Dell PowerEdge R920 Dell PowerEdge R920 System Owners Manual - Page 7

Troubleshooting A Serial I/O Device

....................................................................................................................

116

Troubleshooting A Wet System

............................................................................................................................

116

Troubleshooting A Damaged System

...................................................................................................................

117

Troubleshooting The System Battery

...................................................................................................................

117

Troubleshooting Power Supplies

..........................................................................................................................

118

Troubleshooting Cooling Problems

.......................................................................................................................

118

Troubleshooting Cooling Fans

..............................................................................................................................

119

Troubleshooting System Memory

.........................................................................................................................

119

Troubleshooting An Internal USB Key

..................................................................................................................

120

Troubleshooting An SD Card

................................................................................................................................

120

Troubleshooting An Optical Drive

.........................................................................................................................

121

Troubleshooting A Hard Drive

..............................................................................................................................

121

Troubleshooting A Storage Controller

..................................................................................................................

122

Troubleshooting Expansion Cards

........................................................................................................................

123

Troubleshooting Processors

.................................................................................................................................

123

5 Using System Diagnostics

.....................................................................................................

125

Dell Embedded System Diagnostics

.....................................................................................................................

125

When To Use The Embedded System Diagnostics

........................................................................................

125

Running The Embedded System Diagnostics

.................................................................................................

125

System Diagnostic Controls

...........................................................................................................................

125

6 Jumpers And Connectors

......................................................................................................

127

System Board Jumper Settings

............................................................................................................................

127

System Board Connectors

....................................................................................................................................

128

Disabling A Forgotten Password

..........................................................................................................................

131

7 Technical Specifications

.......................................................................................................

133

8 System Messages

...................................................................................................................

139

LCD Messages

......................................................................................................................................................

139

Viewing LCD Messages

.................................................................................................................................

139

Removing LCD Messages

...............................................................................................................................

139

System Error Messages

........................................................................................................................................

139

Warning Messages

...............................................................................................................................................

155

Diagnostic Messages

...........................................................................................................................................

155

Alert Messages

.....................................................................................................................................................

155

9 Getting Help

..............................................................................................................................

157

Contacting Dell

.....................................................................................................................................................

157

Quick Resource Locator

.................................................................................................................................

157

Locating Your System Service Tag

.......................................................................................................................

157

Section	Page
Dell PowerEdge R920 System Owner's Manual	3
About Your System	9
Front-Panel Features And Indicators	9
LCD Panel Features	10
Home Screen	11
Setup Menu	11
View Menu	12
Hard-Drive Indicator Patterns	12
PCIe SSD LED Indicators	13
Back-Panel Features And Indicators	14
NIC Indicator Codes	15
Power Indicator Codes	16
Related Documentation	17
Quick Resource Locator	18
Using The System Setup and Boot Manager	19
Choosing The System Boot Mode	19
Entering System Setup	20
Responding To Error Messages	20
Using The System Setup Navigation Keys	20
System Setup Options	20
System Setup Main Screen	21
System BIOS Screen	21
System Information Screen	21
Memory Settings Screen	22
Processor Settings Screen	22
SATA Settings Screen	23
Boot Settings Screen	24
Integrated Devices Screen	24
Serial Communications Screen	25
System Profile Settings Screen	26
System Security Screen	27
Miscellaneous Settings	28
System And Setup Password Features	28
Assigning A System And/Or Setup Password	28
Deleting Or Changing An Existing System And/Or Setup Password	29
Using Your System Password To Secure Your System	30
Operating With A Setup Password Enabled	30
Entering The UEFI Boot Manager	30
Using The Boot Manager Navigation Keys	31
Boot Manager Screen	31
UEFI Boot Menu	31
Embedded System Management	32
iDRAC Settings Utility	32
Entering The iDRAC Settings Utility	32
Changing The Thermal Settings	32
Installing System Components	33
Recommended Tools	33
Front Bezel (Optional)	33
Removing The Front Bezel	33
Installing The Front Bezel	34
Opening And Closing The System	34
Opening The System	35
Closing The System	35
Inside The System	36
Chassis Intrusion Switch	36
Removing And Installing The Chassis Intrusion Switch Cable	37
Cable Management Tray	38
Removing The Cable Management Tray	38
Installing The Cable Management Tray	39
System Memory	39
General Memory Module Installation Guidelines	42
Mode-Specific Guidelines	42
Advanced ECC (Lockstep)	43
Memory Optimized (Independent Channel) Mode	43
Memory Sparing	43
Memory Mirroring	43
Fault Resilient Memory	43
Sample Memory Configurations	44
Removing A Memory-Riser Blank	46
Installing A Memory-Riser Blank	47
Removing A Memory Riser	47
Installing A Memory Riser	48
Removing Memory Modules From The Memory Riser	49
Installing Memory Modules	52
Memory Riser And Fan Cage	53
Removing The Memory Riser And Fan Cage	53
Installing The Memory Riser And Fan Cage	55
Hard Drives	55
Removing A 2.5 Inch Hard-Drive Blank	55
Installing A 2.5 Inch Hard-Drive Blank	56
Removing A Hot-Swap Hard Drive	56
Installing A Hot-Swap Hard Drive	57
Removing A Hard Drive From A Hard-Drive Carrier	57
Installing A Hard Drive Into A Hard-Drive Carrier	58
Optical Drive (Optional)	59
Removing The Optical Drive	59
Installing The Optical Drive	60
Cooling Fans	60
Removing A Cooling Fan	60
Installing A Cooling Fan	61
Removing The Fan Tray	61
Installing The Fan tray	62
Internal USB Memory Key (Optional)	62
Replacing The Internal USB Key	63
Expansion Cards And Expansion-Card Risers	64
Expansion Card Installation Guidelines	64
Removing The Left Expansion Card Riser Blank	66
Installing The Left Expansion Card Riser Blank	67
Removing The Right Expansion Card Riser Blank	67
Removing An Expansion Card From Expansion-Card Risers 2 and 3	67
Installing An Expansion Card Into The Expansion-Card Riser 2 and 3	72
NDC Riser (I/O Riser 1)	72
Removing The NDC Riser (I/O Riser 1)	72
Installing The NDC Riser (I/O Riser 1)	73
Network Daughter Card	74
Removing The Network Daughter Card	74
Installing The Network Daughter Card	75
SD vFlash Card	75
Replacing An SD vFlash Card	76
Internal Dual SD Module	76
Removing The Internal Dual SD Module	76
Installing The Internal Dual SD Module	77
Internal SD Card	77
Removing An Internal SD Card	78
Installing An Internal SD Card	79
Integrated Storage Controller Card	79
Removing The Integrated Storage Controller Card	79
Installing The Integrated Storage Controller Card	80
RAID Battery	81
Removing a RAID Battery	81
Installing The RAID Battery	82
Processors	82
Removing A Heat Sink Blank	82
Installing A Heat Sink Blank	83
Removing A Processor	84
Installing A Processor	87
Power Supplies	88
Hot Spare Feature	89
Removing An AC Power Supply	89
Installing An AC Power Supply	90
Wiring Instructions For A DC Power Supply	91
Assembling And Connecting The Safety Ground Wire	91
Assembling The DC Input Power Wires	92
Removing A DC Power Supply	93
Installing A DC Power Supply	94
Removing The Power Supply Blank	95
Installing The Power Supply Blank	95
Power Distribution Board	95
Removing The Power Supply Bay	96
Installing The Power Supply Bay	97
Removing The Power Distribution Board	97
Installing The Power Distribution Board	98
System Battery	98
Replacing The System Battery	98
Hard-Drive Backplane	99
Removing The Hard-Drive Backplane	100
Installing The Hard-Drive Backplane	109
SAS Expander Daughter Card	109
Removing The SAS Expander Daughter Card	109
Installing The SAS Expander Daughter Card	110
Control Panel Board	110
Removing The Control Panel Board	110
Installing The Control Panel Board	111
System Board	112
Removing The System Board	112
Installing The System Board	113
Troubleshooting Your System	115
Safety First—For You And Your System	115
Troubleshooting System Startup Failure	115
Troubleshooting External Connections	115
Troubleshooting The Video Subsystem	115
Troubleshooting A USB Device	115
Troubleshooting A Serial I/O Device	116
Troubleshooting A Wet System	116
Troubleshooting A Damaged System	117
Troubleshooting The System Battery	117
Troubleshooting Power Supplies	118
Troubleshooting Cooling Problems	118
Troubleshooting Cooling Fans	119
Troubleshooting System Memory	119
Troubleshooting An Internal USB Key	120
Troubleshooting An SD Card	120
Troubleshooting An Optical Drive	121
Troubleshooting A Hard Drive	121
Troubleshooting A Storage Controller	122
Troubleshooting Expansion Cards	123
Troubleshooting Processors	123
Using System Diagnostics	125
Dell Embedded System Diagnostics	125
When To Use The Embedded System Diagnostics	125
Running The Embedded System Diagnostics	125
System Diagnostic Controls	125
Jumpers And Connectors	127
System Board Jumper Settings	127
System Board Connectors	128
Disabling A Forgotten Password	131
Technical Specifications	133
System Messages	139
LCD Messages	139
Viewing LCD Messages	139
Removing LCD Messages	139
System Error Messages	139
Warning Messages	155
Diagnostic Messages	155
Alert Messages	155
Getting Help	157
Contacting Dell	157
Quick Resource Locator	157
Locating Your System Service Tag	157

Dell PowerEdge R920 Dell PowerEdge R920 System Owners Manual - Page 7

Using System Diagnostics, Jumpers And Connectors, Technical Specifications, System Messages

Page 7 highlights