Banshee

Banshee

Acorn BBC Model B

Product History

Launched in 1981 to coincide with a computer literacy drive by the BBC, the Model B was the more expensive of Acorn's two machines at £399. The machine's high cost was compensated for by very impressive expansion possibilities including disc drives, a second processor and network capabilities (Econet).

Specifications

Produced:
Between 1981 and 1994.
CPU:
MOS Technology 6502 running at 2 Mhz.
Co-Processor:
Not fitted.
ROM:
32 Kb expandable to 128 Kb.
RAM:
32 Kb.
Display:
No internal display.
Keyboard:
74 key full action.
Integrated Storage:
None.
Sound:
Four independent sound channels (one noise and three melodic) using the Texas Instruments SN76489 sound chip.
Text modes (characters):
20 x 32, 40 x 25, 40 x 32, 80 x 25, 80 x 32.
Graphics modes:
160 x 256 (4 colours), 160 x 256 (8 colours), 320 x 200 (2 colours), 320 x 256 (2 colours), 320 x 256 (4 colours), 480 x 500 (8 colours), 640 x 200 (2 colours), 640 x 256 (2 colours).

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