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).

Title image
Manufacturer Acorn
Processor 6502A
Speed (MHz) 2
RAM (KB) 64
RAM expandable to (KB) (unknown)
ROM (KB) 32
Sound 3 channels plus noise
Keyboard type Typewriter-style
Number of keys 74
Dimensions (mm) 409x358x78
Weight (g) 3700
  • 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