IBM PS/2 35 SX Hardware Maintenance Reference page 10

1.2 System-Board Features
The major features of the system board are:
20-MHz microprocessor
Math coprocessor connector
CMOS RAM
16-bit VGA graphics controller
Serial port
Parallel port
Keyboard connector
Diskette-drive controller
Pointing-device (mouse) connector.
Subtopics
1.2.1 Microprocessor
1.2.2 CMOS RAM
1.2.3 ROM BIOS
1.2.4 16-bit VGA Graphics Controller
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 35 SX, 35 LS, 35 SLC HMR
System-Board Features
¦ Copyright IBM Corp. 1991, 1992
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