Rear Connectors; Removing The Covers - Lenovo ThinkCentre 8290 Hardware Maintenance Manual

Rear connectors

The following illustration shows the locations of the connectors on the rear of the
computer.

Removing the covers

Some FRU replacements require the removal of only the left-side cover. Others
require removal of both the left-side and the right-side covers.
1. Shut down the operating system, remove any media (DVDs, CDs, or tapes)
2. Unplug all power cords from electrical outlets.
3. Disconnect all cables attached to the computer. This includes power cords,
86
Hardware Maintenance Manual
1 Power connector
2 Voltage selection switch
3 Mouse connector
4 Keyboard connector
5 Serial connector
6 Parallel connector
7 VGA monitor connector
8 USB connectors
Important
Read Chapter 2, "Safety information," on page 3 and "Handling electrostatic
discharge-sensitive devices" on page 6 before opening the cover.
from the drives, and turn off all attached devices.
input/output (I/O) cables, and any other cables that are connected to the
computer.
9 Ethernet connector
10 USB connectors
11 Microphone connector
12 Audio line out connector
13 Audio line in connector
14 AGP connector (some models)
15 PCI adapter slots