>Is installing through serial console possible? I'd be very interested
>about doing this as I have Unisys U6000/15 which has only serial console,
>but is otherwise quite standard EISA 486 machine. The machine has a lot of
>SCSI disk and a 1.2G tapedrive, it would be quite optimal machine for
>NetBSD as all the hardware found in it seems to be supported. I'd need a
>bootloader and a kernel which does not even try to use the PC monitor and
>keyboard. The console serial port address, interrupt and such are like
>/dev/tty00 is on a standard PC system, the machine uses 9600bps, 8N1 to
>display the BIOS messages on boot-up. 

Yes, I've done it.  What you need to do is have another PC that
can build a NetBSD boot floppy with a serial console bootblock.  If
you need such a boot floppy and don't already have a NetBSD machine,
I could be persuaded to make one up :-)

--Ken