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From 10/28/2021 to 11/26/2021

11/25/2021

12:31 PM PCB Development: RE: Bootup Peculiarities
Hi Lucas,
In your boot log, I am seeing several error messages around the SD-MMC card (ext4-fs /dev/mmcblk0p* devi...
Michael Williamson

11/24/2021

08:58 PM PCB Development: RE: Bootup Peculiarities
Correction!
I held down the POR low a little longer and it booted...
U-Boot SPL 2013.01.01 (Sep 14 2021 -...
Lucas Uecker
07:56 PM PCB Development: RE: Bootup Peculiarities
No output from console on the module that has the NCONFIG light come on.
New module doesn't boot up, so no output fr...
Lucas Uecker
05:14 PM PCB Development: RE: Bootup Peculiarities
Hi Lucas,
It looks like you do have the pull ups on CMD and D0. Can you post your console log of the SOM hanging d...
Daniel Vincelette
02:26 PM PCB Development: RE: Bootup Peculiarities
!SDcardRs.PNG! Lucas Uecker
02:25 PM PCB Development: RE: Bootup Peculiarities
Here's the relevant area on my schematic: Lucas Uecker
02:16 PM PCB Development: RE: Bootup Peculiarities
Hi Lucas,
Do you have the pull up resistors on the SD Card interface?
Have you looked at this support page on "...
Michael Williamson

11/22/2021

10:22 PM PCB Development: Bootup Peculiarities
Hello again.
I have built a handful of prototypes of our carrierboard and have had some boot up fine (I have it se...
Lucas Uecker
 

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