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IGX1m02 78/134
17.4.8
LVDS Brightness
Determines the brightness of the LCD panel connected at the LVDS interface. Permissible values:
0..255
0
stands for the minimum (
0
V) and 255 for the maximum (4V) brightness voltage level at the corresponding inverter connection.
17.4.9
POST Screen Mode
Determines whether the output during POST is in graphic mode or text mode.
To view outputs during POST
,
text mode must be selected for LCD panels with a resolution < 800x600.
Graphic Mode
The system is in graphic mode during POST and BIOS setup.
Text Mode
The system is in text mode during POST and BIOS setup.
17.5
USB Configuration
17.5.1
USB Devices
Shows the number of available USB devices, USB keyboards, USB mice and USB hubs.
17.5.2
Legacy USB Support
Specifies whether legacy USB support is available. This function should always be enabled or
set to
Auto
so that the operating system can
be booted from a USB device if required.
Disabled
Legacy USB support is not available. A USB keyboard or USB mouse can only be used if this is supported by the
operating system. Booting the operating system from a USB device is not possible
.
Enabled
Legacy USB support is available. A USB keyboard or USB mouse can also be used if the operating system does not