HP Compaq Presario,Presario X6000 Hardware And Software Manual page 129

Drives
All models have a digital drive bay that can be used with an
optional HP USB Digital Drive. For more information, see the
"HP USB Digital Drive (Select Models Only)"
this chapter.
An optional external drive can be added to the system by
connecting it to one of the USB (Universal Serial Bus) or
1394 ports on the notebook.
Additional data storage can be added with digital memory cards
including SD Memory Cards, MultiMediaCards, Smart Media,
xD-Picture Card, Memory Sticks, and Memory Stick Pro. For
more information, refer to
7–2
"Using Digital Cards,"
Hardware and Software Guide
section, later in
in Chapter 6.