Acer Altos R720 Series - Manual (Page 136)

4 BIOS setup 126
BEV Device #
The BEV Device # submenu lets you specify the preferred settings for
system bootup.
Parameter Description Option
Boot Timeout Sets the automatic boot time-out value.
Note: A value ot 65535 will disable the
timeout completely.
10
1
Boot Option 1 Sets the device from which the system
will first attempt to boot up.
Boot Option 2 Sets the device from which the system
will attempt to boot up when the first
attempt failed.
Boot Option 3,
4, or 5 Sets the device from which the system
will attempt to boot up when the first,
second, third, and fourth attempts
failed.