IBM PS/2 N51 SX HMR Manual page 50

7.3 Interior View
1 Diskette Drive
2 I/O Panel Assembly
3 Voltage Converter
4 System Board
5 Speaker
6 Hard Disk Drive
7 Backup Battery
8 Optional Memory Module Kit
9 Battery Presence Switch
10 Standby Battery
11 Keyboard Assembly
IBM PS/2 Model N51 SX HMR
Interior View
PICTURE 28
¦ Copyright IBM Corp. 1991
7.3 - 1