LanParty P45 Series User Manual page 68

3
BIOS Setup
USB Mouse Function
Due to the limited space of the BIOS ROM, the support for legacy USB
mouse (in DOS mode) is by default set to Disabled. With more BIOS
ROM space available, it will be able to support more advanced features
as well as provide compatibility to a wide variety of peripheral devices.
If a PS/2 mouse is not available and you need to use a USB mouse to
install Windows (installation is performed in DOS mode) or run any
program under DOS, set this field to Enabled.
USB Storage Function
This field is used to enable or disable the support for legacy USB
mass storage.
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