1.4.1.3 - Norsk Data hardware - NORD-10

Description

• External interrupt.
• Using interrupt level 13.
• Upto two interface cards can be installed.

  EXTERNAL INTERRUPT
  Interface	IDENT	DEVNO		LOG.DEVNO
  1	7B	24B	27B
  2	6B	20B	23B

• Print: C   ECO: 1
• PCB size 156 x 179 mm, 2 layers
• Release date 01. Jan. 1981

Chipset

• DM74154 - 4-line to 16-line decoder/demultiplexer.

LEDs

• None

Straps

• None

Switches

• Ident (position A11), binary value (missing entries are illegal).

  Interface	IDENT	SW4	SW3	SW2	SW1
  1	7B	OFF	OFF	OFF	OFF
  2	6B	OFF	OFF	OFF	ON

Connectors

• Standard NORD-10 bus