Dell Latitude 14 Rugged Extreme Owner's Manual page 51

c. keyboard
d. base cover
e. docking board
f. optical drive
g. memory module
h. GPU module
i. heat sink
j. ExpressCard
k. GPS module
l. WLAN card
m. WWAN card
n. SIM board
o. system board
p. Smart card reader
3. To remove the I/O port:
a. Open the I/O port press latch door [1, 2].
b. Remove the thumb screws that secure the I/O port module to the computer [3].
4. To remove the I/O board:
a. Remove the screws that secure the I/O board module to the computer chassis [1].
b. Lift and remove the I/O board module from the computer [2].
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