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Lenovo 3000 G510 UG V2.0_en.book Page 19 Friday, April 18, 2008 2:54 PM
Chapter 3. Getting Started
USB allows devices to be connected and disconnected without
rebooting the computer (hot swapping), and to allow specific classes of
hardware to be used without requiring individual device drivers to be
installed.
External microphone jack
The microphone jack can be used to connect an external microphone
for video conferencing, voice narrations, or simple audio recordings.
External headphone jack
The headphone jack is used to connect headphones or a speaker. Using
this jack automatically disables the built-in speaker of the computer.
PCI Express card (new card) slot
You can install a PCI Express card (new card) with a PCI-E connector
in this slot.
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