Asus A78M-E User Guide - Page 49

NB Configuration, Onboard Devices Configuration, Primary Video Device [PCIE / PCI Video] - a dual graphics

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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. EHCI Hand-off [Disabled] [Enabled] Enables the support for operating systems without an EHCI hand‑off feature. [Disabled] Disables the function. USB Single Port Control Allows you to enable/disable individual USB ports. 2.6.4 NB Configuration IGFX Multi-Monitor [Disabled] Enables or disables the Internal Graphics Device Multi-Monitor support for add-on VGA devices. And the memory size of Internal Graphics Device will keep memory reserved. Configuration options: [Disabled] [Enabled] The IGFX Multi-Monitor item must be enabled before using AMD® Dual Graphics technology. Primary Video Device [PCIE / PCI Video] Selects the primary display device. Configuration options: [IGFX Video] [PCIE / PCI Video] Integrated Graphics [Auto] Enables the integrated graphics controller. Configuration options: [Auto] [Force] UMA Frame Buffer Size [Auto] This item appears only when you set the Integrated Graphics item to [Auto]. Configuration options: [Auto] [64M] [128M] [256M] [512M] [1G] [2G] 2.6.5 Onboard Devices Configuration HD Audio Device [Enabled] [Enabled] Enables the High Definition Audio Controller. [Disabled] Disables the controller. The following two items appear only when you set the HD Audio Device item to [Enabled]. ASUS A78M-E 2-19

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ASUS A78M-E
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.
EHCI Hand-off [Disabled]
[Enabled]
Enables the support for operating systems without an EHCI hand‑off
feature.
[Disabled]
Disables the function.
USB Single Port Control
Allows you to enable/disable individual USB ports.
2.6.4
NB Configuration
IGFX Multi-Monitor [Disabled]
Enables or disables the Internal Graphics Device Multi‑Monitor support for add‑on VGA
devices. And the memory size of Internal Graphics Device will keep memory reserved.
Configuration options: [Disabled] [Enabled]
The
IGFX Multi-Monitor
item must be enabled before using AMD
®
Dual Graphics
technology.
Primary Video Device [PCIE / PCI Video]
Selects the primary display device. Configuration options: [IGFX Video] [PCIE / PCI Video]
Integrated Graphics [Auto]
Enables the integrated graphics controller. Configuration options: [Auto] [Force]
UMA Frame Buffer Size [Auto]
This item appears only when you set the
Integrated Graphics
item to [Auto]. Configuration
options: [Auto] [64M] [128M] [256M] [512M] [1G] [2G]
2.6.5
Onboard Devices Configuration
HD Audio Device [Enabled]
[Enabled]
Enables the High Definition Audio Controller.
[Disabled]
Disables the controller.
The following two items appear only when you set the
HD Audio Device
item to [Enabled].