http://sidneys77crlfslcr7zmj3msmxchgnxhrxlp3p3kbaswo7twchjnicid.onion/retrocomputing/2024/10/04/booting-sun-sparc-servers.html
I plugged the Sun Ultra 1 into a powered on Raspberry Pi 3b
and it stopped complaining. Eventually you’ll be brought to a Unix login, assuming the machine is running Solaris. If you know the password,
great; if not, things get tricky 2 . Once logged in, you can set the date and time (for as long as the machine is
powered on, anyways) at the root# prompt with date 1004102024 (in format mmddHHMMYY ).