There are images jetson-nano-2gb-jp461-sd-card-image.zip & jetson-nano-jp461-sd-card-image.zip.
What is the differece? The comment is below, but I still do not understand.
jetson-nano-2gb-jp461-sd-card-image.zip:
download from https://developer.download.nvidia.com/embedded/L4T/r32_Release_v7.1/JP_4.6.1_b110_SD_Card/Jetson_Nano_2GB/jetson-nano-2gb-jp461-sd-card-image.zip?t=eyJscyI6ImdzZW8iLCJsc2QiOiJodHRwczovL3d3dy5nb29nbGUuY29tLyJ9
This SD card image works for Jetson Nano 2GB Developer Kit and is built with JetPack 4.6.1. Download and write it to your microSD card and use it to boot the developer kit.
jetson-nano-jp461-sd-card-image.zip:
https://developer.download.nvidia.com/embedded/L4T/r32_Release_v7.1/JP_4.6.1_b110_SD_Card/Jeston_Nano/jetson-nano-jp461-sd-card-image.zip?t=eyJscyI6ImdzZW8iLCJsc2QiOiJodHRwczovL3d3dy5nb29nbGUuY29tLyJ9
This SD card image works for all Jetson Nano Developer Kits (both 945-13450-0000-100 and the older 945-13450-0000-000) and is built with JetPack 4.6. Download and write it to your microSD card and use it to boot the developer kit.