https://thebrewingacademy.com/…6nuc-and-internal-fujinet
ZitatThe 576NUC+ is a small (116.8 mm* 79.8 mm) Atari computer! It uses all original Atari LSI 40pin chips
and, thus, is 100% compatible.
It features a custom OS ROM to allow it to function beautifully.
Standard RAM is 576k