Lenovo THINKSERVER 3821 User Manual

Page 6

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Viewing the test log . . . . . . . . . . . . . . . . . . . . . . 91
Diagnostic messages

. . . . . . . . . . . . . . . . . . . . . 91

Recovering from a Lenovo ThinkServer Server Firmware update failure

. . . 122

Solving power problems . . . . . . . . . . . . . . . . . . . . . 123
Solving Ethernet controller problems

. . . . . . . . . . . . . . . . 123

Solving undetermined problems . . . . . . . . . . . . . . . . . . 124
Problem determination tips . . . . . . . . . . . . . . . . . . . . 125

Chapter 6. Locating Server Controls and connectors . . . . . . . . . 127
Front view . . . . . . . . . . . . . . . . . . . . . . . . . . 127

Operator information panel . . . . . . . . . . . . . . . . . . . 127
EasyLED diagnostics panel . . . . . . . . . . . . . . . . . . . 129

Rear view . . . . . . . . . . . . . . . . . . . . . . . . . . 130
System-board internal connectors

. . . . . . . . . . . . . . . . . 131

System-board external connectors . . . . . . . . . . . . . . . . . 133
System-board switches and jumpers

. . . . . . . . . . . . . . . . 133

System-board LEDs

. . . . . . . . . . . . . . . . . . . . . . 135

SAS backplane connectors . . . . . . . . . . . . . . . . . . . . 138
Power-supply LEDs. . . . . . . . . . . . . . . . . . . . . . . 139
Internal LEDs, connectors, and jumpers . . . . . . . . . . . . . . . 140

System-board internal connectors

. . . . . . . . . . . . . . . . 141

System-board switches and jumpers

. . . . . . . . . . . . . . . 144

System-board LEDs

. . . . . . . . . . . . . . . . . . . . . 145

System-board external connectors . . . . . . . . . . . . . . . . 146
2.5-inch hard disk drive backplane connectors . . . . . . . . . . . . 147

Server power features . . . . . . . . . . . . . . . . . . . . . . 147

Turning on the server . . . . . . . . . . . . . . . . . . . . . 147
Turning off the server . . . . . . . . . . . . . . . . . . . . . 148

Chapter 7. Installing optional devices and replacing customer replaceable

units . . . . . . . . . . . . . . . . . . . . . . . . . . . 149

Server components . . . . . . . . . . . . . . . . . . . . . . . 149
Opening the bezel . . . . . . . . . . . . . . . . . . . . . . . 150
Closing the bezel

. . . . . . . . . . . . . . . . . . . . . . . 151

Removing the bezel

. . . . . . . . . . . . . . . . . . . . . . 152

Installing the bezel . . . . . . . . . . . . . . . . . . . . . . . 154
Opening the bezel media door. . . . . . . . . . . . . . . . . . . 155
Closing the bezel media door . . . . . . . . . . . . . . . . . . . 156
Removing the left-side cover . . . . . . . . . . . . . . . . . . . 157
Installing the left-side cover . . . . . . . . . . . . . . . . . . . . 158
Opening the power-supply cage . . . . . . . . . . . . . . . . . . 158
Closing the power-supply cage

. . . . . . . . . . . . . . . . . . 160

Turning the stabilizing feet . . . . . . . . . . . . . . . . . . . . 162
Internal cable routing and connectors . . . . . . . . . . . . . . . . 163
Removing the air baffle . . . . . . . . . . . . . . . . . . . . . 169
Installing the air baffle . . . . . . . . . . . . . . . . . . . . . . 170
Removing the fan-cage assembly

. . . . . . . . . . . . . . . . . 171

Installing the fan-cage assembly . . . . . . . . . . . . . . . . . . 172
Removing the battery . . . . . . . . . . . . . . . . . . . . . . 172
Installing the battery

. . . . . . . . . . . . . . . . . . . . . . 173

Removing a hot-swap power supply. . . . . . . . . . . . . . . . . 174
Installing a hot-swap power supply . . . . . . . . . . . . . . . . . 175
Installing redundant power supply and fans . . . . . . . . . . . . . . 177
Removing a voltage regulator module . . . . . . . . . . . . . . . . 179
Installing a voltage regulator module

. . . . . . . . . . . . . . . . 180

Removing the front adapter-retention bracket . . . . . . . . . . . . . 180

iv

ThinkServer TD200x Types 3719, 3821, 3822, and 3823: Hardware Maintenance Manual

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