4-56 Upgrading Your System
Installing a BSU Power Supply
Use this procedure to install a power supply into the BSU.
1. Observe the safety and ESD precautions listed at the beginning of this
chapter.
2. Power off the system. Ensure the power cords are unplugged from the AC
wall outlet.
3. At the rear of the BSU locate the power supply bay where the additional
power supply will be installed. To determine which bay to install the new
power supply, refer to Figure 4-60.
The AC input connectors are associated with the power supply bays as
follows:
AC input 1 with Power Supply Bay 1
AC input 2 with Power Supply Bay 2
AC input 3 with Power Supply Bay 3
A
B
C
D
E
F
AAC input 1 DPower Supply Bay 1
BAC input 2 EPower Supply Bay 2
CAC input 3 FPower Supply Bay 3
Figure 4-60. BSU Power Supply Bays
4. Remove the screw securing the blank cover of the bay where the additional
power supply will be installed and remove the cover, see Figure 4-61.
Note: Save the blank cover removed from the additional
power supply bay for future use.