System Board Features - IBM PS/2 CL57 SX Hardware Maintenance Reference

1.2 System Board Features

The major features of the system board are:
80386SX Microprocessor
CMOS RAM and CMOS RAM extension
ROM BIOS
Diskette-drive controller
Serial connector
Parallel connector
External input device connector
Optional communication adapter slot
System expansion connector
Suspend and resume functions.
Subtopics
1.2.1 Microprocessor
1.2.2 CMOS RAM and CMOS RAM Extension
1.2.3 ROM BIOS/POST
1.2.4 Diskette-Drive Controller
1.2.5 Serial Connector
1.2.6 Parallel Connector
1.2.7 External Input Device Connector
1.2.8 Optional Communication Adapter Slot
1.2.9 System Expansion Connector
1.2.10 Suspend and Resume Functions
IBM PS/2 Model CL57 SX HMR
System Board Features
¦ Copyright IBM Corp. 1991
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