Asus M51Sr - Manual (Page 58)

A
Appendix
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Optional Accessories
These items, if desired, come as optional items to complement your Notebook PC.
USB Flash Memory Disk
A USB flash memory disk is an optional item that can replace the 1.44MB floppy
disk and provide storage up to several hundred megabytes, higher transfer speeds,
and greater durability. When used in current operating systems, no drivers are
necessary.
USB Hub (Optional)
Attaching an optional USB hub will increase your USB ports and allow you to
quickly connect or disconnect many USB peripherals through a single cable.
USB Floppy Disk Drive
An optional USB-interface floppy disk drive can accept a standard 1.44MB (or
720KB) 3.5-inch floppy diskette.
WARNING! To prevent system failures, use Windows “Safely
Remove Hardware” on the taskbar before disconnecting the USB
floppy disk drive. Eject the floppy disk before transporting the
Notebook PC to prevent damage from shock.