Lenovo ThinkCentre A63 Hardware Maintenance Manual - Page 77

Removing and reinstalling the front bezel

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Figure 5. System board part locations 1 Microprocessor 2 Microprocessor fan connector 3 Memory slots (2) 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 Removing and reinstalling the front bezel Attention Do not open your computer or attempt any repair before reading and understanding the "Important safety information" in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to remove and reinstall the front bezel. Chapter 8. Replacing FRUs 71

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Figure 5. System board part locations
1
Microprocessor
11
Cover presence switch connector(also called intrusion
switch connector)
2
Microprocessor fan connector
12
Front USB connector
3
Memory slots (2)
13
Serial (COM 2) connector
4
Thermal sensor connector
14
PCI card slot
5
24-pin power connector
15
Power fan connector
6
Battery
16
Internal speaker connector
7
Clear CMOS (Complementary Metal Oxide
Semiconductor)/Recovery jumper
17
Front audio connector
8
SATA connectors (4)
18
PCI Express x1 card slots (2)
9
Front panel connector
19
PCI Express x16 graphics card slot
10
Front USB connector
20
System fan connector
21
4-pin power connector
Removing and reinstalling the front bezel
Attention
Do not open your computer or attempt any repair before reading and understanding the “Important safety information”
in the
ThinkCentre Safety and Warranty Guide
that came with your computer. To obtain a copy of the
ThinkCentre
Safety and Warranty Guide
, go to:
This section provides instructions on how to remove and reinstall the front bezel.
Chapter 8
.
Replacing FRUs
71