Re: Booting a 660AV?

>>> A Mac DA-15 to VGA adapter is entirely passive?  [...]
>> This might help
>> <https://www.bigmessowires.com/2023/10/04/classic-macintosh-video-signals-demystified-designing-a-mac-to-vga-adapter-with-lm1881/>.
>
> Oof!  There is clearly a lot more going on here than I'd realized.

If you figure out that the machine boots, or at least tries to, you can 
bend a piece of paper clip to make the Mac think it has a monitor. Are you 
getting a chime when you power it on?

Did you mention BlueSCSI? I might be able to make a disk image of a 
bootable Mac HFS partition along with Booter that launches automatically 
and boots a NetBSD kernel in to a clean NetBSD installation. Let me know 
if that'd help.

John