HP dc7900 - Convertible Minitower PC

Installing the New Optical Drive ....................................................................................... 193
Optical Drive Connector ................................................................................................................... 193
Hard Drive ........................................................................................................................................ 195
Hard Drive Cage ............................................................................................................................... 199
Port Cover ........................................................................................................................................ 200
Front Fan .......................................................................................................................................... 201
Speaker ............................................................................................................................................ 202
Rear Fan .......................................................................................................................................... 203
Heatsink ........................................................................................................................................... 204
Processor ......................................................................................................................................... 205
System Board ................................................................................................................................... 206
Hood Sensor .................................................................................................................................... 208
Battery .............................................................................................................................................. 208
Changing from Desktop to Tower Configuration .............................................................................. 210
Appendix A Connector Pin Assignments
Keyboard .......................................................................................................................................... 212
Mouse ............................................................................................................................................... 212
Ethernet BNC ................................................................................................................................... 212
Ethernet RJ-45 ................................................................................................................................. 213
Ethernet AUI ..................................................................................................................................... 213
Parallel Interface .............................................................................................................................. 214
Serial Interface, Powered and Non-Powered ................................................................................... 214
USB .................................................................................................................................................. 215
Microphone ....................................................................................................................................... 215
Headphone ....................................................................................................................................... 215
Line-in Audio .................................................................................................................................... 215
Line-out Audio .................................................................................................................................. 215
External Infrared Transceiver ........................................................................................................... 216
Monitor ............................................................................................................................................. 216
ATA/ATAPI (IDE) Standard Drive Cable .......................................................................................... 217
CD-ROM 50-Pin Connector .............................................................................................................. 218
24-Pin Power .................................................................................................................................... 218
24-Pin MicroFit Power (CMT, SFF) .................................................................................................. 219
4-Pin Power (for CPU) ...................................................................................................................... 219
6-Pin Power (for CPU) (CMT, SFF) .................................................................................................. 219
SATA Data and Power ..................................................................................................................... 220
PCI Express .................................................................................................................................... 220
PCI Express ..................................................................................................................................... 221
PCI Express Mini Card ..................................................................................................................... 222
DVI Connector .................................................................................................................................. 223
Appendix B Power Cord Set Requirements
General Requirements ..................................................................................................................... 224
Japanese Power Cord Requirements ..............................................................................................
224
Country-Specific Requirements ........................................................................................................ 225
Appendix C POST Error Messages
POST Numeric Codes and Text Messages ..................................................................................... 227
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