3202

ND 120 CPU board, component side.

ND 120 CPU board, solder side.

3202 is the ND-120 CPU board.

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Introduction

It contains the CPU, bus arbitration logic, memory control, memory and other subsystems. It also has the Real time clock and the I/O for the serial console.

Connectors

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

I/O Devices on the card

none?

ECO

ECO or Engineering Change Order is a hardware change. Here is a list of known ECO's for this card.

• ECO 100-779 - System failing with cache enabled
• ECO 100-785 - Memory out of range, IOX-error
• ECO X01 - New backup battery for the calendar on ND-120 CPU

Reference

• Norsk Data Document ND–30.008.3 EN ND-100 Hardware Maintenance , page 255