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Power problem for booting

a12345 11 days ago

Hello,

I've Avnet Ultrazed EV Carrier Card. In this card, when I power up the board, there is some delay on booting FPGA.

Why this problem can happen ? Can you help me.

Thanks,

Ayse

0 dougw 11 days ago

How long is the delay?
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0 a12345 11 days ago in reply to dougw

It was like 2 sec in the beginning. But after a while, the boot up goes to 38 sec. I did not find the problem about this issue.
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0 dougw 10 days ago in reply to a12345

I don't know anything about FPGA load times, but did you increase the size of what it is loading?

It sounds a bit like my Windows computer - the boot just keeps getting longer as I add more functionality.
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0 dyessgg 9 days ago

If booting from uSD card, try a new card. Also make sure to use a fast card.
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0 brianmckee 9 days ago

I've noticed that the internal eMMC boots faster than the fastest SDCard I have. And the slowest card I have takes at least 30 seconds to boot.

The fastest I've seen it boot linux is around 10 seconds. I think that was for the fast SD Card and the eMMC, but I really didn't benchmark it, I was just paying attention to the kernel time stamps on boot.

If you are running bare metal you can boot much faster.
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