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BIOS Setup
Advanced menu
Advanced Settings
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Primary/Secondary IDE Master
The two items display the types of the primary/secondary IDE master
devices installed in the Notebook. Press [Enter] to bring up a window
showing the detailed information of the device, including the device name,
vendor, LBA mode, PIO mode and more.
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Legacy USB Support
If you want to use USB device, such as mouse, keyboard, portable disk, in
DOS system or boot your system by USB device, you should enable this
function by selecting
Enabled
.