Lenovo ThinkPad S540 Hardware Maintenance Manual page 57

Table 9. Major FRUs (continued)
No. FRU descriptions
15 M.2 solid-state drive or wireless WAN card
16 Memory module
17
Near Field Communication card
18 Media card reader
19 DC-in card
20 Lenovo OneLink connector cover
21 TrackPoint cap
Self-service Optional service
CRU CRU
No No
No Yes
No No
No No
No No
Yes No
Yes No
.
Chapter 7
51
Locations