
8
Contents
Chapter 5
Servicing Your Mainframe ....................................................................................... 205
Chapter Overview ..................................................................................................... 205
Problem Isolation ...................................................................................................... 205
No Power Line Fuse .......................................................................................... 205
Replacing Assemblies............................................................................................... 206
Removing the Rear Panel from the Mainframe ................................................ 207
Removing the Mainframe Cover ....................................................................... 208
Replacing the Internal Temperature Sensor Boards .......................................... 209
Replacing the Enhanced Monitor Controller Board .......................................... 210
Replacing the HP E8402A Power Supply ......................................................... 211
Replacing the HP E8404A Power Supply ......................................................... 212
Replacing the Impeller ...................................................................................... 213
Replacing the Enhanced Monitor Display Lamp .............................................. 214
Replacement Power Cords........................................................................................ 215
Appendix A
HP E8402, E8404A Product Specifications ............................................................. 217
Product Descriptions................................................................................................. 217
General Specifications ....................................................................................... 217
Mechanical Specifications ................................................................................. 217
Output Power Specifications .................................................................................... 218
Total Available and Usable Power .................................................................... 218
Peak and Dynamic Current ............................................................................... 218
Output Voltage Specifications .......................................................................... 219
Input Power Requirements........................................................................................ 219
Cooling Specifications .............................................................................................. 220
Cooling Specification Charts ............................................................................ 220
Acoustical Noise Specifications ............................................................................... 222
Backplane Specifications .......................................................................................... 222
General Monitor Specifications ................................................................................ 222
Enhanced Monitor Specifications ............................................................................. 223
Environmental Specifications ................................................................................... 225
Appendix B
Rack Mounting and Option Installation ................................................................. 229
Chapter Overview ..................................................................................................... 229
Rack Mounting the HP E840xA Mainframe ............................................................ 229
Parts List ............................................................................................................ 230
Rack Mounting the HP E840xA using Support Rails ....................................... 231
Procedure ........................................................................................................... 231
Rack Mounting the HP E840xA Using Rack Slide Rails ................................. 235
Procedure ........................................................................................................... 235
Installing the Cable Tray........................................................................................... 240
Parts List ............................................................................................................ 240
Procedure ........................................................................................................... 240
Installing the Tinted Acrylic Door (Option 915) ...................................................... 242
Parts List ............................................................................................................ 242
Summary of Contents for E8402A
Page 8: ...10 Contents ...
Page 12: ...14 Notes ...
Page 14: ......
Page 26: ...28 Getting Started Chapter 1 ...
Page 42: ...44 Using the Enhanced Monitor Chapter 2 ...
Page 214: ...216 Servicing Your Mainframe Chapter 5 ...
Page 226: ...228 HP E8402 E8404A Product Specifications Appendix A ...