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Last Post 04 Feb 2013 08:11 AM by  richard.laborde@logicpd.com
SD card detection with AM3703
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denny.mathew@nestgroup.net
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Posts:1


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31 Jan 2013 04:51 AM
    Hello,

    I have a very new DM3730 and an AM3707 SOM ...The AM used to boot from my SD card .Now suddenly it fails to boot from sd cardbut rather it jumps straight to the logicloader in the nand.
    Tried many reinsertions, reformatings ,used all the demo SD cards but still never takes the SD boot.
    The DM works fine with all the SD cards..Strangely it worked yesterday but stopped working in the next reinsertion ever since...

    Any one faced similar issues??? out of options...
    richard.laborde@logicpd.com
    Basic Member
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    Posts:247


    --
    04 Feb 2013 08:11 AM
    Is this on the development kit baseboard or your custom design?
    Chances are the SD card is not formatted properly anymore.

    The other options:
    something interfering with the card detect switches on the SD card cage.
    SOM not completely seated

    I see that someone else from your company has a support case logged on booting the AM3703 from SD card. Is this the same issue?
    I'll be sure the support team knows it is still an issue.

    One way to test the formatting question is to use the NAND recovery procedure - the files are available in the downloads section - this will prove out if the card is being formatted properly for the boot rom to find the MLO on the SD card.
    Thanks
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