Lenovo ThinkCentre M76 Hardware Maintenance Manual for ThinkCentre M76 - Page 121

computer comes with the following factory-installed drives, An optical drive in bay 1

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Locating parts on the system board Figure 50 "System board part locations" on page 117 shows the locations of the parts on the system board. Figure 50. System board part locations 1 Microprocessor 2 Microprocessor fan connector 3 Memory slots (4) 4 Thermal sensor connector 5 24-pin power connector 6 Battery 7 Clear CMOS (Complementary Metal Oxide Semiconductor) /Recovery jumper 8 SATA connectors (4) 9 Front panel connector 10 Front USB connector 11 Cover presence switch connector (also called intrusion switch connector) 12 Front USB connector 13 Serial (COM 2) connector 14 PCI card slot 15 Power fan connector 16 Internal speaker connector 17 Front audio connector 18 PCI Express x1 card slots (2) 19 PCI Express x16 graphics card slot 20 System fan connector 21 4-pin power connector Locating internal drives Internal drives are devices that your computer uses to read and store data. You can add drives to your computer to increase storage capacity and enable your computer to read other types of media. Internal drives are installed in bays. In this manual, the bays are referred to as bay 1, bay 2, and so on. Your computer comes with the following factory-installed drives: • An optical drive in bay 1 • A 3.5-inch hard disk drive in bay 3 Chapter 9. Replacing FRUs (Machine Types: 3120, 3122, 3126, and 3128.) 117

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Locating parts on the system board
Figure 50 “System board part locations” on page 117 shows the locations of the parts on the system board.
Figure 50. System board part locations
1
Microprocessor
12
Front USB connector
2
Microprocessor fan connector
13
Serial (COM 2) connector
3
Memory slots (4)
14
PCI card slot
4
Thermal sensor connector
15
Power fan connector
5
24-pin power connector
16
Internal speaker connector
6
Battery
17
Front audio connector
7
Clear CMOS (Complementary Metal Oxide
Semiconductor) /Recovery jumper
18
PCI Express x1 card slots (2)
8
SATA connectors (4)
19
PCI Express x16 graphics card slot
9
Front panel connector
20
System fan connector
10
Front USB connector
21
4-pin power connector
11
Cover presence switch connector (also called
intrusion switch connector)
Locating internal drives
Internal drives are devices that your computer uses to read and store data. You can add drives to your
computer to increase storage capacity and enable your computer to read other types of media. Internal
drives are installed in bays. In this manual, the bays are referred to as bay 1, bay 2, and so on. Your
computer comes with the following factory-installed drives:
•
An optical drive in bay 1
•
A 3.5-inch hard disk drive in bay 3
Chapter 9
.
Replacing FRUs (Machine Types: 3120, 3122, 3126, and 3128.)
117