What to Do
1. Disconnect the AC power cords from the power supplies.
Caution – If you are using an antistatic wrist strap to protect against electrostatic
discharge, connect it to a properly grounded surface, such as a nearby equipment
rack, or a nearby system that is connected to a power source.
2. Locate the system controller card.
The system controller card is installed in a slot on the system I/O board. It is labeled
"SC" on the rear panel.
System controller sot
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Sun Fire V890 Server Service Manual • October 2005