Looking Up Fru Information; Locating Parts On The System Board - Lenovo ThinkCentre M73 10B0 Hardware Maintenance Manual

• 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
1
Power supply assembly
2
Heat sink and fan assembly
3
Microprocessor
4
Memory modules
5
Optical drive (available in some models)
6
Front Wi-Fi antenna (available in some models)
7
Slim card reader (available in some models)
8
Front audio and USB assembly
9
Front bezel
10
Thermal sensor
11
Hard disk drive
12
System board
13
Battery
14
Wi-Fi card module (available in some models)
15
Wi-Fi adapter card (available in some models)
16
Rear Wi-Fi antenna (available in some models)
17
PCI Express card (available in some models)
18
Cover presence switch (intrusion switch)
(available in some models)
19
Rear fan assembly
20
Keyboard
21
Mouse

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.
FRU description Self-service CRU Optional-service CRU
No
No
No
Yes
Yes
No
No
No
Yes
No
No
No
Yes
No
No
Yes
Yes
Yes
No
Yes
Yes
Chapter 8
Yes
Yes
Yes
No
No
Yes
Yes
Yes
No
Yes
Yes
No
No
Yes
Yes
No
No
No
Yes
No
No
73
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Locations