Lenovo ThinkCentre M83, Руководство по техническому обслуживанию аппаратной части

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• Self-service CRUs: These CRUs unplug or are secured by no more than two screws. Examples of
these types of CRUs include the keyboard, the mouse, any USB device, and the power cord. Other
self-service CRUs depending on product design might include memory modules, adapter cards, hard
disk drives, and optical drives.
• Optional-service CRUs: These CRUs are isolated parts within the computer and are concealed by an
access panel that is typically secured by more than two screws. Once the access panel is removed, the
specific CRU is visible.
Number FRU description
Self-service CRU Optional-service CRU
1
Power supply assembly No Yes
2
Heat sink and fan assembly No Yes
3
Microprocessor No Yes
4
Memory modules Yes No
5
Optical drive
Yes No
6
Front Wi-Fi antenna Yes No
7
Front bezel Yes No
8
Card reader assembly (available in some models) No Yes
9
Front audio and USB assembly No Yes
10
Thermal sensor No Yes
11
System fan assembly No Yes
12
Internal speaker (available in some models) No Yes
13
Cover presence switch (available in some models) Yes No
14
Hard disk drive or solid-state drive Yes No
15
Battery No Yes
16
System board
No Yes
17
Wi-Fi unit Yes Yes
18
Wi-Fi antenna adapter Yes Yes
19
Rear Wi-Fi antenna Yes No
20
PCI card (available in ThinkCentre® M93/p
computers) Yes No
21
Keyboard Yes No
22
Mouse Yes No
Looking up FRU information
For detailed FRU information, such as the FRU part numbers and supported computer models, go to:
http:/www.lenovo.com/serviceparts-lookup
Locating parts on the system board
Note: Your computer comes with one of the following system boards.
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ThinkCentre M83 and M93/p Hardware Maintenance Manual