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Table 9. Major FRUs and CRUs (continued)
No. FRU description
Self-service CRU Optional-service
CRU
3
ExpressCard blank bezel or ExpressCard
Yes No
4
Speaker assembly
No No
5
mSATA solid state drive
No No
6
PCI Express Mini Card for wireless WAN
No Yes
7
Backup battery No Yes
8
Serial Ultrabay Enhanced device or blank bezel
Yes No
9
Memory module or dummy memory module Yes No
10
I/O sub card
No No
11
Battery Yes No
12
Base cover assembly No No
13
Memory module slot cover Yes No
14
Hard disk drive slot cover Yes No
15
Hard disk drive rubber rails or solid state drive spacers Yes No
16
Hard disk drive or solid state drive Yes No
17
System board
No No
18
Microprocessor No No
19
Bluetooth daughter card No No
20
PCI Express Mini Card for wireless LAN
No Yes
21
Magnesium structure frame
No No
22
Thermal fan assembly
No No
23
Smart card or dummy smart card
No No
24
Keyboard Yes No
25
TrackPoint cap Yes No
Chapter 8. Locations 59