How to Boot from an external USB CD-ROM Drive
(for example in order to run a live linux CD to rescue files or install linux from a CD)
Eee PC 900 20 Gig Linux Model
Make sure the Eee PC is OFF
Plug in the external drive into one of your Eee PC's USB ports.
Turn your External CD/DVD ROM Drive ON with the CD inserted and closed
Turn on Eee PC and when you see the message at the bottom of the screen about hitting F2, etc: hit ESC
You will get a blue Boot Device menu with several choices: You should see two “HDD” choices, a “USB” choice and “Network” choice
Choose the USB choice
It should continue to boot and follow your particular linux distribution instructions