System Board Features - IBM PS/2 80 Hardware Maintenance Reference

1.2 System-Board Features
The major features of the system board are:
80386 Microprocessor
CMOS RAM
ROM BIOS
VGA
Serial port
Parallel port
Diskette-drive controller
Keyboard connector
Pointing-device connector.
Subtopics
1.2.1 Microprocessor
1.2.2 CMOS RAM and CMOS RAM Extension
1.2.3 ROM BIOS
1.2.4 VGA
1.2.5 Serial Port
1.2.6 Parallel Port
1.2.7 Diskette-Drive Controller
1.2.8 Keyboard Connector and Pointing-Device Connector
IBM PS/2 Model 80 HMR
System-Board Features
¦ Copyright IBM Corp. 1990
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