Dell Inspiron 1521 (Mid 2007) - Manual (Page 31)

About Your Computer
31
LEFT SPEAKER — To adjust the volume of the integrated speaker, press the volume
control buttons or the mute button.
MEMORY MODULE / COIN - CELL BATTERY COMPARTMENT — Compartment that
contains the DIMM B memory module and the coin-cell battery. For additional
information, see "Adding and Replacing Parts" on page 141.
CONSUMER I R — A port on the front of the computer that allows certain software
applications to be controlled by the Dell Travel Remote.
RIGHT SPEAKER — To adjust the volume of the integrated speaker, press the volume
control buttons or the mute button.
WIRELESS MINI CARD COMPARTMENT — Compartment for WLAN, WWAN, or
WPAN Mini Cards (see "Wireless Mini Cards" on page 157).
BATTERY — When a battery is installed, you can use the computer without
connecting the computer to an electrical outlet (see "Using a Battery" on page 47).
BATTERY CHARGE / HEALTH GAUGE — Provides information on the battery charge (see
"Checking the Battery Charge" on page 48).
BATTERY - BAY LATCH RELEASES — Releases the battery (see "Replacing the Battery"
on page 52 for instructions).
FAN — The computer uses a fan to create airflow through the vents, which prevents
the computer from overheating. The computer turns the fan on when the computer
gets hot. Fan noise is normal and does not indicate a problem with the fan or the
computer.
HARD DRIVE — Stores software and data.
1 left speaker 2 memory module/coin-cell battery
compartment
3 consumer IR 4 right speaker
5 wireless mini card compartment 6 battery
7 battery charge/health gauge 8 battery-bay latch releases (2)
9 fan 10 hard drive