Advantech SG-1103 Manuel d'utilisateur télécharger pdf (Page 18)

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 |................|

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 53 54

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Advantech SG-1103 Manuel d'utilisateur Page 18