NEC Express 5800/120Lg, Service Manual

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Contents v
Modifying the System Board ........................................................................................... 4-10
Replacing the Real-time Clock Battery....................................................................... 4-10
Removing and Installing a Processor.......................................................................... 4-13
CPU Installation .................................................................................................. 4-14
CPU Removal...................................................................................................... 4-19
DIMMs........................................................................................................................ 4-20
Installing DIMMs................................................................................................ 4-21
Removing DIMMs .............................................................................................. 4-23
Hard Disk Drives.............................................................................................................. 4-25
Installation................................................................................................................... 4-25
Removal ...................................................................................................................... 4-28
Auto Rebuild Functionality......................................................................................... 4-29
Hot-Swap Power Supply .................................................................................................. 4-30
Installation................................................................................................................... 4-30
Removal ...................................................................................................................... 4-33
Non-Hot-Swap Power Supply.......................................................................................... 4-34
Removal ...................................................................................................................... 4-34
Front Cooling Fan Unit .................................................................................................... 4-35
Installation................................................................................................................... 4-35
Removal ...................................................................................................................... 4-37
Removable 5.25-inch Media Devices .............................................................................. 4-38
Installation................................................................................................................... 4-39
Removal ...................................................................................................................... 4-40
PCI Boards ....................................................................................................................... 4-41
Installation................................................................................................................... 4-42
Removal ...................................................................................................................... 4-44
RAID Controller Board.................................................................................................... 4-45
Using Internal Disks in Disk Array Configuration ..................................................... 4-47
Diskette Drive and Carrier Assembly .............................................................................. 4-48
Front Bezel and Front Bezel Hinge (Tower-Based System) ............................................ 4-50
Front Panel ....................................................................................................................... 4-51
Hot-Swap HDD Bay......................................................................................................... 4-53
Hot-Swap SCSI Backplane .............................................................................................. 4-54
Replacing the Rear Cooling Fan ...................................................................................... 4-56
System Board ................................................................................................................... 4-58
Power Supply Back Board ............................................................................................... 4-60
Tower Feet ....................................................................................................................... 4-62
I/O Shield ......................................................................................................................... 4-63
LED/Switch Assembly..................................................................................................... 4-64
Intrusion Switch Assembly .............................................................................................. 4-65
5. Problem Solving
Problem Solving................................................................................................................. 5-2
Static Precautions ............................................................................................................... 5-2
Resetting the Server ........................................................................................................... 5-3
Forced Shutdown ............................................................................................................... 5-4
Troubleshooting Checklists................................................................................................ 5-5
Initial System Startup.................................................................................................... 5-5
Running New Application Software ............................................................................. 5-6
After System Has Been Running Correctly .................................................................. 5-7
Diagnostic Procedures........................................................................................................ 5-8
Error Checking.............................................................................................................. 5-8
Troubleshooting Guide ................................................................................................. 5-8