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EPC-R7300 Ubuntu 20.04 User Guide

Introduction​

EPC-R7300 Ubuntu 20.04 User Guide

產品介紹 (Product Introduction)

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產品特性 (Product Features)​

  • NVIDIA Jetson Orin™ Nano and NX Module compatible Barebone PC
  • Industrial and Expandable Design
  • HDMI up to 3840 x 2160 at 60Hz resolution
  • Dual GbE LAN, 2 USB3.2 Gen 2
  • 1 Nano SIM Slot
  • 1 M.2 3042/52 Key B Slot, 1 M.2 2230 Key E Slot, 1 M.2 2280 Key M Slot
  • 4 Kinds of Rear I/O for Each Vertical Focus: IEM, Self Service, Automation and Networking

EPC-R7300

硬件接口說明 (Hardware Interface Introduction)

EPC-R7300 接口布局圖 Board Dimension Layout​

EPC-R7300 Front Real IO.png

EPC-R7300 Left Right side.png

EPC-R7300 Top Bottom.png

接口引脚定義 (Pin Definition)​

DC in

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USB Ports

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LAN Ports

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HDMI

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LED Indicator

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Side Door

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OTG Port

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Nano SIM

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Bottom Door

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Debug Port

EPC-R7300 provides one Debug Port for development used. Debug cable P/N: 1700021565-01 4P-1.25 to D-SUB 9P (F) 60cm

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Recovery Key

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M.2 2230 Key E Slot

EPC-R7300 provides one M.2 2230 Key E Slot for WLAN card. P/N: EWM-W159M201E 802.11 ac/a/b/g/n + Bluetooth 5.0 M.2 2230 (A-E Key) Card

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M.2 3042 Key B Slot

EPC-R7300 provides one M.2 3042 Key B Slot for WWAN card. P/N: AIW-355 DQ-E01 5G M.2 3052 (B Key) Card

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M.2 2280 Key M Slot

EPC-R7300 provides one M.2 2280 Key M Slot for NVMe card. P/N: SQF-C8MV2-128G-EDE 128G M.2 2280 (M Key) Card

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机械尺寸 (Mechanical Characteristics)​

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快速入门 (Quick Start)

系统下载 (OS Download)​

Jetpack 6.2

Jetpack 5.1

Linux 燒錄方法 (Linux Flash eMMC Method)​

  1. Prepare a Linux host system Ubuntu x64 v18.04. Download the image file and unzip the image.tar.gz file on Linux host PC. Example use image version 7300A1AIM35UIV20026.tar.gz.
$ sudo tar zxvf 7300A1AIM35UIV20026_2023-07-03.tgz
$ cd Linux_for_Tegra
  1. Enter to recovery mode by holding the recover button (SW1) and plug power to boot. Release recover button around 3 seconds after plug in power.

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Or enter following command in the device.

$ sudo reboot --force forced-recovery
  1. Connect Micro USB cable from EPC-R7300 Micro USB port to Linux host PC USB TypeA port. Check the device is in recovery mode by command "lsusb". Will get NVidia Corp. with ID 0955:7623
[ubuntu@linux 11:55:43 ~]$ lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 072: ID 174c:2362 ASMedia Technology Inc. ASM236X series
Bus 001 Device 073: ID 05ac:12a8 Apple, Inc. iPhone5/5C/5S/6
Bus 001 Device 074: ID 0955:7623 NVIDIA Corp. APX
Bus 001 Device 003: ID 0bda:0169 Realtek Semiconductor Corp. Mass Storage Device
  1. Execute command to flash image:

For Jetpack 5.1.1:

(1) To flash QSPI + NVME SSD:

$ sudo ./tools/kernel_flash/l4t_initrd_flash.sh --external-device nvme0n1p1 -c tools/kernel_flash/flash_l4t_external.xml -p "-c bootloader/t186ref/cfg/flash_t234_qspi.xml" --showlogs --network usb0 jetson-orin-epcr7300-a1 internal

(2) To flash only QSPI:

$ sudo ./flash.sh --no-system./img_EPC-R7300 -c bootloader/t186ref/cfg/flash_t234_qspi.xml jetson-orin-epcr7300-a1 mmcblk0p1

(3) To flash only NVMe SSD (Need to flash QSPI first):

$ sudo ./tools/kernel_flash/l4t_initrd_flash.sh --external-only --external-device nvme0n1p1 -c tools/kernel_flash/flash_l4t_external.xml --showlogs --network usb0 jetson-orin-epcr7300-a1 internal

For Jetpack 6.2:

(1) To flash QSPI + NVME SSD:

$ sudo ./tools/kernel_flash/l4t_initrd_flash.sh --external-device nvme0n1p1 -c tools/kernel_flash/flash_l4t_external.xml -p "-c bootloader/generic/cfg/flash_t234_qspi.xml" --showlogs --network usb0 jetson-orin-nano-devkit-super internal

(2) To flash QSPI + USB DISK:

$ sudo ./tools/kernel_flash/l4t_initrd_flash.sh --external-device sda1 -c tools/kernel_flash/flash_l4t_external.xml -p "-c bootloader/generic/cfg/flash_t234_qspi.xml" --showlogs --network usb0 jetson-orin-nano-devkit-super internal
  1. Wait around 10~15 minute to flash image to device:

If you get the below "strings: command not found" error, please install "binutils"

$ sudo apt install binutils

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  1. Check the device login to system:

login user: ubuntu/ubuntu

  1. Check the eth1 can get the IP Addr:

Flash image video:

Debug 串口調試 (Debug Port Setting)​

以 Tera Term 为例介绍如何使用串口调试功能

Baud Rate波特率：115200
Data 数据位：8
Parity 奇偶校验：无
Stop 停止位：1
Flow Control流控：无

Tera Term Tool

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Check the Serial port in Device Manager (查看PC端的串口号)：

If you can not identify the Serial device, please check your serial driver.

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Debug port connection (串口連接)

Log into Terminal Tool (进入串口调试终端)：

login user: ubuntu/ubuntu

Linux 基本使用方法 for Jetson Series (Linux System Basic Operating Method for Jetson Series)

  • Check module
$ jetson_release
$ cat /proc/device-tree/model
  • Check OS release version
$ cat /etc/os-release
  • Check tegra version
$ cat /etc/nv_tegra_release
  • Install stress-ng
$ sudo apt install stress-ng
  • Execute stress test
$ stress-ng --cpu 0 --cpu-method all -t 1h
  • Install jtop
$ sudo apt update
$ sudo apt install python3-pip
$ sudo pip3 install -U jetson-stats
$ jtop
  • Install chromium
$ sudo snap install chromium

If there is issue cannot launch chromium, please reference link below to download grade snap version:

chromium not working

  • Install nvidia-jetpack
$ sudo apt install nvidia-jetpack

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Modify defconfig: If an unknown symbol issue occurs after modifying the defconfig, please refer to the compiled information below.

It may fail with additional steps. Please simply follow the steps:

  1. And follow the steps to rebuild kernel, out-of-tree modules, and dtbs:

https://docs.nvidia.com/jetson/archives/r36.4.3/DeveloperGuide/SD/Kernel/KernelCustomization.html#building-the-jetson-linux-kernel

// ignore step 2 which is for RT kernel

https://docs.nvidia.com/jetson/archives/r36.4.3/DeveloperGuide/SD/Kernel/KernelCustomization.html#building-the-nvidia-out-of-tree-modules

// ignore step 2 which is for RT kernel

https://docs.nvidia.com/jetson/archives/r36.4.3/DeveloperGuide/SD/Kernel/KernelCustomization.html#building-the-dtbs

  1. Manually copy the files: (quick fix for a known issue: https://forums.developer.nvidia.com/t/319667/)
$ cd /Linux_for_Tegra/rootfs/lib/modules/5.15.148-tegra/updates/
$ sudo cp nvidia.ko opensrc-disp/
$ sudo cp nvidia-modeset.ko opensrc-disp/
$ sudo cp nvidia-drm.ko opensrc-disp/
  1. Flash the system
$ cd /Linux_for_Tegra/
$ sudo ./flash.sh jetson-agx-orin-devkit internal

NVIDIA 模塊安裝 (NVIDIA Jetson Module Installation)

How to Build BSP (BSP Compile)

NVIDIA Jetson Software:

◼ Jetson Support Resource
https://developer.nvidia.com/embedded/community/support-resources

◼ Jetson Wiki
https://elinux.org/Jetson

◼ Jetson Jetpack SDK
https://developer.nvidia.com/embedded/jetpack

◼ Jetson FAQ
https://developer.nvidia.com/embedded/faq

Software Forum:

◼ Jetson Developer Forum
https://forums.developer.nvidia.com/c/agx-autonomous-machines/jetson-embedded-systems/70

◼ AIM-Linux Developer Forum
https://forum.aim-linux.advantech.com/

◼ NVIDIA NVONLINE
https://partners.nvidia.com/

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This page was last modified on 10 December 2025, at 03:28.

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