Contents
Safety ...............v
Guidelines for trained service technicians ....vii
Inspecting for unsafe conditions ......vii
Guidelines for servicing electrical equipment viii
Safety statements ............ix
Chapter 1. Start here .........1
Diagnosing a problem ...........1
Undocumented problems ..........3
Chapter 2. Introduction ........5
Related documentation ...........6
Notices and statements in this document .....7
Server features and specifications .......7
x3850 X5 Memory Reliability Accessibility and
Serviceability (RAS) Features ........10
Server controls, connectors, LEDs, and power . . . 13
Front view..............13
Rear view ..............16
Rear view LEDs ............17
Server power features ..........20
Internal LEDs, connectors, and jumpers .....22
Memory-card DIMM connectors ......22
Memory-card LEDs and button.......23
Microprocessor-board connectors ......24
Microprocessor-board LEDs ........24
I/O-board connectors ..........26
I/O-board LEDs ............26
I/O-board jumpers ...........27
SAS-backplane connectors ........29
Memory expansion module features and
specifications ..............29
Memory expansion module indicators, LEDs, and
power ................32
Front view..............32
Rear view ..............33
Turning the memory expansion module on and
off................34
Memory expansion module internal connectors and
buttons ................34
Chapter 3. Diagnostics ........37
Diagnostic tools .............37
Event logs ...............38
Viewing event logs through the Setup utility . . 39
Viewing event logs without restarting the server 39
Checkout procedures ...........40
About the checkout procedure .......40
Performing the checkout procedure .....41
Troubleshooting tables...........42
CD or DVD drive problems ........43
Embedded hypervisor problems ......44
General problems ...........44
Hard disk drive problems ........45
Intermittent problems ..........45
USB keyboard, mouse, or pointing-device
problems ..............46
Memory problems ...........47
Microprocessor problems .........49
Monitor or video problems ........50
Optional-device problems ........52
Power problems ............53
Serial-device problems..........55
ServerGuide problems ..........55
Software problems ...........56
Universal Serial Bus (USB) port problems . . . 57
Video problems ............57
Light path diagnostics ...........57
Remind button ............62
Light path diagnostics LEDs........63
Power-supply LEDs ...........69
IBM Dynamic System Analysis ........71
DSA editions .............72
Running DSA Preboot ..........73
Recovering the server firmware........73
In-band automatic recovery method .....74
In-band manual recovery method ......74
Out-of-band method ..........75
Nx boot failure .............75
Confirm and recover IMM boot image failure . . . 75
System-event log ............76
Solving Ethernet controller problems ......76
Solving undetermined problems .......77
Problem determination tips .........78
Chapter 4. Parts listing, Types 7145,
7146, 7143, and 7191.........81
Replaceable server components ........83
Replaceable memory expansion module components 90
Power cords ..............92
Product recovery CDs ...........94
VMware ESXi recovery CDs (Type 7145).....95
Chapter 5. Removing and replacing
components ............97
Installation guidelines ...........97
A single-power-supply server operating at 208 V
ac ................99
System reliability guidelines ........99
Working inside the server with the power on . . 99
Handling static-sensitive devices ......100
Servicing multi-node systems .......100
Internal cable routing and connectors ....101
Returning a device or component .....104
Connecting the cables ..........104
Removing and replacing server components . . . 105
Removing and replacing consumable parts and
Tier 1 CRUs .............105
Removing and replacing Tier 2 CRUs ....139
Removing and replacing FRUs ......160
© Copyright IBM Corp. 2014 iii
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