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The NT98321BG is a SoC made by Novatek, it this chip is intented to be used on DVRs as the main CPU, it talks to the ADC/Video capture chip (NVP6861C by NextChip). It's still pretty unknown for me since I couldn't find the SDK or the datasheet for it. It runs a linux system so it probably has an MMU, It's a Non-XiP system.
There is a firmware dump + unpacking<br /repacking tools avaiable on my github [https://github.com/housey2k/nt98321bg-hack here]>
== SDK ==
SDK: https://drive.google.com/file/d/1hHo7R6QZg4pVAegdWrWi6Kg5OoI4kU3V
The toolchain didn't come with the SDK [, i spent months trying to find it, if anyone ever finds it, PLEASE FOR THE LOVE OF GOD contact @housey2k or discord or github<br /> == Firmware modding tools ==Hacking tools made by housey2k: https://drivegithub.com/housey2k/nt98321bg-hack unpack.sh: unpacks firmware.sh into u-boot, bare metal bootloader, and squashfs partitions build-img.googlesh: builds squashfs folder partitions into squashfs files build-img-breaking.comsh: builds everything back into a ready to flash firmware-rebuilt.bin, risks breaking stuff like u-boot log<br /file> == Hardware info ==CPU: ARM Cortex-A9 Arch: ARMv7-A Word size: 32-bit FPU: VFP hard-float (EABIhf) Clock: 1.2GHz (wow, it could do so much but it's closed)<br /d> == Board specific info, worth mentioning ==Memory: DRAM 512MiB SPI NOR: 16MB External analog video PHY: NVP6168C (The SDK docs mentions another one that also works but i couldn't find it rn, but it's there)<br /1hHo7R6QZg4pVAegdWrWi6Kg5OoI4kU3V here]>