ROM-5420 User Manual
10
3.1
Test Tools
All test tools must be verified on ROM-5420 Evaluation kit, please prepare required
test fixtures before verifying each specified I/O. If you have any problem to get the
test fixture, please contact your Advantech contact window for help.
3.1.1
eMMC Test
Step1: Erase and check
#dd if=/dev/zero of=/dev/mmcblk0 bs=1024 count=1 seek=25118
1+0 records in
1+0 records out
#hexdump -C /dev/mmcblk0 -s 25720832 -n 16
01887800 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
Step2: Write and check
3.1.2
SATA Test
Step1: Erase and check
#dd if=/dev/zero of=/dev/sda bs=1024 count=1 seek=25118
1+0 records in
1+0 records out
#hexdump -C /dev/sda -s 25720832 -n 16
01887800 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
Step2: Write and check
#echo -n "0123456789ABCDEF" | dd of=/dev/sda bs=1024 count=1 seek=25118
0+1 records in
0+1 records out
#hexdump -C /dev/sda -s 25720832 -n 16
01887800 30 31 32 33 34 35 36 37 38 39 41 42 43 44 45 46 |0123456789ABCDEF|
3.1.3
USB Test
Step 1: Insert USB flash disk then assure it is in ROM-5420 device list
Step 2: Erase and check
#dd if=/dev/sdb of=/dev/sdb bs=1024 count=1 seek=25118
1+0 records in
1+0 records out
#hexdump -C /dev/sdb -s 25720832 -n 16
01887800 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
