Locating connectors on the rear of the computer
The following illustration shows locations of connectors on the rear of the
computer.
1 Power cord connector 9 Parallel connector
2 Cable lock latch 10 Audio line-in connector
3 Rope clip (U-bolt) holes 11 Audio line-out connector
4 PCI adapter connectors 12 USB connectors (4)
5 Serial connectors (2) 13 PS/2
®
keyboard connector
6 Ethernet connector 14 PS/2 mouse connector
7 USB connectors (2) 15 Diagnostic LEDs
8 VGA monitor connector
Opening the cover
Attention
Read Chapter 2, “Safety information,” on page 5 and “Handling electrostatic
discharge-sensitive devices” on page 8“Handling electrostatic
discharge-sensitive devices” on page 314 before opening the cover.
1. Shut down your operating system, remove any media (diskettes, CDs, or tapes)
from the drives, and turn off all attached devices and the computer.
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. Remove the floor stand, if attached.
5. If a cover lock is installed, unlock the cover.
6. Press inward on the two buttons and rotate the top cover upward as illustrated.
138 Hardware Maintenance Manual
