Installing Additional Drives ................................................................................................. 90
System Board Drive Connections ..................................................................... 91
Removing an Optical Drive ............................................................................... 92
Installing an Optical Drive into the 5.25-inch Drive Bay .................................... 93
Removing an External 3.5-inch Drive ................................................................ 95
Installing a Drive into the 3.5-inch External Drive Bay ...................................... 97
Removing an Internal 3.5-inch Hard Drive ...................................................... 100
Installing an Internal 3.5-inch Hard Drive ........................................................ 102
Memory ............................................................................................................................................ 104
DDR2-SDRAM DIMMs .................................................................................................... 104
Populating DIMM Sockets ............................................................................................... 105
Installing DIMMs .............................................................................................................. 106
Removing or Installing an Expansion Card ...................................................................................... 109
Plastic Wire/Cable Fastener and Clips ............................................................................................. 113
Front I/O Device ............................................................................................................................... 114
Power Switch Assembly ................................................................................................................... 115
Speaker ............................................................................................................................................ 116
Heatsink ........................................................................................................................................... 117
Processor ......................................................................................................................................... 118
Power Supply ................................................................................................................................... 119
System Board ................................................................................................................................... 121
Battery .............................................................................................................................................. 122
Type 1 Battery Holder ...................................................................................................... 123
Type 2 Battery Holder ...................................................................................................... 123
Type 3 Battery Holder ...................................................................................................... 124
Installing a Security Lock .................................................................................................................. 125
Cable Lock ....................................................................................................................... 125
Padlock ............................................................................................................................ 125
HP Business PC Security Lock ........................................................................................ 126
Appendix A Connector Pin Assignments
Keyboard .......................................................................................................................................... 128
Mouse ............................................................................................................................................... 128
Ethernet BNC ................................................................................................................................... 128
Parallel Interface .............................................................................................................................. 129
Serial Interface, Powered and Non-Powered ................................................................................... 129
USB .................................................................................................................................................. 130
Microphone ....................................................................................................................................... 130
Headphone ....................................................................................................................................... 130
Line-in Audio .................................................................................................................................... 130
Line-out Audio .................................................................................................................................. 130
Monitor ............................................................................................................................................. 131
24-Pin Power .................................................................................................................................... 131
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