HP rp7420, Service Manual, Page: 6 / 127

4 Cabling and Powering the Server
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51
AC Input Power....................................................................................................................................51
Checking the Voltage............................................................................................................................52
Checking the Voltage (Additional Procedure)......................................................................................54
MP Core I/O Connections.....................................................................................................................55
MP/SCSI Connections......................................................................................................................55
LAN/SCSI Connections...................................................................................................................56
Management Processor Access........................................................................................................56
Setting Up the Customer Engineer Tool (PC) .................................................................................56
Setting CE Tool Parameters........................................................................................................56
Connecting the CE Tool to the Local RS-232 Port on the MP ....................................................57
Standby Power and Logging In to the MP......................................................................................57
Configuring LAN Information For the MP.....................................................................................58
Accessing the MP Through a Web Browser....................................................................................60
Verifying the Presence of the Cell Boards.......................................................................................61
Booting the HP 9000 rp7420 Server ......................................................................................................62
Selecting a Boot Partition Using the MP..........................................................................................63
Verifying the System Configuration using Boot Console Handler.................................................63
Booting HP-UX using Boot Console Handler.................................................................................63
Adding Processors With Instant Capacity On Demand.......................................................................64
Using the Checklist...............................................................................................................................64
5 Troubleshooting ............................................................................................................ 67
Common Installation Problems............................................................................................................67
The Server Does Not Power On.......................................................................................................67
The Server Powers On Then Shuts Off With a Fault Light.............................................................68
Cell Board Extraction Levers...........................................................................................................68
LED Indicators......................................................................................................................................69
Front Panel LEDs.............................................................................................................................69
Bulk Power Supply LEDs................................................................................................................70
PCI Power Supply LEDs..................................................................................................................71
System and PCI I/O Fan LEDs.........................................................................................................72
OL* LEDs.........................................................................................................................................72
PCI OL* Card Divider LEDs............................................................................................................73
Core I/O LEDs..................................................................................................................................74
Core I/O Buttons..............................................................................................................................76
PCI-X Hot-Plug LED OL* LEDs......................................................................................................77
Disk Drive LEDs..............................................................................................................................77
Server Management Subsystem Hardware Overview.........................................................................78
Server Management Overview.............................................................................................................79
Server Management Behavior...............................................................................................................80
Thermal Monitoring........................................................................................................................80
Fan Control......................................................................................................................................80
Power Control..................................................................................................................................81
Server Management Commands..........................................................................................................81
6 Removing and Replacing Server Components
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83
HP 9000 rp7420 Server Customer Replaceable Units ..........................................................................83
Hot-Pluggable CRUs.......................................................................................................................83
Hot-Swappable CRUs......................................................................................................................83
Other CRUs......................................................................................................................................83
Safety and Environmental Considerations ..........................................................................................83
Communications Interference ........................................................................................................83
6 Table of Contents