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90 Installing System Components
3
Connect the power cable to the power supply.
a
Secure and bundle the system cables with the Velcro straps that ship
with your system. Loop the power cable and use the Velcro straps to
attach the cable to the handle.
b
Plug the other end of the cable into a power distribution unit (PDU)
or power outlet.
NOTE: For nonredundant power supplies, loop the cable from the cable retention
bracket up to the power plug at the back of the power supply, and connect the
cable. See the Getting Started Guide for more information.
NOTE: After installing a new power supply, allow several seconds for the system to
recognize the power supply and determine whether it is working properly. The
power supply status indicator will turn green to signify that the power supply is
functioning properly. See Figure 1-4.
Internal USB Memory Key
The system provides an internal USB connector located on the front control
board for use with a USB flash memory key. The USB memory key can be
used as a boot device, security key, or mass storage device. To use the internal
USB connector, the Internal USB Port option must be enabled in the
Integrated Devices screen of the System Setup program.
To boot from the USB memory key, you must configure the USB memory key
with a boot image and then specify the USB memory key in the boot
sequence in the System Setup program. See "System Setup Options" on
page 46. For information on creating a bootable file on the USB memory key,
see the user documentation that accompanied the USB memory key.
Installing the Optional Internal USB Memory Key
CAUTION: Only trained service technicians are authorized to remove the system
cover and access any of the components inside the system. See your Product
Information Guide for complete information about safety precautions, working
inside the computer, and protecting against electrostatic discharge.
1
Turn off the system, including any attached peripherals, and disconnect
the system from its electrical outlet and peripherals.
2
Open the system. See "Opening and Closing the System" on page 68.
3
Locate the USB connector on the front control board (see
Figure 6-3
).