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shairva
Explorer
Explorer
780 Views
Registered: ‎09-19-2018

Brand new ZCU104 not working

Hello,
 
I have here with me a ZCU104, and I'm trying to boot it from an SD card (128 GB), but it's not working. See the red leds.
zcu.jpg
 
According to ug1267-zcu104-eval-bd.pdf, it means:
PS error out is asserted for accidental loss of power, an error in the PMU that holds the CSU in reset, or an exception in the PMU
 
anyone can help me please?
 
 
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5 Replies
kvasantr
Moderator
Moderator
752 Views
Registered: ‎04-12-2017

Hello @shairva 

can you confirm if you are observing this similar behavior even after multiple power cycles

Can you try programming the device from JTAG and confirm if you see the similar behavior ?

Also how long you have been using this board ?

Did you observed this issue at time zero or after some period of usage ?

Thank you

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shairva
Explorer
Explorer
739 Views
Registered: ‎09-19-2018

Dear @kvasantr 

I have tested the board with a 32GB microSD and it works fine.

Why it doesn't work with a 128GB microSD ?

What's the maximum possible capacity for the microSD ?

 

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kvasantr
Moderator
Moderator
723 Views
Registered: ‎04-12-2017

Hello @shairva 

There is no such limitation considering the capacity of SD card.

Are the SD cards of same standard ? also from the same vendor ?

Thank you

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kvasantr
Moderator
Moderator
681 Views
Registered: ‎04-12-2017

Hello @shairva 

Can you give me update on this ?

Please conclude this post if you think we were able to resolve this issue.

Thank you

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shairva
Explorer
Explorer
654 Views
Registered: ‎09-19-2018

I tried with a 16GB and 32GB microSD and the board worked perfectly.

When using 128GB microSD, the board does not work boot.

These are the cards:

f57fc952-f1a6-4eb0-9993-388630db92ee.jpg

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