Dell PowerEdge T620 Owner's Manual - Page 6

System Left Side Cover

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101

Removing The System Left Side Cover

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101

Installing The System Left Side Cover

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102

Control Panel

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102

Removing The Control Panel—Tower Mode

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103

Installing The Control Panel—Tower Mode

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104

Removing The Control Panel Module—Rack Mode

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104

Installing The Control Panel—Rack Mode

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106

Removing The Control-Panel Board

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106

Installing The Control-Panel Board

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107

LCD Module

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107

Removing The LCD Module—Tower Mode

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108

Installing The LCD Module—Tower Mode

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108

Removing The LCD Module—Rack Mode

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109

Installing The LCD Module—Rack Mode

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110

VGA Module

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110

Removing The VGA Module

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111

Installing The VGA Module

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111

System Board

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112

Removing The System Board

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112

Installing The System Board

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113

4 Troubleshooting Your System

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115

Safety First—For You And Your System

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115

Troubleshooting System Startup Failure

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115

Troubleshooting External Connections

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115

Troubleshooting The Video Subsystem

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115

Troubleshooting A USB Device

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115

Troubleshooting A Serial I/O Device

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116

Troubleshooting A NIC

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116

Troubleshooting A Wet System

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116

Troubleshooting A Damaged System

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117

Troubleshooting The System Battery

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118

Troubleshooting Power Supplies

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118

Troubleshooting Cooling Problems

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118

Troubleshooting Cooling Fans

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119

Troubleshooting System Memory

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119

Troubleshooting An Internal USB Key

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120

Troubleshooting An SD Card

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120

Troubleshooting An Optical Drive

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121

Troubleshooting A Hard Drive

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121

Troubleshooting Expansion Cards

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122

Section	Page
Contents	3
About Your System	9
Front-Panel Features And Indicators	9
Front-Panel Features And Indicators—Rack Mode	12
LCD Panel Features	14
Home Screen	14
Setup Menu	15
View Menu	15
Hard-Drive Indicator Patterns	16
Back-Panel Features And Indicators	17
NIC Indicator Codes	19
Power Indicator Codes	19
Other Information You May Need	20
Using The System Setup And Boot Manager	23
Choosing The System Boot Mode	23
Entering System Setup	24
Responding To Error Messages	24
Using The System Setup Navigation Keys	24
System Setup Options	24
System Setup Main Screen	25
System BIOS Screen	25
System Information Screen	25
Memory Settings Screen	26
Processor Settings Screen	26
SATA Settings Screen	27
Boot Settings Screen	28
Integrated Devices Screen	28
Serial Communications Screen	29
System Profile Settings Screen	30
System Security Screen	31
Miscellaneous Settings	32
System And Setup Password Features	32
Assigning A System And/Or Setup Password	32
Deleting Or Changing An Existing System And/Or Setup Password	33
Using Your System Password To Secure Your System	34
Operating With A Setup Password Enabled	34
Entering The UEFI Boot Manager	34
Using The Boot Manager Navigation Keys	35
Boot Manager Screen	35
UEFI Boot Menu	36
Embedded System Management	36
iDRAC Settings Utility	36
Entering The iDRAC Settings Utility	36
Installing System Components	37
Recommended Tools	37
Front Bezel (Optional)	37
Installing The Front Bezel	37
Removing The Front Bezel	38
Opening And Closing The System	38
Opening The System	39
Closing The System	39
Inside The System	40
Cooling Shroud	40
Removing The Cooling Shroud	41
Installing The Cooling Shroud	42
System Memory	42
General Memory Module Installation Guidelines	44
Mode-Specific Guidelines	44
Advanced ECC (Lockstep)	45
Memory Optimized (Independent Channel) Mode	45
Memory Sparing	45
Memory Mirroring	45
Sample Memory Configuration Table	45
Removing Memory Modules	48
Installing Memory Modules	49
Hard Drives	49
Removing A 2.5 Inch Hard-Drive Blank	50
Installing A 2.5 Inch Hard-Drive Blank	50
Removing A 3.5 Inch Hard-Drive Blank	50
Installing A 3.5 Inch Hard-Drive Blank	51
Removing A Hot-Swap Hard Drive	51
Installing A Hot-Swap Hard Drive	52
Removing A Hard Drive From A Hard-Drive Carrier	53
Installing A Hard Drive Into A Hard-Drive Carrier	53
Optical Drive (Optional)	54
Removing The Optical Drive	54
Installing The Optical Drive	55
Cooling Fans	56
Removing A Cooling Fan	56
Installing A Cooling Fan	57
Removing The Cooling-Fan Assembly (Optional)	58
Installing The Cooling-Fan Assembly (Optional)	58
Internal USB Memory Key (Optional)	59
Replacing The Internal USB Key	59
PCIe Card Holder	60
Removing The PCIe Card Holder	60
Installing The PCIe Card Holder	61
Expansion Cards	61
Expansion Card Installation Guidelines	61
GPU Card Installation Guidelines	62
Removing An Expansion Card	63
Installing An Expansion Card	64
Removing A GPU Card	65
Installing A GPU Card	66
SD vFlash Card	67
Replacing An SD vFlash Card	67
Internal Dual SD Module	67
Removing An Internal Dual SD Module	68
Installing An Internal Dual SD Module	68
Internal SD Card	69
Removing An Internal SD Card	69
Installing An Internal SD Card	69
Processors	70
Removing A Processor	70
Installing A Processor	73
Power Supplies	74
Hot Spare Feature	75
Removing An AC Power Supply	75
Installing An AC Power Supply	76
Wiring Instructions For A DC Power Supply	77
Input Requirements	77
Kit Contents	77
Required Tools	77
Required Wires	77
Assembling And Connecting The Safety Ground Wire	77
Assembling The DC Input Power Wires	78
Removing A DC Power Supply	79
Installing A DC Power Supply	80
Removing The Power Supply Blank	81
Installing The Power Supply Blank	81
System Battery	81
Replacing The System Battery	81
Hard-Drive Backplane	82
Removing The Hard-Drive Backplane	83
Installing The Hard-Drive Backplane	100
System Top Cover	100
Removing The System Top Cover	100
Installing The System Top Cover	101
System Left Side Cover	101
Removing The System Left Side Cover	101
Installing The System Left Side Cover	102
Control Panel	102
Removing The Control Panel—Tower Mode	103
Installing The Control Panel—Tower Mode	104
Removing The Control Panel Module—Rack Mode	104
Installing The Control Panel—Rack Mode	106
Removing The Control-Panel Board	106
Installing The Control-Panel Board	107
LCD Module	107
Removing The LCD Module—Tower Mode	108
Installing The LCD Module—Tower Mode	108
Removing The LCD Module—Rack Mode	109
Installing The LCD Module—Rack Mode	110
VGA Module	110
Removing The VGA Module	111
Installing The VGA Module	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 NIC	116
Troubleshooting A Wet System	116
Troubleshooting A Damaged System	117
Troubleshooting The System Battery	118
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 Expansion Cards	122
Troubleshooting Processors	122
Using System Diagnostics	123
Dell Online Diagnostics	123
Dell Embedded System Diagnostics	123
When To Use The Embedded System Diagnostics	123
Running The Embedded System Diagnostics	123
System Diagnostic Controls	124
Jumpers And Connectors	125
System Board Jumper Settings	125
System Board Connectors	126
Disabling A Forgotten Password	128
Technical Specifications	129
System Messages	133
LCD Messages	133
Viewing LCD Messages	133
Removing LCD Messages	133
System Error Messages	133
Warning Messages	147
Diagnostic Messages	147
Alert Messages	147
Getting Help	149

Dell PowerEdge T620 Owner's Manual - Page 6

Troubleshooting Your System, Removing The Control Panel Module-Rack Mode - memory

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