Lenovo S510, Hardware Maintenance Manual

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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
Wi-Fi card No Yes
2
System board No No
3
Microprocessor No No
4
Memory module Yes No
5
Heat sink and fan assembly Yes No
6
Coin-cell battery
Yes No
7
Power supply assembly No Yes
8
Computer handle
No No
9
Power button board No Yes
10
Optical drive Yes No
11
Chassis No No
12
Card reader
No No
13
Front audio and USB assembly No No
14
Front bezel Yes No
15
Front Wi-Fi antenna No No
16
Thermal sensor No No
17
Power cord Yes No
18
Primary storage drive Yes No
19
Secondary storage drive
Yes No
20
PCI Express card Yes No
21
Rear Wi-Fi antenna No No
22
Rear Wi-Fi antenna cover No No
23
Computer cover Yes No
For detailed FRU information, such as the FRU part numbers and supported computer models, go to:
http:/www.lenovo.com/serviceparts-lookup
Chapter 2
.
Product overview
33