HP dx2420 Service Reference Guide: HP Compaq dx2420 Business PC - Page 96

PCI Express Mini Card pin, PCI Express card

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optical drive installing 49 removing 48 overheating, prevention 22 P parallel interface pin assignments 69 PCI card 40, 42 PCI Express card 40, 42 PCI Express Mini Card pin assignments 75 PCI Express pin assignments 73 power cord set requirements country specific 77 power supply fan 24 removal and replacement 63 power switch/LED assembly removal and replacement 59 processor removal and replacement 61 product ID location 27 R rear chassis fan removal and replacement 62 removal and replacement access panel 32 battery 65 front bezel 33 front USB panel 58 heat sink 60 memory 37 power supply 63 power switch/LED assembly 59 processor 61 rear chassis fan 62 system board 64 removing bezel blanks 34 diskette drive 50 expansion slot cover 41 hard drive 53 media card reader 50 optical drive 48 PCI card 42 PCI Express card 42 S safety precautions cleaning 23 SATA connectors on system board 16 data cable pinouts 17 hard drive characteristics 16 pin assignments 72 power cable pinouts 17 screws, correct size 25 security cable lock 29 HP Business PC Security Lock 30 padlock 29 serial interface pin assignments 70 serial number location 27 service considerations 24 software backing up 14 servicing computer 24 spare part number tamper-resistent wrench 25 Torx T-15 screwdriver 24 specifications computer 87 memory 37 static electricity 20 system board removal and replacement 64 SATA connectors 16 system board connections 36 T tamper-proof screws tool 25 temperature control 22 tools, servicing 24 Torx T15 screwdriver 24 U USB pin assignments 70 V ventilation, proper 22 90 Index

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optical drive
installing
49
removing
48
overheating, prevention
22
P
parallel interface pin
assignments
69
PCI card
40,
42
PCI Express card
40,
42
PCI Express Mini Card pin
assignments
75
PCI Express pin assignments
73
power cord set requirements
country specific
77
power supply
fan
24
removal and replacement
63
power switch/LED assembly
removal and replacement
59
processor
removal and replacement
61
product ID location
27
R
rear chassis fan
removal and replacement
62
removal and replacement
access panel
32
battery
65
front bezel
33
front USB panel
58
heat sink
60
memory
37
power supply
63
power switch/LED
assembly
59
processor
61
rear chassis fan
62
system board
64
removing
bezel blanks
34
diskette drive
50
expansion slot cover
41
hard drive
53
media card reader
50
optical drive
48
PCI card
42
PCI Express card
42
S
safety precautions
cleaning
23
SATA
connectors on system
board
16
data cable pinouts
17
hard drive characteristics
16
pin assignments
72
power cable pinouts
17
screws, correct size
25
security
cable lock
29
HP Business PC Security
Lock
30
padlock
29
serial interface pin
assignments
70
serial number location
27
service considerations
24
software
backing up
14
servicing computer
24
spare part number
tamper-resistent wrench
25
Torx T-15 screwdriver
24
specifications
computer
87
memory
37
static electricity
20
system board
removal and replacement
64
SATA connectors
16
system board connections
36
T
tamper-proof screws
tool
25
temperature control
22
tools, servicing
24
Torx T15 screwdriver
24
U
USB pin assignments
70
V
ventilation, proper
22
90
Index