HP J3420B HP-HSC ATM/155 Adapter for Industrial Workstations Installation Guide

Chapter 1 13

Before Installing the HP-HSC ATM/155 Adapter

Computer Requirements

Ensure that the following computer requirements are met:

• You must ﬁt a 2-slot expansion plate to the Model 74x Single Board

Computer before installing the HP-HSC ATM/155 adapter. This is

because the Model 74x requires three adjacent slots in the System

Enclosure when the ATM adapter is installed. Chapter 2 , “Installing

the HP-HSC ATM/155 Adapter,” on page 19 includes the steps for

ﬁtting the plate.

• Up to two HP-HSC ATM/155 adapters can be installed in the 74x

Single Board Computer.

• The operating system must be HP-UX 10.20 or 11.0.

• Approximately 2.5 Mbytes of free space are required in the / (root)

ﬁle system.