BBC Master 128

BBC Master 128

While still basically the same design as the other models, the Master 128 had a number of differences including more memory and a newer central processor. Unfortunately, the changes introduced some compatibility problems with existing software.

Specifications

ManufacturerAcorn
Processor65C102
Speed (MHz)2
Ram (KB)128
Ram expandable to (KB)unknown
ROM (KB)128
Sound3 channels plus noise
Keyboard typeTypewriter-style
Number of keys74
Dimensions (mm)unknown x unknown x unknown
Weight (g)unknown
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