Advantech UBC-220, User Manual, Page: 28 / 62

UBC-220 User Manual 20
Figure 2.23 Hyper Terminal Settings for Terminal Setup
2.5 Test Tools
All test tools must be verified on UBC-220, please prepare required test fixtures
before verifying each specified I/O. If you have any problems to get the test fixture,
please contact Advantech for help.
2.5.1 eMMC Test
1. Create a file and copy to eMMC.
#echo 123456789ABCDEF > test.txt
#dd if=./test.txt of=/dev/mmcblk0 bs=1024 count=1
seek=25118
0+1 records in
0+1 records out
16 bytes (16 B) copied, 0.000109331 s, 146 kB/s
2. Check the data copied to eMMC
#hexdump -C /dev/mmcblk0 -s 25720832 -s 32
01887800 31 32 33 34 35 36 37 38 39 41 42 43 44 45 46 0a
|123456789ABCDEF.|
01887810 1d 4f e2 19 d3 05 8b df ab 4a 40 5a c5 23 3c f2
|.O.......J@Z.#<.|
2.5.2 USB Test
1. Insert USB flash disk then assure it is in UBC-220 device list.
Note! Please make sure parameter “seek” is equal to 25118 as indicated in
red in above codes. If you create the file to a wrong sector, that may
damage the system.