Lenovo B430 Notebook - Manual (Page 57)

Table 8. Major FRUs and CRUs
No. FRU description Self-service CRU Optional-service CRU
1 LCD unit No No
2 Power button sub card No No
3 Keyboard bezel No No
4 Card reader No No
5 Backup battery Yes No
6 Wireless LAN card Yes No
7 Battery pack Yes No
8 RJ45 sub card No No
9 DC-in connector No No
10 Optical drive or blank bezel Yes No
11 I/O sub card with USB connector and audio jack No No
12 Small bottom cover Yes No
13 Large bottom cover Yes No
14 Hard disk drive Yes No
15 Speaker assembly No No
16 Base cover assembly No No
17 CPU No No
18 Memory module Yes No
19 System board assembly No No
20 Thermal fan No Yes
21 Thermal pipes No No
22 Dummy cap No No
23 Keyboard No Yes
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