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Appendix
IBR117
User’s Manual
41
L.
SATA (hard disk) Test
Insert the hard disk then assure it is in IBR117 device list.
Note:
This operation may damage the data stored in the hard disk. Before
starting the test, make sure there is no critical data in the hard disk
being used.
•
Reading & writing test
HD_DIR="/run/media/mmcblk1p1"
#create data file
dd if=/dev/urandom of=/var/data1 bs=1024k count=100
#write data to hard disk
dd if=/var/data1 of=$ HD_DIR/data2 bs=1024k count=100
#read data2, and compare with data1
cmp $HD_DIR/data2 /var/data1
•
Hard disk speed test
HD_DIR="/run/media/mmcblk1p1"
# hard disk write speed
dd if=/dev/zero of=$HD_DIR/$i/test bs=1M count=1000 oflag=nocache
# hard disk read speed
dd if=$HD_DIR/$i/test of=/dev/null bs=1M oflag=nocache
Summary of Contents for IBR117
Page 1: ...IBR117 3 5 ARM based SBC With NXP Cortex A9 Dual Core i MX6 User s Manual Version 1 0 May 2018...
Page 8: ...viii IBR117 User s Manual This page is intentionally left blank...
Page 15: ...General Information IBR117 User s Manual 7 1 1 7 Dimensions Unit mm...
Page 16: ...8 IBR117 User s Manual IBR117 Reference Heat Sink...
Page 20: ...12 IBR117 User s Manual 2 3 Jumper Connector Locations on IBR117 Board diagram of IBR117...
Page 39: ...31 Appendix This section provides the information of reference code...