Michael Lorenz <ml@persius.rz.uni-potsdam.de>  wrote:
 > > Almost certainly absolutely nothing.  From my reading, the 4xx machines
 > > come up looking like an Apollo and need some fairly different massaging
 > > to get them going.  Just for starters, there's quite a lot of
 > > very different hardware on the board.

some 4xx machines come up looking like HP's. There's no difficult massaging
you have to do. It's a few keystrokes to switch between apollo mode and hp
mode.

 > OK, I could get a 425t BootROM image...
 > that should be identical to the 433 one ?

I'm using a 't' bootrom in an 's' fwiw.