Red Hat LC2000r - NetServer - 128 MB RAM Manuale di Servizio Scaricare il pdf (Pagina 51)

Chapter 5 Troubleshooting

NOTE This information assumes that the customer is booting MS-DOS (DiagTools is based

on MS-DOS). If the customer is not using MS-DOS, reboot the system with a DOS

diskette.

When troubleshooting:

1 2 ... 46 47 48 49 50 51 52 53 54 55 56 ... 106 107

HP NetServer LC 2000 1
Service Manual 1
Audience Assumptions 2
Contents 3
1 General Information 7
Right Cover 8
Thumbscrews (2) 8
Foot (4) 10
Anti-Tip 10
Foot Extended 10
Slide Securing Screws (2) 11
Hinge Pins(3) Handles(2) 11
Top Cover 12
Bottom Cover 12
Cover Pull 12
Lights and Indicators 13
Rear Panel 14
Communication Ports 14
2 System Information 17
Connector Pinouts 18
Parallel Port Connector 19
Mini-DIN Connectors 19
Technical Specification 20
Power Supply 21
Environmental Requirements 21
Physical Requirements 23
Switch Settings 24
System Board Illustrations 25
3 Parts Information 29
Mass Storage Exploded View 30
Replaceable Parts List 30
Chapter3 Parts Information 31
Chapter 3 Parts Information 32
4 Diagnostics 33
DiagTools Capabilities 34
Event Log Display Utility 35
POST Routines 35
Chapter 4 Diagnostics 36
Beep Codes 37
Error Messages 38
5 Troubleshooting 49
Troubleshooting Checklist 50
When troubleshooting: 51
Chapter 5 Troubleshooting 52
BIOS Recovery 53
Password Problems 55
General System Problems 55
DIMM Memory Problems 58
CD-ROM Problems 59
Flexible Disk Drive Problems 61
Keyboard and Mouse Problems 61
Network Interface Problems 62
Power Problems 63
Printer/Datacomm Problems 65
SCSI Subsystem Problems 66
PCI Board Problems 69
Video/Monitor Problems 70
6 Replacing Parts 73
Replacing the System Battery 74
Replacing the Bezel 75
Replacing the Pedestal Bezel 76
Removing the Rack Bezel 76
Replacing the CD ROM Drive 77
Replacing the Control Panel 78
Chapter 6 Replacing Parts 79
Replacing DIMMs 80
DIMM Replacement 81
Retaining 82
Thumbscrew 83
Replacing the Duplex Card 84
Replacing the Fan Assembly 87
Captive Screws 89
chassis 89
Replacing Hot Swap Drives 91
Drive Spacer 92
Replacing PCI-Latch Hardware 94
Replacing a Power Supply 95
Power Supply Bay 96
Power Supply #1 96
(Power Supply #2) 96
Power Supply Replacement 97
Captive Screw Locations 100
Replacing the System Board 101
Processor Cage 102
Replacing VRMs 103
Rotate latches out 104

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Red Hat LC2000r - NetServer - 128 MB RAM Manuale di Servizio Pagina 51

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