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VT-SBC-C3558R | User Manual 41
3.7
M.2 SSD
VT-SBC-C3558R implements an M.2 B-Key (2280) slot, supporting SATA bus to connect an
SSD card for storage expansion.
Before you debug the slot, please insert an SSD card to the slot. Please refer to
3.6
for the
commands that might be used for the debugging.
3.8
RTC
RTC module provides accurate time and date information
to the system. If you are using
the RTC for the first time, please calibrate the RTC time to the system time.
1.
Set the system date & time;
# date -s "2023-03-24 14:38:10"
2.
Synchronize the RTC time with the system time;
# hwclock -w
3.
Reboot the Board;
# reboot
4.
Check the RTC time information.
# hwclock -r
3.9
Watchdog Timer
3.9.1
System watchdog timer
1.
Enable the watchdog timer;
# echo 0 > /dev/watchdog
2.
The system will automatically shut down after 30s;
3.
Set a feeding frequency;
# echo “xxx” > /dev/watchdog
4.
Disable the watchdog timer.
# echo V > /dev/watchdog
