Toshiba Satellite C640 - Manual (Page 38)

User’s Manual 2-4
The Grand Tour
Underside
Figure below shows the underside of the computer. Make sure the display
is closed before turning over your computer.
The underside of the computer
1. Battery pack 3. Battery release latch
2. Battery pack lock 4. Memory module cover
Battery pack The battery pack powers the computer when the
AC adaptor is not connected. The Batteries
section in Chapter 6, Power and Power-up
Modes , describes how to access the battery
pack. Additional battery packs can be purchased
from your TOSHIBA dealer to extend the
computer’s battery operating time.
Battery pack lock Slide the battery pack lock to unlocked position
to free the battery release latch.
Battery release latch Slide this latch to release the battery pack.
This latch moves only when the computer is
upside down.
Memory module cover This cover protects two memory module sockets.
One or two modules are preinstalled.