Locating parts on the system board
The following illustration shows the locations of the parts on the system board.
Figure 5. System board part locations
1
Heat sink (with the microprocessor underneath)
3
Cover-presence-switch connector (intrusion switch
connector)
5
Internal speaker connector
7
Coin-cell battery
9
SATA 2.0 connector
11
Serial (COM) connector
13
Microprocessor fan connector
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ThinkCentre M53 Hardware Maintenance Manual
2
Clear CMOS /Recovery jumper
4
Memory slot
6
Power button board cable connector
8
Mini PCI Express card slot
10
Hard disk drive power connector
12
Optional USB 2.0 connector