Backplanes

UNIBUS

• • 2 x DD11-B 4 slots, 2 reserved for DF11 see the documentation.

  • 2 x DD11-PK 9 slots PDP11-34 backplane, see the PDP11-34 documentation (chapter 4).

  • MF11-UP 9 slots. that's a core memory with parity backplane. The parity card MUST be installed.

  • VT11 subsystem backplane

  • Unibus 9 slots.

QBUS

• • 3 x LSI-11 H9275 (54-14389-00) 9 slots