Looking for Dell SLIC 2.5 into the below BIOS. - ttps://downloadcenter.intel.com/downloads/eula/29051/BIOS-Update-RYBDWi35-86A-?httpDown=https%3A%2F%2Fdownloadmirror.intel.com%2F29051%2Feng%2FRY0381.bio and - ttps://downloadcenter.intel.com/downloads/eula/28951/BIOS-Update-BECFL357-86A-?httpDown=https%3A%2F%2Fdownloadmirror.intel.com%2F28951%2Feng%2FBE0073.bio NOTE: left out h from https due to inability to post links
See the sticky thread "Intel EFI (Bios) Mod for Slic 2.1" - it works for all Intel NUCs and any SLIC 2.1 - 2.5, etc. Just download and follow the instructions.