HP 550 Maintenance And Service Manual page 7

System DMA specifications ................................................................................................................ 93
System interrupt specifications ........................................................................................................... 94
System I/O address specifications ..................................................................................................... 95
System memory map specifications ................................................................................................... 97
7 Screw listing
Phillips PM2.0×5.0 captive screw ....................................................................................................... 99
Phillips PM2.5×12.0 captive screw ................................................................................................... 100
Phillips PM3.0×4.0 screw ................................................................................................................. 101
Phillips PM2.5×4.0 screw ................................................................................................................. 102
Slotted Torx ST8M2.5×7.0 screw ..................................................................................................... 103
Phillips PM2.0×4.0 screw ................................................................................................................. 105
Torx T8M2.5×9.0 screw ................................................................................................................... 107
Torx T8M2.5×3.0 broadhead screw ................................................................................................. 108
Torx T8M2.5×4.0 screw ................................................................................................................... 109
Phillips PM2.0×2.0 broadhead screw ............................................................................................... 111
Torx T8M2.5×6.0 screw ................................................................................................................... 112
Phillips PM2.0×6.0 screw ................................................................................................................. 113
Torx T8M2.0×4.0 screw ................................................................................................................... 114
Phillips PM2.5×7.0 screw ................................................................................................................. 115
Phillips PM2.5×7.0 captive screw ..................................................................................................... 116
Phillips PM2.5×10.0 captive screw ................................................................................................... 117
Phillips PM2.0×8.0 screw ................................................................................................................. 118
8 Backup and recovery
Backup and recovery in Windows Vista ........................................................................................... 120
Overview .......................................................................................................................... 120
Backing up your information ............................................................................................ 120
Performing a recovery ..................................................................................................... 121
Backup and Recovery in Windows XP ............................................................................................. 124
Overview .......................................................................................................................... 124
Backing up your information ............................................................................................ 124
Performing a recovery ..................................................................................................... 125
9 Connector pin assignments
Audio-out (headphone) ..................................................................................................................... 126
Audio-in (microphone) ...................................................................................................................... 126
External monitor ............................................................................................................................... 127
Using the Windows recovery tools .................................................................. 121
Using f11 ......................................................................................................... 122
Using a Windows Vista operating system DVD (purchased separately) ........ 122
Recovering your information ........................................................................... 125
Recovering the operating system and programs ............................................ 125
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