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Dell Dimension E521 User Manual Page 63
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Table of contents
TROUBLESHOOTING
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DC Power Connector P10
Back to Contents Page
Pin Number
Signal Name
22
-
AWG Wire
1
+5 VDC
Red
2
GND
Black
3
GND
Black
4
+12 VADC
Yellow
Pin Number
Signal name
18
-
AWG Wire
1
+12 VBDC
White
2
GND
Black
3
GND
Black
4
+5 VDC
Red
1
2
...
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About Your Computer
2
Back View of the Computer
3
Back Panel Connectors
3
Advanced Troubleshooting
5
Beep Codes
6
System Messages
6
Dell Diagnostics
8
Drivers
9
Reinstalling Drivers
10
Before You Begin
12
Memory
15
Installing Memory
16
Cards
17
PCI Cards
18
Removing a PCI Card
20
PCI Express Cards
21
Removing a PCI Express Card
23
Drive Panel
24
Installing the Drive Panel
25
Drives
26
Hard Drive
27
Removing a Hard Drive
28
Installing a Hard Drive
28
Floppy Drive
30
Removing a Floppy Drive
31
Installing a Floppy Drive
32
Media Card Reader
33
CD/DVD Drive
35
Installing a CD/DVD Drive
36
Battery
38
Power Supply
38
Replacing the Power Supply
39
Processor
40
Installing the Processor
41
I/O Panel
43
Processor Fan
44
Installing the Processor Fan
45
System Board
46
Installing the System Board
47
Specifications
50
System Setup
53
System Setup Options
54
Boot Sequence
56
Clearing CMOS Settings
58
Flashing the BIOS
58
Technical Overview
60
DC Power Connector P1
61
DC Power Connector P2
62
DC Power Connector P7
62
DC Power Connector P10
63
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