Locating Parts On The System Board; Accessing System Board Components And Drives - Lenovo ThinkCentre 9120 Hardware Maintenance Manual

Locating parts on the system board

Accessing system board components and drives

You might need to remove the drive bay assembly to access system board
components such as memory, the battery, and CMOS.
To access system board components and the drives:
1. Remove the computer cover. See "Removing the cover" on page 113.
2. Remove the front bezel by releasing the three tabs and pivoting the bezel
1
Microprocessor fan connector
2
Microprocessor and heat sink
3
Memory connector 1
4
Memory connector 2
5
Memory connector 3
6
Memory connector 4
7
Cover presence switch connector
8
Diskette drive connector
9
IDE connector
10
Power connector
11
Front system fan connector
12
SATA IDE connectors (4)
13
Front panel connector
forward to remove completely.
14
Front USB connectors (2)
15
Battery
16
Clear CMOS/Recovery jumper
17
Serial (COM) connector
18
PCI adapter connectors
19
Mono (speaker) connector
20
Front audio connector
21
CD-IN connector
22
PCI Express x16 graphics adapter
connector
23
PCI Express x1 adapter connector
24
System fan connector
25
12v power connector
Chapter 9. Replacing FRUs - Desktop computers
115