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ITA-8100 / ITA-8120 User Manual
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3.2
Light Sensor Enabled and Disabled
3.2.1
Introduction
ITA-8100 and ITA-8120 features a built-in light sensor on the front panel.This Light
sensor is enabled by default so that the backlight brightness is automatically changed
according to intensity of the ambient light. The brightness can be manually adjusted
by disabling the light sensor. It can be set or switched in the BIOS menu.
Table 3.4: DIO – LED High
Step
Action
Description
00
Wait IBF clear
0x29A, BIT1, = 0
01
Write 0xE7 to 0x29A
Send DIO command
02
Wait IBF clear
0x29A, BIT1, = 0
03
Write 0x03 to 0x299 port
Send Write LED High
Table 3.5: DIO – LED Low
Step
Action
Description
00
Wait IBF clear
0x29A, BIT1, = 0
01
Write 0xE7 to 0x29A
Send DIO command
02
Wait IBF clear
0x29A, BIT1, = 0
03
Write 0x04 to 0x299 port
Send Write LED Low
Summary of Contents for ITA-8100
Page 8: ...ITA 8100 ITA 8120 User Manual viii...
Page 15: ...Chapter 2 2 Connectors and Function Keys Introduction I O Connectors Bezel Key Mapping...
Page 20: ...ITA 8100 ITA 8120 User Manual 12...
Page 28: ...ITA 8100 ITA 8120 User Manual 20 StartWD usleep 5000000 StopWD return 0...
Page 29: ...Appendix A A Panel Mounting...
Page 30: ...ITA 8100 ITA 8120 User Manual 22 A 1 Panel Mounting M6x20L...