Overview; System Board - HP 743 Service Handbook

Functional Description

Overview

Overview
This chapter describes the functional features of the Model 743.

System Board

The system board provides the following functionality to the Model 743:
• CPU
• Boot ROMs
• Graphics
• Memory controller
• VME interface
• I/O controller, which controls the following interface circuits:
LAN
Single-ended SCSI
HP Parallel
Audio
RS-232
Figure 2-1 shows a top and front view of the Model 743 Board Computer.
2-2