Advantech ROM-8720 User Manual page 25

$ dhclient -I ${NET_INTF}
$ iperf -c 192.168.0.2 -t 60 -i 10
3.1.10 10GBase-KR Test
Plug ROM-EG60 to "OCP module connector" of SOM-DB5920
$ dhclient -I ${TG_INTF}
$ iperf -c 192.168.0.2 -t 60 -i 10
3.1.11 GPIO Test
$ echo ${PIN_NO} > /sys/class/gpio/export
$ echo out > /sys/class/gpio/gpio${PIN_NO}/direction
$ echo 1 > /sys/class/gpio/gpio${PIN_NO}/value
$ cat /sys/class/gpio/gpio${PIN_NO}/value => confirm is 1 or not
# ${PIN_NO} can be 368 ~ 375
3.1.12 Watchdog Test
$ echo 1 > /dev/watchdog
3.1.13 SATA Test
$ mount /dev/sda /mnt
# read/write/verify data under kernel
3.1.14 I2C Test
# Check device address on i2c bus
$ i2cdetect -y 0
$ i2cdetect -y 1
$ i2cdetect -y 2
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