Fujitsu LIFEBOOK U749 Operating Manual page 18

Ports and controls
Bottom
6
1 = Battery (SIM card under the battery)
2 = Battery release 1
3 = Service compartment M.2 module
and LTE module
14
1 2
5 4
4 = Memory service compartment
5 = Port Replicator port
6 = Battery release 2
3
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