Lenovo 3719, 3821, 3822, 3823 manual Locating Server Controls and connectors

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

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