Dell POWEREDGE 300 Checking Manual page 8

7-8 Installation and Troubleshooting Guide
to an IDE connector on the system board. (For more information, see Chapter 9,
"Installing Drives.")
During an installation or troubleshooting procedure, you may be required to change
a jumper or switch setting. For information on the system board jumpers, see
Appendix B, "Jumpers, Switches, and Connectors."
Rotating the Power Supply Away From the
System Board
To access some components on the system board, you may have to rotate the sys-
tem power supply out of the way. Use the following procedure to rotate the power
supply:
1. Remove the computer cover as instructed in "Removing the Computer Cover"
earlier in this chapter.
2. Disconnect the AC power cable from the AC power receptacle on the back of the
power supply (see "Rotating the Power Supply").
power supply
AC power
receptacle
AC power
cable
Figure 7-6. Rotating the Power Supply
3. Free the power supply by pressing the securing tab labeled "RELEASE," then
rotate the power supply upward until it locks in one of its extended positions.
DC power
cables
securing tab