On Thu, Jan 2, 2025, at 13:36, Ian Pilcher wrote: > Have you tried good old screen? I was never able to get minicom to work > all that well for Linux serial consoles, but screen works great. For > example, I connect to my headless firewall with: I haven't tried 'screen', but I'm fairly certain that the issue is not caused by Minicom because the U-Boot menu displays highlighting properly; the problem occurs after I select a 'boot' option from that menu which then launches sd-boot from the ESP.