Fujitsu LIFEBOOK U749 Operating Manual page 21

Bottom
6
1 = Battery (SIM card under the battery)
2 = Battery release 1
3 = Service compartment for hard disk (HDD
or M.2 module) and LTE module
Fujitsu
1 2
5 4
4 = Memory service compartment
5 = Port Replicator port
6 = Battery release 2
Ports and controls
3
17