.
A cluster only (no storage) 80186-based B24 was later released and commonly used by bank tellers.
References
[edit]- ^ "Burroughs B22". Rhode Island Computer Museum. Retrieved Jan 10, 2020.
- ^ a b "(advertisement)". Computerworld. March 28, 1983. Retrieved Jan 10, 2020.
- ^ "Convergent Technologies AWS NGEN Workstation". Centre for Computing History. Retrieved Jan 10, 2020.
External links
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