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Locating parts on the system board
Figure 4 “System board part locations” on page 11 shows the locations of the parts on the system board.
Figure 4. System board part locations
1 4-pin power connector
15 eSATA connector
2 Microprocessor
16 Power fan connector
3 Microprocessor fan connector
17 Front panel connector (for connecting LED indicators and
power switch)
4 Memory slot 1 (DIMM1) 18 Front USB connector 1 (for connecting USB ports 1 and 2
on the front bezel)
5 Memory slot 2 (DIMM2) 19 Front USB connector 2 (for connecting additional USB
devices)
6 Memory slot 3 (DIMM3) 20 Serial (COM2) connector
7 Memory slot 4 (DIMM4)
21 Internal speaker connector
8 Thermal sensor connector 22 Front audio connector
9 24-pin power connector
23 PCI card slots (2)
10 Battery
24 PCI Express x1 card slot
11 Clear CMOS (Complementary Metal Oxide
Semiconductor) /Recovery jumper
25 PCI Express x16 graphics card slot
12 Parallel connector
26 System fan connector
13 SATA connector 1 (SATA 3.0 connector) 27 Cover presence switch connector (Intrusion switch
connector)
14 SATA connectors 2 and 3 (SATA 2.0 connectors) 28 PS/2 keyboard and mouse connector
Chapter 1. Product overview 11