BBC Model B+

BBC Model B+

Released in April 1985, the Model B+ was little different to its predecessors, adding only more memory (now 64k) and having a higher price (now £499).

Specifications

ManufacturerAcorn
Processor6502A
Speed (MHz)2
Ram (KB)64
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