NewBrain AD

Released in February 1981 at a price of £199, the Grundy NewBrain AD was the mid-range model of the NewBrain family, with a built-in display and running from mains power. The top-end model, the NewBrain M, was the same as the AD, but with a battery option to make it a portable computer.

Title image
Manufacturer Grundy Business Systems
Processor Z80A
Speed (MHz) (unknown)
RAM (KB) 32
RAM expandable to (KB) (unknown)
ROM (KB) 24
Sound (unknown)
Keyboard type Typewriter-style
Number of keys (unknown)
Dimensions (mm) (unknown)x(unknown)x(unknown)
Weight (g) (unknown)
  • Two V24 serial interfaces
  • RF output
  • 8-bit parallel port
  • Composite video output
  • Cassette interface
  • Expansion port