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Locating the connectors on the rear
The following illustration shows the locations of the connectors on the rear of the
computer.
1PCI adapter slot 8 Ethernet connector
2Integrated cable lock slot 9 USB connectors
3Mouse connector 10Audio line out connector
4Keyboard connector 11Audio line in connector
5VGA monitor connector 12USB connectors
6Parallel connector 13Power supply diagnostic LEDs
7Serial connector 14Power connector
Opening the cover
Important
Read Chapter 2, “Safety information,” on page 5 and “Handling electrostatic
discharge-sensitive devices” on page 8 before opening the cover.
1. Shut down the operating system, remove any media (DVDs, CDs, or tapes)
from the drives, and turn off all attached devices.
2. Unplug all power cords from electrical outlets.
3. Disconnect all cables attached to the computer. This includes power cords,
input/output (I/O) cables, and any other cables that are connected to the
computer.
4. Press the buttons on the sides of the computer and pivot the cover upward to
open.
90 Hardware Maintenance Manual