BIOS Setup (Applicable to ECS-1837
motherboard)
P19 SERIES
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7,otherwise blue screen would be occur when the system is installed, or the installed
system cannot be booted.
Note: Android option is only used for testing.Due to lack of corresponding driver,the
current Android system is not fully supported.
USB Configuration
Legacy USB Support
This option is used to support legacy USB devices (keyboard, mouse, storage device,
and etc.). When this option is set to Enabled, even under operating systems that do not
support USB, such as DOS, USB device can still be used. When it is set to Disabled,
legacy devices cannot be used in operating systems that do not support USB.
Note: USB can still be used under EFI application, such as under Shell.
XHCI Hand-off
If this option is used for operating system that does not have USB3.0 driver, this
option enabled means that the system will switch to BIOS XHCI.
EHCI Hand-off
If this option is used for operating system that does not have USB2.0 driver, this
option enabled means that the system will switch to BIOS EHCI.
USB Mass Storage Drive Support
SB mass storage USB support option. It is ENABLED by default.