VIA Technologies VB7009 User Manual page 112

6.33.1.2.1 6.33.1.2.1 Select Display Device 1 and 2 Select Display Devi
6.33.1.2.1 6.33.1.2.1 Select Display Devi Select Display Devi
The Select Display Device feature enables the user to choose a specific display interface. This
feature has two options: CRT and LCD. If both Select Display Device 1 and Select Display Device 2
are set to the same interface, then any display device connected to the other interface will not
function. For example, if both Select Display 1 and 2 are set to CRT, then no data will be sent to
the LCD port.
6.33.1.2.2 6.33.1.2.2 6.33.1.2.2 6.33.1.2.2 Panel Type Panel Type Panel Type Panel Type
The Panel Type feature enables the user to specify the resolution of the display being used with the
system. The panel types are predefined in the VGA VBIOS.
Panel Type Panel Type Panel Type Panel Type Resolution Resolution Resolution Resolution
00 640 x 480
01 800 x 600
02 1024 x 768
03 1280 x 768
04 1280 x 1024
05 1400 x 1050
06 1440 x 900
07 1280 x 800
6.33.1.2.3 6.33.1.2.3 6.33.1.2.3 6.33.1.2.3 VGA Share Memory (Frame Buffer) VGA Share Memory (Frame Buffer) VGA Share Memory (Frame Buffer) VGA Share Memory (Frame Buffer)
The VGA Share Memory feature enables the user to choose the amount of the system memory to
reserve for use by the integrated graphics controller. The selections of memory amount that can be
reserved are 128MB, 256MB and 512MB.
6.33.1.2.4 6.33.1.2.4 6.33.1.2.4 6.33.1.2.4 CPU Direct Access Frame Buffer CPU Direct Access Frame Buffer CPU Direct Access Frame Buffer CPU Direct Access Frame Buffer
The CPU Direct Access Frame Buffer feature enables the CPU to write to the portion of memory
reserved for the integrated graphics controller. This feature has two options: "Disabled" and
"Enabled".
6.33.1.2.5 6.33.1.2.5 LCD Clock Source Control LCD Clock Source Control
6.33.1.2.5 6.33.1.2.5 LCD Clock Source Control LCD Clock Source Control
The clock source for LCD backlight control. This feature has four options: 14KHz/7KHz/110Hz/50Hz.
6.33.1.2.6 6.33.1.2.6 6.33.1.2.6 6.33.1.2.6 LCD Backlight Control LCD Backlight Control LCD Backlight Control LCD Backlight Control
The Backlight Control feature control by VX900 enables the user to control the brightness of the
LCD backlight. This feature has five options.
Level 1 Level 1
Level 1 Level 1 0% PWM Duty
Level 1 Level 1
Level 1 Level 1 25% PWM Duty
Level 2 Level 2 Level 2 Level 2 50% PWM Duty
Level 3 Level 3
Level 3 Level 3 75% PWM Duty
Level 4 Level 4 Level 4 Level 4 100% PWM Duty
ce 1 and 2
ce 1 and 2 ce 1 and 2
Panel Type Panel Type Panel Type Panel Type Resolution Resolution Resolution Resolution
08 800 x 480
09 1024 x 600
10 1366 x 768
11 1600 x 1200
12 1680 x 1050
13 1920 x 1200
14 1920 x 1080
15 1024 x 576
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