Elegoo saturn original motherboard with chitu systems support 8.9 4K monochrome LCD

ELEGOO Saturn mainboard. If you have a UI error after installation, please update this   UI firmware   to fix it. How to update the firmware/UI/Parameter tutorial,   click here

Source: https://www.chitusystems.com/products/elegoo-saturn-original-mother-with-chitu-systems-support-8-9-4k-monochrome-lcd