IBM N51 Series

System Board (Bottom View)
.1/ I/O Panel Connector
.2/ Voltage Converter Connector
.3/ System Expansion Port (120-pin)
.4/ Password-Override Connector
.5/ Memory-Module Kit Connector
.6/ Hard-Disk Drive Connector
.7/ Voltage Converter Connector
.8/ Hard-Disk Drive Connector
.9/ Diskette-Drive Connector
.1ð/ Diskette-Drive Connector
.11/ I/O Panel Connector
.12/ I/O Panel Connector
161
62
120
(Bottom View)
2 3
4
56
7
8
9
0
2
104 IBM Mobile Systems HMM - Volume 1