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