Lenovo ThinkCentre M72e Hardware Maintenance Manual page 85

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