3033

3033 is the ND-100 CPU with CX option board. It contains the CPU, bus arbitration logic, memory control and other subsystems. It also has the Real time clock and the I/O for the serial console.

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Switches and indicators

As seen from the top, when the card is in the card crate (components on the right hand side).

console speed thumbwheel switch
ALD thumbwheel switch
green LED - cpu self test ok
red LED - cpu self test not ok

Console speed setting

• 0 - 110 baud
• 1 - 150 baud
• 2 - 300 baud
• 3 - 2400 baud
• 4 - 1200 baud
• 5 - 1800 baud
• 6 - 4800 baud
• 7 - 9600 baud
• 8 - 2400 baud
• 9 - 600 baud
• 10 - 200 baud
• 11 - 134.5 baud
• 12 - 75 baud
• 13 - 50 baud

Setting 14 and 15 is not defined (not used?).

Connectors

The A and B connectors are used for I/O, the C connector is used for the ND-100 Bus.

Reference

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