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Locating parts on the system board
Figure 5 “System board parts locations” on page 76 shows the location of parts on the system board.
Figure 5. System board parts locations
1 Microprocessor
15 Front USB connector 1
2 Microprocessor fan connector
16 Front USB connector 2
3 Memory slot 1
17 Clear CMOS/Recovery jumper
4 Memory slot 2
18 Serial (COM2) connector
5 Memory slot 3 19 Front audio connector
6 Memory slot 4 20 Internal speaker connector
7 24-pin power connector
21 Adapter card slots (2)
8 Thermal sensor connector
22 Cover presence (Intrusion) switch connector
9 Diskette drive connector
23 PCI Express x1 adapter card slot
10 SATA connectors (3) 24 PCI Express x16 graphics adapter card slot
11 Parallel (LPT) connector
25 Battery
12 Power fan connector
26 System fan connector
13 eSATA connector
27 4-pin power connector
14 Front panel connector
76 ThinkCentre Hardware Maintenance Manual