HP dc7900 - Convertible Minitower PC Service & Reference Manual page 8

Installing Additional Memory .............................................................................................................. 75
DIMMs ............................................................................................................................... 75
DDR2-SDRAM DIMMs ...................................................................................................... 75
Populating DIMM Sockets ................................................................................................. 76
Installing DIMMs ................................................................................................................ 77
Expansion Cards ................................................................................................................................ 79
Drives ................................................................................................................................................. 83
System Board Drive Connections ...................................................................................... 85
Drive Positions ................................................................................................................... 86
Removing a Drive from a Drive Bay .................................................................................. 87
Installing a 5.25-inch or 3.5-inch Drive into an External Drive Bay .................................... 91
Installing a 3.5-inch SATA Hard Drive into an Internal Drive Bay ...................................... 93
Removing and Replacing a Removable 3.5-inch SATA Hard Drive .................................. 95
Front I/O, USB, Power Switch Assembly ......................................................................................... 100
Speaker ............................................................................................................................................ 101
Rear Chassis Fan ............................................................................................................................. 102
eSATA port assembly ....................................................................................................................... 103
Heatsink ........................................................................................................................................... 104
Fan Shroud ....................................................................................................................................... 105
Processor ......................................................................................................................................... 106
Front Chassis Fan ............................................................................................................................ 107
Power Supply ................................................................................................................................... 108
System Board ................................................................................................................................... 109
Battery .............................................................................................................................................. 110
Type 1 Battery Holder ...................................................................................................... 111
Type 2 Battery Holder ...................................................................................................... 111
Type 3 Battery Holder ...................................................................................................... 112
Changing from a Minitower to a Desktop Configuration ................................................................... 113
Changing from a Desktop to a Minitower Configuration ................................................................... 115
8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis
Preparation for Disassembly ............................................................................................................ 118
Unlocking the Smart Cover Lock ...................................................................................................... 119
Smart Cover FailSafe Key ............................................................................................... 119
Using the Smart Cover FailSafe Key to Remove the Smart Cover Lock ......................... 119
External Security Devices ................................................................................................................ 121
Installing a Security Lock ................................................................................................. 121
Computer Access Panel ................................................................................................................... 125
Front Bezel ....................................................................................................................................... 126
Bezel Blanks ..................................................................................................................................... 127
Installing Additional Memory ............................................................................................................ 128
DIMMs ............................................................................................................................. 128
DDR2-SDRAM DIMMs .................................................................................................... 128
Populating DIMM Sockets ............................................................................................... 129
Installing DIMMs .............................................................................................................. 130
Expansion Cards .............................................................................................................................. 132
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Cable Lock ...................................................................................................... 121
Padlock ........................................................................................................... 122
HP Business PC Security Lock ....................................................................... 123
Front Bezel Security ........................................................................................ 125