7. Press the latch release on the front of the power supply (1), and then raise the power supply to the
upright position (2)
Figure C-6 Releasing and Rotating the Power Supply
8. If you are changing the COM 3 or COM 4 serial port configuration, remove the Powered Serial Port
Expansion Card.
a. Locate the Powered Serial Port Expansion Card in the upper socket of the PC riser.
Disconnect the power and system board cables attached to the expansion card.
b. Hold the PCI card at each end, and carefully rock it back and forth until the connectors pull
free from the socket. Pull the expansion card toward the left side of the chassis straight out
of the riser. Be sure not to scrape the card against the other components.
Figure C-7 Removing the Powered Serial Port Expansion Card
9. Place jumpers and jumper wires on the appropriate pins. (See Table C-1 Configuring Serial Port
Power on page 51 to determine the appropriate pins.)
ENWW Configuring Power to a Serial Port 49