HP dc7900 - Convertible Minitower PC User Manual

Cable Management .......................................................................................................................... 137
Cable Connections ........................................................................................................................... 138
Drives ............................................................................................................................................... 139
Drive Positions ................................................................................................................. 139
Installing and Removing Drives ....................................................................................... 140
System Board Drive Connections ................................................................... 142
Removing an Optical Drive ............................................................................. 143
Installing an Optical Drive into the 5.25-inch Drive Bay .................................. 144
Removing an External 3.5-inch Drive .............................................................. 147
Installing a Drive into the 3.5-inch External Drive Bay .................................... 150
Removing and Replacing the Primary 3.5-inch Internal SATA Hard Drive ..... 152
Removing and Replacing a Removable 3.5-inch SATA Hard Drive ............... 156
Fan Shroud ....................................................................................................................................... 161
Front Fan Assembly ......................................................................................................................... 162
Hood Sensor .................................................................................................................................... 163
Power Switch Assembly ................................................................................................................... 164
Front I/O Device ............................................................................................................................... 165
Speaker ............................................................................................................................................ 165
Smart Cover Lock ............................................................................................................................. 166
Heatsink ........................................................................................................................................... 167
Processor ......................................................................................................................................... 168
Power Supply ................................................................................................................................... 169
System Board ................................................................................................................................... 171
Backwall ........................................................................................................................................... 172
Battery .............................................................................................................................................. 173
Type 1 Battery Holder ...................................................................................................... 174
Type 2 Battery Holder ...................................................................................................... 174
Type 3 Battery Holder ...................................................................................................... 175
Using the Small Form Factor Computer in a Tower Orientation ...................................................... 176
9 Removal and Replacement Procedures Ultra-Slim Desktop (USDT) Chassis
Preparation for Disassembly ............................................................................................................ 178
External Security Devices ................................................................................................................ 179
Installing a Security Lock ................................................................................................. 179
Cable Lock ...................................................................................................... 179
Padlock ........................................................................................................... 180
HP Business PC Security Lock ....................................................................... 180
Computer Access Panel ................................................................................................................... 183
Front Bezel ....................................................................................................................................... 184
Bezel Blank ...................................................................................................................................... 185
Installing Additional Memory ............................................................................................................ 186
SODIMMs ........................................................................................................................ 186
DDR2-SDRAM SODIMMs ............................................................................................... 186
Populating SODIMM Sockets .......................................................................................... 187
Installing SODIMMs ......................................................................................................... 188
Cable Management .......................................................................................................................... 190
Cable Connections ........................................................................................................................... 191
Replacing the Optical Drive .............................................................................................................. 191
Removing the Existing Optical Drive ............................................................................... 191
Preparing the New Optical Drive ..................................................................................... 192
ix

HP dc7900 - Convertible Minitower PC Specifications

General

Chipset	Intel Q45 Express
Memory	Up to 16 GB DDR2 SDRAM
Audio	Integrated High Definition Audio
Form Factor	Convertible Minitower
Processor	Intel Core 2 Duo, Core 2 Quad, Pentium Dual-Core
Storage	SATA Hard Drives
Graphics	Intel Graphics Media Accelerator 4500, optional discrete graphics
Optical Drive	DVD-ROM, DVD+/-RW
Network	Integrated Intel Gigabit Network Connection
Ports	USB 2.0, serial, parallel, audio in/out
Expansion Slots	PCI, PCIe x1, PCIe x16
Operating System	Windows Vista, Windows 7