Aaeon EMB-BT4, Manual

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3-5
Chapter 3: BIOS setup
Change Settings [Auto]
Allows you to select an optimal setting for Super I/O devices. Configuration
options: [Auto] [IO=378h; IRQ=7;] [IO=378h; IRQ=7;] [IO=278h; IRQ=7;]
[IO=3BCh; IRQ=7;] [IO=378h;] [IO=278h;] [IO=3BCh;]
Device Mode [STD Printer Mode]
Allows you to select the Printer Port mode. Configuration options: [STD
Printer Mode] [SPP Mode] [EPP-1.9 and SPP Mode] [EPP-1.7 and SPP
Mode] [ECP Mode] [ECP and EPP 1.9 Mode] [ ECP and EPP 1.7 Mode]
3.3.4 Dynamic Digital IO
The items in this menu allow you to modify Digital IO settings.
GPIO0~3 Direction [Input]
Set GPIO data flow as Input or Output. Configuration options: [Input] [Output]
GPIO4~7 Direction [Output]
Set GPIO data flow as Input or Output. Configuration options: [Input] [Output]
Output Level [High]
Configuration options: [High] [Low]
3.3.5 Trusting Computing
The items in this menu allow you to modify trusted computing settings.
Security Device Support [Disabled]
Enables or disables BIOS support for security device, which will not be displayed in
the operating system. TCG EFI protocol and INT1A interface will not be available.
Configuration options: [Disabled] [Enabled]
3.3.6 USB Configuration
The USB Devices item lists auto-detected values. If no USB device is detected,
the item shows None.
Legacy USB Support [Enabled]
[Enabled] Enables the support for USB devices on legacy operating
systems (OS).
[Disabled] USB devices are only available when running BIOS Setup.