Why my orin develop kit is only active 8 cpu?

[allenzhu]

hi
I flash r35.2.1 sdk package when I get a new orin develop kit hardware.
Then, I check some information by lscpu command:

I found only 8 cpu is on-line. Why is this so, please help me solve this doubt.

Thanks

[carolyuu]

Hi,
If the device cannot be flashed/booted, please refer to the page to get uart log from the device:
Jetson/General debug - eLinux.org
And get logs of host PC and Jetson device for reference. If you are using custom board, you can compare uart log of developer kit and custom board to get more information.
Also please check FAQs:
Jetson AGX Orin FAQ
If possible, we would suggest follow quick start in developer guide to re-flash the system:
Quick Start — NVIDIA Jetson Linux Developer Guide 1 documentation
And see if the issue still persists on a clean-flashed system.
Thanks!

[WayneWWW]

please share the result of command

cat /etc/nv_boot_control.conf

[allenzhu]

the information is as follows:

[WayneWWW]

New Orin AGX devkit is not supported in 35.2.1.
Flashing latest jetpack will give you 12 cores.

[allenzhu]

Will it make any difference? Is there anything unusual about my current r35.2.1 based development work

[WayneWWW]

Later Orin AGX devkit is changed to 64GB module but rel35.2.1 does not support 64GB module.,