System Board - IBM Personal System/2 CL57 SX Hardware Maintenance Reference

7.6 System Board

1 System Expansion Connector (150-pin)
2 Display Control Card
3 Serial Connector
4 I/O Panel (Parallel and External Input Device)
5 Indicator Card
6 Password-Override Connector
7 Backup Battery
8 Communication Interface (Modem/Serial)
9 Diskette Drive
10 Thermal Sensor
11 Hard Disk Drive
12 Interconnection, Trackball and Keyboard Control Card
13 Dew Point Sensor
14 Voltage Converter
15 Voltage Converter
IBM PS/2 Model CL57 SX HMR
System Board
_ Copyright IBM Corp. 1991
7.6 - 1