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Chapter 2: BIOS information 2-19
Legacy USB Support [Enabled]
[Enabled] Enables the support for USB devices on legacy operating systems (OS).
[Disabled] The USB devices can be used only for the BIOS setup program.
[Auto] Allows the system to detect the presence of USB devices at startup. If
detected, the USB controller legacy mode is enabled. If no USB device is
detected, the legacy USB support is disabled.
Legacy USB3.0 Support [Enabled] (P8H61-MX USB3 only)
[Enabled] Enables the support for USB 3.0 devices on legacy operating systems
(OS).
[Disabled] Disables the function.
EHCI Hand-off [Disabled]
[Enabled] Enables the support for operating systems without an EHCI hand-off
feature.
[Disabled] Disables the function.
The USB Devices item shows the auto-detected values. If no USB device is detected, the
item shows None.
2.5.5 USB Conguration
The items in this menu allow you to change the USB-related features.
Graphics Conguration
Primary Display [Auto]
Allows you to decide which graphics controller to use as the primary boot device.
Conguration options: [Auto] [iGPU] [PCIE]
iGPU Memory [Auto]
Allows you to set the iGPU memory size. Conguration options: [Auto] [32M] [64M]
[96M] [128M] ~ [448M] [480M] [512M] [1024M]
Render Standby [Enabled]
Allows you to enable or disable Render Standby by internal graphics devices.
Conguration options: [Enabled] [Disabled]
iGPU Multi-Monitor [Disabled]
Allows you to enable or disable the internal graphics device’s multi-monitor support for
add-on VGA devices. And the memory size for internal graphics device will keep 64MB.
Conguration options: [Disabled] [Enabled]