Chapter 9. Replacing Frus; And 6213.); Locating Connectors On The Front Of The Computer; Locating Connectors On The Rear Of The Computer - Lenovo ThinkCentre M90 Hardware Maintenance Manual

Chapter 9. Replacing FRUs (Machine types: 3026, 3039, 3137,
3149, 3245, 3269, 3319, 3394, 3491, 3627, 3699, 3878, 4972, 5132,

5261, 5297, 5391, 5472, 5485, 5536, 5548, 5567, 5864, and 6213.)

Important
Be sure to read and understand Chapter 2 "Safety information" on page 3 before you replace any FRU.
These precautions and guidelines will help you work safely.
FRU replacements are to be done only by trained service technicians.
This chapter does not contain the remove or replace procedure for all FRUs. Only the major FRUs are
documented.

Locating connectors on the front of the computer

Front connector locations shows the locations of the connectors on the front of your computer.
Figure 38. Front connector locations
1
USB connector
2
Headphone connector

Locating connectors on the rear of the computer

Rear connector locations shows the location of connectors on the rear of the computer. Some connectors
on the rear of the computer are color-coded to help you determine where to connect the cables on your
computer.
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3
Microphone connector
4
USB connector
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