BBC Model B

BBC Model B

Launched along with the Model A, the Model B came with more memory and a price tag of £399.

Specifications

ManufacturerAcorn
Processor6502A
Speed (MHz)2
Ram (KB)32
Ram expandable to (KB)unknown
ROM (KB)32
Sound3 channels plus noise
Keyboard typeTypewriter-style
Number of keys74
Dimensions (mm)409 x 358 x 78
Weight (g)3700
Interfaces
  • 8 bit parallel port
  • 8 bit I/O port
  • RS423 serial interface(5 pin "diamond" DIN)
  • Cassette interface(7 pin DIN)
  • Composite video output(BNC)
  • RF interface
  • 4 12 bit analogue input channels

Reviews

Where possible I have tried to contact the sources of these reviews for permission to reproduce them here.

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