Lenovo ThinkCentre M72e Hardware Maintenance Manual (HMM) - Page 85

Clear CMOS Complementary Metal Oxide Semiconductor, Memory slot 2 DIMM2

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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 Chapter 8. Locations 81

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Figure 10. System board part locations
1
4-pin power connector
12
SATA connectors (4)
2
Microprocessor
13
Front USB connector 2 (for connecting additional USB
devices)
3
Microprocessor fan connector
14
Clear CMOS (Complementary Metal Oxide Semiconductor)
/Recovery jumper
4
Memory slot 1 (DIMM1)
15
Battery
5
Memory slot 2 (DIMM2)
16
Cover presence switch connector (Intrusion switch
connector)
6
Thermal sensor connector
17
Serial (COM2) connector
7
24-pin power connector
18
Front audio connector
8
Power fan connector
19
Internal speaker connector
9
Parallel connector
20
PCI Express x1 card slots (2)
10
Front panel connector (for connecting LED
indicators and power switch)
21
PCI Express x16 graphics card slot
11
Front USB connector 1 (for connecting USB
ports 1 and 2 on the front bezel)
22
System fan connector
Chapter 8
.
Locations
81