ND-100 card crate

Crate sizes

A small cabinet has a 12-position card crate. A large cabinet card crate can hold up to 21 cards.

Card size

A standard ND-100 printed board module size is 366.8 mm x 280 mm.

Connectors

Every card has at least one 96 pin connector (the "C" connector) used for connection to the ND-100 Bus. In addition, a card may have one or two additional 64 pin connectors ("A" and "B"). Connectors A and B are defined for each individual card that uses them. They are used by I/O controllers for connections to external devices.

CPU card location

The CPU module is normally located in position number 1 in the card crate. When the memory management module is present, it is placed in position number 2.

Placement rules

none?

Expansion

The ND-100 Bus can be extended to any number of other ND-100 buses by a driver and a receiver module.

Reference

• Norsk Data Document ND–06.015 (ND-06.015.02) ND-100 FUNCTIONAL DESCRIPTION