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Battery .............................................................................................................................................. 166
Type 1 Battery Holder ...................................................................................................... 167
Type 2 Battery Holder ...................................................................................................... 167
Type 3 Battery Holder ...................................................................................................... 168
External Security Devices ................................................................................................................ 169
Installing a Security Lock ................................................................................................. 169
Cable Lock ...................................................................................................... 169
Padlock ........................................................................................................... 170
HP Business PC Security Lock ....................................................................... 170
Front Bezel Security ........................................................................................ 172
Using the Small Form Factor Computer in a Tower Orientation ...................................................... 174
Appendix A Connector Pin Assignments
Keyboard .......................................................................................................................................... 175
Mouse ............................................................................................................................................... 175
Ethernet RJ-45 ................................................................................................................................. 176
Serial Interface, Powered and Non-Powered ................................................................................... 176
USB .................................................................................................................................................. 176
Microphone ....................................................................................................................................... 177
Headphone ....................................................................................................................................... 177
Line-in Audio .................................................................................................................................... 177
Line-out Audio .................................................................................................................................. 177
Monitor ............................................................................................................................................. 178
4-Pin Power (for CPU) ...................................................................................................................... 178
PCI Express ..................................................................................................................................... 179
PCI Express .................................................................................................................................... 180
DVI Connector .................................................................................................................................. 181
DisplayPort Connector ..................................................................................................................... 182
Appendix B Power Cord Set Requirements
General Requirements ..................................................................................................................... 183
Japanese Power Cord Requirements .............................................................................................. 183
Country-Specific Requirements ........................................................................................................ 184
Appendix C POST Error Messages
POST Numeric Codes and Text Messages ..................................................................................... 186
Interpreting POST Diagnostic Front Panel LEDs and Audible Codes .............................................. 192
Appendix D Troubleshooting Without Diagnostics
Safety and Comfort .......................................................................................................................... 196
Before You Call for Technical Support ............................................................................................. 196
Helpful Hints ..................................................................................................................................... 197
Solving General Problems ................................................................................................................ 199
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