L4T R32.5.1 Release Page | NVIDIA Developer

NVIDIA L4T is the board support package for Jetson. It includes Linux Kernel 4.9, bootloader, NVIDIA drivers, flashing utilities, sample filesystem based on Ubuntu 18.04, and more for the Jetson platform.

Note: L4T 32.5.2 is a minor update on L4T 32.5.1 and includes security fixes.

L4T R32.5.2

NVIDIA L4T 32.5.2 is identical to L4T 32.5.1 but contains additional security fixes. It supports all Jetson modules: Jetson AGX Xavier series, Jetson Xavier NX, Jetson TX2 series, Jetson TX1, and Jetson Nano. All Jetson developer kits are also supported.

For more details on security fixes included, please refer to NVIDIA security bulletin.

	Jetson AGX Xavier, Xavier NX and TX2	Jetson Nano, Nano 2GB and TX1
Drivers	L4T Driver Package (BSP)	L4T Driver Package (BSP)
Drivers	Sample Root Filesystem	Sample Root Filesystem
Sources	L4T Driver Package (BSP) Sources	L4T Driver Package (BSP) Sources
	Cboot Sources T186 Cboot Sources T194
	Sample Root Filesystem Sources
Docs	Release Notes

L4T R32.5.1

NVIDIA L4T 32.5.1 supports all Jetson modules: Jetson AGX Xavier series, Jetson Xavier NX, Jetson TX2 series, Jetson TX1, and Jetson Nano. All Jetson developer kits are also supported.

L4T 32.5.1 is included as part of JetPack 4.5.1

See the online Jetson Linux Developer Guide for detailed documentation.

Supported Features

L4T 32.5.1 is identical to L4T 32.5 except for the following new features:
- Developer preview support for Jetson TX2 NX module
- Developer preview of pre-built Real-Time Kernel package for Jetson AGX Xavier

Vulkan Support on L4T

Vulkan 1.2

32.5.1 Driver Details

	Jetson AGX Xavier, Xavier NX and TX2	Jetson Nano, Nano 2GB and TX1
Drivers	L4T Driver Package (BSP)	L4T Driver Package (BSP)
	Sample Root Filesystem	Sample Root Filesystem
	NVIDIA Hardware Acceleration in the WebRTC Framework
Sources	L4T Driver Package (BSP) Sources	L4T Driver Package (BSP) Sources
	Cboot Sources T186 Cboot Sources T194
	Free RTOS Sources
	Sample Root Filesystem Sources
Docs	Jetson AGX Xavier Developer Kit User Guide Jetson Xavier NX Developer Kit User Guide Jetson TX2 Developer Kit User Guide	Jetson Nano Developer Kit User Guide Jetson Nano 2GB Developer Kit User Guide
	Jetson AGX Xavier Platform Adaptation Guide Jetson Xavier NX Platform Adaptation Guide Jetson TX2 Platform Adaptation Guide	Jetson Nano Platform Adaptation Guide Jetson TX1 Platform Adaptation Guide
	Release Notes
	Jetson Linux Developer Guide (online version) Jetson Linux Developer Guide (downloadable version)

	Jetson Sensor Processing Engine (SPE) Developer Guide (online version) Jetson Sensor Processing Engine (SPE) Developer Guide (downloadable version)
	Multimedia API Reference (online version) Multimedia API Reference (downloadable version)
	Accelerated GST
	Software License Agreement
Tools	GCC 7.3.1 for 64 bit BSP and Kernel
	Sources for the GCC 7.3.1 Tool Chain for 64-bit BSP and Kernel
	CUDA Tools
	NVIDIA Nsight Systems
	NVIDIA Nsight Graphics
	Jetson Platform Fuse Burning and Secure Boot Documentation and Tools	Jetson Platform Fuse Burning and Secure Boot Documentation and Tools

Patch Name	HW Supported	SW Versions Supported	Link
Support of Rasp Pi High def camera	Jetson Nano 2GB	JetPack 4.5.1 / 32.5.1 - 32.5.2	RPi IMX477 Support Nano 2GB
TX2 No Ethernet Overlay	Jetson TX2 (no Ethernet) Jetson TX2 4G (no Ethernet)	JetPack 4.5 / 32.5 JetPack 4.5.1 / 32.5.1 - 32.5.2	tx2-noeth_32.5.x_overlay.zip
TX2 No Ethernet Porting Guide	Jetson TX2 (no Ethernet) Jetson TX2 4GB (no Ethernet)	JetPack 4.5 / 32.5 JetPack 4.5.1 / 32.5.1 - 32.5.2	TX2-NoEth SKU porting guide.pdf
Overlay to support Jetson Xavier NX 16GB	Jetson Xavier NX	JetPack 4.5 / 32.5 JetPack 4.5.1 / 32.5.1	XNX-16GB-r32.5.x-overlay.tbz2
Overlay to support Jetson AGX Xavier 64GB	Jetson AGX Xavier	JetPack 4.5.1 / 32.5.2	XAGX-64GB-R32.5.2-overlay.tbz2
Overlay to support PCN208560, Jetson AGX Xavier 32GB	Jetson AGX Xavier	JetPack 4.5.1 / 32.5.1	overlay_32.5.1_AGX-SKU4.tbz2

To access older versions of L4T, please visit the L4T Archive.