Dell Latitude 12 Rugged Extreme (7204, Early 2014) - Manual (Page 39)

e. GPS module
f. USH board
g. MEMS board
h. hard drive
i. system fan
j. card bracket
k. memory module
l. antenna routing bracket
m. WLAN
n. WWAN
o. heatsink
p. battery board
q. SIM board assembly
r. keyboard
3. Disconnect the following cables from the system board:
a. I/O board cable
b. speaker cable
c. coin-cell battery cable
4. Disconnect the ribbon cables from the system board [1,2].
5. To remove the video connectors:
a. Open the connector latch door.
b. Remove the screws that secure the video connectors [1].
c. Remove the connectors away from the computer [1].
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