Compaq 102 - Manual (Page 21)

Bottom components
Component Description
(1) Battery bay Holds the battery.
(2) Battery release latches (2) Release the battery from the battery bay.
(3) Vent Enables airflow to cool internal components.
NOTE: The computer fan starts up automatically to cool
internal components and prevent overheating. It is normal
for the internal fan to cycle on and off during routine
operation.
(4) Memory module compartment Contains the memory module slot.
Bottom components 13