Alpha LSI-2/20 gallery

Programmers front panel

The programmers fron panel gives read and write access to all registers and memory

Rear view

From top:
  • CPU (with the ribbon cable)
  • 8 kWord core memory
  • 16 kWord core memory
  • Power supply (big chunk at the bottom)

CPU main board

CPU daughter board

This board is mounted on top of the main CPU board.

8 kWord core memory

8 kWord: label

16 kWord core memory

16 kWord: label

Option board

Contains V24 and current-loop interfaces, real-time clock and many other optional features.