SBC35-427/BIOS Settings
v1.0
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Page 18
4.3.11 Embedded Controller
Configure the embedded controller functions (Legacy UART and Watchdog
Timer) and view ambient temperature and SOC voltages.
The following parameters are provided for reference and are updated
every half-second:
• Ambient Temperature
• Core Voltage
• +5V Voltage
• +3.3 Voltage
• +12V Voltage
• VDDQ Voltage
• Battery Voltage
4.3.12 HD-Audio
Enable/disable high-definition (HD) audio.
Feature
Description
Choices
Default
Legacy UART
Controls and configures the Legacy UART on the EC.
This port only supports the RS-232 protocol.
NOTE:
Legacy UART settings are mirrored in the
Serial Ports section of the BIOS options.
Enable,
Disable
Enable
Address
Selects Legacy UART address.
3F8h, 2F8h,
3E8h, 2E8h
2F8
Interrupt
Selects Legacy UART interrupt.
IRQ3, IRQ4,
IRQ5
IRQ3
Baud Rate
Selects Legacy UART baud rate.
9600, 19200,
38400, 57600,
115200
115200
Watchdog
Timer
Controls the watchdog timer (WDT) on the EC. If
enabled, mode and time-out can be configured.
Enable,
Disable
Disable
Time-Out
Selects WDT time-out value.
1 to 255
0
Mode
Selects WDT time units.
Seconds,
Minutes
Minutes
Feature
Description
Choices
Default
HD-Audio Support
Enables/disables high-definition audio.
Enable,
Disable
Enable
