Lenovo ThinkPad S431 Hardware Maintenance Manual page 57

No. Description
12
Hall sensor
13
Base cover assembly
14
Fingerprint reader and fingerprint reader bracket
15
PCI Express Mini card for wireless LAN
16
Memory module
17
Backup battery
18
M.2 solid state drive (NGFF solid state drive )
19
M.2 transfer sub card (NGFF transfer sub card)
20
Lenovo OneLink connector cover
21
TrackPoint cap
Self-service CRU
No
No
No
No
No
No
No
No
Yes
Yes
Chapter 7
Optional-service
CRU
No
Yes
No
Yes
Yes
Yes
No
No
No
No
51
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Locations