Contents xi
Servicing Power Distribution Boards 160
Power Distribution Board Overview 160
▼ Remove the Power Distribution Board 161
▼ Install the Power Distribution Board 163
Servicing Power Supply Backplanes (SPARC Enterprise T5220 Servers) 167
Power Supply Backplane Overview 168
▼ Remove the Power Supply Backplane 168
▼ Install the Power Supply Backplane 170
Servicing Paddle Cards 171
Paddle Card Overview 172
▼ Remove the Paddle Card 172
▼ Install the Paddle Card 173
Returning the Server to Operation 175
▼ Install the Top Cover 175
▼ Reinstall the Server in the Rack 176
▼ Return the Server to the Normal Rack Position 177
▼ Connect Power Cords to the Server 178
▼ Power On the Server Using the poweron Command 179
▼ Power On the Server Using the Front Panel Power Button 180
Identifying FRUs in SPARC Enterprise T5120 Servers 181
Motherboard Components in T5120 Servers 182
I/O Components in SPARC Enterprise T5120 Servers 184
Power Distribution/Fan Module Components in SPARC Enterprise T5120
Servers 186
Internal Cables for Onboard SASController Cards in SPARC Enterprise T5120
Servers 188
HDD Data Cable Routing for SAS RAID Controller Cards in Four-Disk
Capable SPARC Enterprise T5120 Servers 191