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IBM 8685 Hardware Maintenance Manual - Page 132

Front-panel assembly

UPC - 087944957171

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6. Press the two tabs on the hot-swap board assembly and remove it from the chassis. 7. To replace the hot-swap board, line up the two tabs with the notches on the chassis and snap the assembly into place; then, connect the cable to the system board. Front-panel assembly Complete the following steps to remove the front-panel assembly. Note: v Read "Before you begin" on page 41. v Read the safety notices at "Safety information" on page 169. v Read "Handling electrostatic discharge-sensitive devices" on page 172. 1. Turn off the server. 2. Disconnect all power cords and external cables from the back of the server. 3. Remove the server cover (see "Removing the top cover (all models)" on page 51). 4. Disconnect the front-panel assembly cable from the system board (see "System-board internal cable connectors" on page 45). Note: The illustrations in this document might differ slightly from your hardware. NMI PCIA SP PS1 PCIB LOG PS3 PS2 PCIC PS4 CPU DASD FAN VRM J1 SPOEVCER TEMP J2 J7 REMIND RENDO. N J3 J8 J4 J9 J5 J10 J6 J11 J12 122 xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide

Section	Page
About this manual	5
Important safety information	5
Online support	6
Contents	7
Chapter 1. General information	11
Related publications	11
Notices and statements used in this book	12
Features and specifications	13
Server controls and indicators	14
Front view	14
Rear view	15
Turning on the server	16
Turning off the server	18
Standby mode	18
Chapter 2. Configuration	21
Using the Configuration/Setup Utility program	21
Starting the Configuration/Setup Utility program	21
Choices available from the Configuration/Setup Utility main menu	21
Additional Configuration/Setup Utility menu choices	26
Using passwords	26
Power-on password	26
Administrator password	27
Using the SCSISelect utility program	29
Starting the SCSISelect utility program	29
Choices available from the SCSISelect menu	29
Using the ServerGuide Setup and Installation CD	31
ServerGuide features	31
Setup and configuration overview	32
System Partition	33
Typical NOS installation	33
Setting up or updating multiple servers	34
Installing your NOS without ServerGuide	34
Configuring the Gigabit Ethernet controller	34
High-performance Ethernet modes	35
Ethernet port connector	35
Chapter 3. Diagnostics	37
General checkout	37
Diagnostic tools overview	39
POST error logs	39
Viewing error logs from the Configuration/Setup Utility program	40
Viewing error logs from diagnostic programs	40
Diagnostic programs and error messages	40
Text messages	40
Starting the diagnostic programs	41
Viewing the test log	42
Viewing the System Error log	42
Diagnostic error message tables	42
Identifying problems using status LEDs	42
LEDs for Active PCI slots	43
Power-supply LEDs	43
Light Path Diagnostics	44
Diagnostic panel LEDs	44
Remind button	45
Light Path Diagnostics	45
Error symptoms	45
Error symptom charts	45
Small computer system interface messages	45
Memory errors	46
ServerGuide error symptoms	46
Power checkout	47
Troubleshooting the Ethernet controller	47
Network connection problems	47
Ethernet controller troubleshooting chart	48
Ethernet controller messages	49
Recovering the BIOS code	49
Chapter 4. Customer replaceable units	51
Before you begin	51
System reliability considerations	51
Working inside the server with the power on	51
Handling static-sensitive devices	52
Major components of the xSeries 255 Type 8685 server	52
System-board component locations	54
System-board option connectors	54
System-board internal cable connectors	55
System-board external port connectors	56
System-board switches and jumpers	57
System-board LED locations	59
Memory-board component locations	60
Removing the top cover and bezel	61
Removing the top cover (all models)	61
Removing the bezel (rack model)	61
Removing the bezel (tower model)	62
Working with adapters	63
Adapter considerations	63
Installing an adapter	65
Cabling a RAID or SCSI adapter	68
Cabling a single SCSI channel using the standard hot-swap drive SCSI backplane	69
Working with the optional xSeries 6-Pack Hot-Swap Hard Drive Expansion Kit	73
Installing the optional 6-Pack hot-swap drive backplane	75
Installing internal drives	83
Internal drive bays	83
Installing a hot-swap hard disk drive	85
Installing a 5.25-inch removable-media drive	86
Installing memory modules	92
Installing an additional microprocessor	99
Installing a hot-swap power supply	108
Replacing a hot-swap fan	111
Replacing an internal fan	112
Replacing an external fan	113
Replacing the battery	113
Completing the installation	116
Installing the top cover and bezel	117
Installing the top cover (all models)	117
Installing the bezel (tower model)	117
Installing the bezel (rack model)	118
Updating your server configuration	119
Connecting external options	119
SCSI cabling requirements	120
Input/output connectors	120
Video port	121
Keyboard port	121
Auxiliary-device (pointing device) port	122
Ultra160 SCSI connectors	122
Setting SCSI IDs	123
SCSI port connectors	124
Serial ports	124
Viewing or changing the serial-port assignments	124
Serial-port connectors	124
Universal Serial Bus ports	125
USB cables and hubs	125
USB-port connectors	125
Gigabit Ethernet port	126
Ethernet port connector	126
Integrated system management processor (ISMP) interconnect ports	126
Cabling the server	127
Chapter 5. Service replaceable units	129
Microprocessor removal	129
SCSI backplane	130
Hot-swap board	131
Front-panel assembly	132
Power backplane	133
AC power box	134
System board and shuttle	135
Chapter 6. Symptom-to-FRU index	139
Beep symptoms	139
No-beep symptoms	142
Diagnostic panel system error LED	142
Diagnostic error codes	145
Error symptoms	149
Power-supply LED errors	156
POST error codes	157
Service processor error codes	163
SCSI error codes	164
Temperature error messages	164
Fan error messages	165
Power error messages	165
System shutdown	165
Voltage related system shutdown	166
Temperature related system shutdown	166
DASD checkout	167
Host built-in self test (BIST)	167
Bus fault messages	167
Undetermined problems	167
Problem determination tips	168
Chapter 7. Parts listing, xSeries 255	171
System	172
Keyboard CRUs	173
Power cord CRUs	174
Appendix A. Getting help and technical assistance	177
Before you call	177
Using the documentation	177
Getting help and information from the World Wide Web	177
Software service and support	178
Hardware service and support	178
Appendix B. Related service information	179
Safety information	179
General safety	179
Electrical safety	180
Safety inspection guide	181
Handling electrostatic discharge-sensitive devices	182
Grounding requirements	183
Safety notices (multi-lingual translations)	183
Appendix C. Notices	213
Edition notice	213
Trademarks	214
Important notes	214
Electronic emission notices	215
Federal Communications Commission (FCC) statement	215
Industry Canada Class A emission compliance statement	215
Australia and New Zealand Class A statement	216
United Kingdom telecommunications safety requirement	216
European Union EMC Directive conformance statement	216
Taiwan electrical emission statement	216