Lenovo S510 Hardware Maintenance Manual page 39

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