Quote:
Originally Posted by daemonfowl
Is it possible to set a boot passphrase wether the system is wd* of sd* ?
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It is also unclear from your question whether you are asking if the execution path
(booting from wd(4) or sd(4)...) can be changed based on the passphrase provided.
While most BIOS'es today will allow some control over what boot device will allowed, the implementation of password protection at the BIOS level is generally not sophisticated -- either the password provided matches what is stored or it does not.
If you are wanting control over what device or operating system is booted, what you are ultimately searching for is a boot manager, but these are frequently limited to choosing which operating system is selected on the boot hard drive.