BenQ Joybook S73 series User Manual page 9

Use various PCI Express Cards on the market by inserting one into the
PCI Express Card slot of your Joybook.
Connect an earphone or microphone to the earphone or microphone
jack to output or record sounds.
Use the optical drive to access data on various kinds of discs or enjoy
DVD/VCD movies.
Insert a Memory Stick, Memory Stick Pro, xD, SD or MMC memory card
to exchange files.
Getting Started 5