20221026 __ NRU-52S ES2 / ES3

With the following procedures, you can recover NRU-52S ES2 / ES3 to our latest stable status.

Step A. Preparation

  • Prepare a Host Machine (Linux x86 with Ubuntu 18.04)

  • Install NVIDIA SDKManager for JetPack4.6.1 and Xavier NX module, and you will have a L4T folder.

  • Put NRU-50 into recovery mode.

    • The recovery button is next to the terminal block of the DC input.

    • Press down the recovery button

    • Power on NRU-50

    • Wait 5 seconds with the recovery button remains pressed

    • Release recovery button

  • Connect NRU-50 with the Host Machine by a micro USB to USB cable

Step B-1. Flash with Neousys Pre-built System Image

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The NRU NAS is not disclosed in the public domain. Please contact your sales representative to get access.

  • Download NRU-52S pinmux and device tree files, e.g., nru50_0408_1635.tar.gz from NRU NAS. Then, extract the file at L4T folder by tar zxvf nru50_0408_1635.tar.gz

  • Download the latest system image from NRU NAS

  • Put the system image into L4T/bootloader and rename the downloaded system image as system.img

  • On Host Machine, input the following command to flash the whole system with Neousys' pre-built system image and NRU-50's device tree.

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