NVIDIA Jetson Thor Series Modules Certificate of Volatility

Application Note

Document History

Version Date Description of Change
1.0 June 26, 2025 Initial release
1.1 July 16, 2025 Updated USB section: Changed SODIMM to B2B connector

Jetson Thor Module

Table 1. Module Description

Model Part Number
NVIDIA Jetson Thor 128GB 900-13834-0000-000

Volatile Memory

Does the device contain volatile memory (memory whose contents are lost when power is removed)?

YES / NO

If yes, describe the type, size, function, and steps to clear the memory below.

Table 2. Volatile Memory Description

Type Size User Modifiable Function Steps to Clear Memory
LPDDR5X 128 GB YES System memory Power off

Non-Volatile Memory

Does the device contain non-volatile memory (memory whose contents are retained when power is removed)?

YES / NO

If yes, describe the type, size, function, and steps to clear the memory below.

Table 3. Non-Volatile Memory Description

Type Size User Modifiable Function Steps to Clear Memory
QSPI 512Mb NO Storing bootloader partition. 1. Put module in RCM (Force Recovery Mode); run the command on host PC: $ sudo ./tools/kernel_flash/l4t_initrd_flash.sh --initrd --boot-rootfs jetson-agx-thor-devkit internal 2. Login to module through ssh; on host PC: $ ssh root@fc00:1:1::2 3. Erase QSPI; run command on module: -bash-5.0# flash_erase /dev/mtd0 0 0
EEPROM 256 Bytes NO Storing module information. 1. Boot module to Linux userspace 2. Erase either byte; run command on module: $ sudo i2cset -f -y 0 0x50 <byte_offset> <new_value> 3. Run command to dump data: $ sudo i2cdump -f -y 0 0x50

Warning: Clearing QSPI – After clearing QSPI, the device cannot be rebooted. User must re-flash the device.

Clearing EEPROM – After clearing EEPROM, the device cannot be re-flashed. To avoid data loss, backup any data before clearing it (e.g., BOARDID and BOARDSKU values). Refer to Flashing to Jetson Without Reading EEPROM for instructions on how to skip the EEPROM read during flashing and correct EEPROM content.

Mass Storage

Does the device contain mass storage memory?

YES / NO

If yes, describe the type, size, function, and steps to clear the memory below.

Table 4. Mass Storage Memory Description

Type Size User Modifiable Function Steps to Clear Memory
YES / NO

USB

Does the device accept USB input and if so, for what purpose (e.g., device firmware updates, etc.)?

YES / NO

If yes, describe below.

There is no USB connector on the module but the USB signals are ready and exposed at the board-to-board (B2B) connector. This enables USB interfaces to USB devices or a USB connector on their carrier board. It is mainly used for device firmware update and board debugging. Could also be used for USB memory stick.

RF/RFID

Does the device use RF or RFID to receive or transmit any data including remote diagnostics (e.g., cellular phone, Bluetooth, etc.)?

YES / NO

If yes, describe below.

Other Transmission Capabilities

Does the device employ any other methods of non-wired access to transmit or receive any data whatsoever (e.g., anything other than standard hard-wired TCP/IP, direct USB, or parallel connections)?

YES / NO

If yes, describe below.

Other Capabilities

Does the device employ any other method of communications such as a Modem to transmit or receive any data whatsoever?

YES / NO

If yes, describe below.

Notice

This document is provided for information purposes only and shall not be regarded as a warranty of a certain functionality, condition, or quality of a product. NVIDIA Corporation ("NVIDIA") makes no representations or warranties, expressed or implied, as to the accuracy or completeness of the information contained in this document and assumes no responsibility for any errors contained herein. NVIDIA shall have no liability for the consequences or use of such information or for any infringement of patents or other rights of third parties that may result from its use. This document is not a commitment to develop, release, or deliver any Material (defined below), code, or functionality.

NVIDIA reserves the right to make corrections, modifications, enhancements, improvements, and any other changes to this document, at any time without notice.

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NVIDIA makes no representation or warranty that products based on this document will be suitable for any specified use. Testing of all parameters of each product is not necessarily performed by NVIDIA. It is customer's sole responsibility to evaluate and determine the applicability of any information contained in this document, ensure the product is suitable and fit for the application planned by customer, and perform the necessary testing for the application in order to avoid a default of the application or the product. Weaknesses in customer's product designs may affect the quality and reliability of the NVIDIA product and may result in additional or different conditions and/or requirements beyond those contained in this document. NVIDIA accepts no liability related to any default, damage, costs, or problem which may be based on or attributable to: (i) the use of the NVIDIA product in any manner that is contrary to this document or (ii) customer product designs.

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Trademarks

NVIDIA, the NVIDIA logo, Jetson, Thor are trademarks and/or registered trademarks of NVIDIA Corporation in the U.S. and other countries. Other company and product names may be trademarks of the respective companies with which they are associated.

VESA DisplayPort

DisplayPort and DisplayPort Compliance Logo, DisplayPort Compliance Logo for Dual-mode Sources, and DisplayPort Compliance Logo for Active Cables are trademarks owned by the Video Electronics Standards Association in the United States and other countries.

HDMI

HDMI, the HDMI logo, and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC.

Arm

Arm, AMBA, and Arm Powered are registered trademarks of Arm Limited. Cortex, MPCore, and Mali are trademarks of Arm Limited. All other brands or product names are the property of their respective holders. "Arm" is used to represent Arm Holdings plc; its operating company Arm Limited; and the regional subsidiaries Arm Inc.; Arm KK; Arm Korea Limited.; Arm Taiwan Limited; Arm France SAS; Arm Consulting (Shanghai) Co. Ltd.; Arm Germany GmbH; Arm Embedded Technologies Pvt. Ltd.; Arm Norway, AS, and Arm Sweden AB.

OpenCL

OpenCL is a trademark of Apple Inc. used under license to the Khronos Group Inc.

Copyright

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