Damon McMahon wrote:
quoted text
> This all makes sense now, and you are indeed correct.  The garbage
> input is being sent from my console device to the OpenBSD machine when
> the console device boots (booting Windows 2K in this case). The reason
> for the 1 in 25 or so frequency is because this event only occurs when
> both boxes are booting at the same time.

Try adding /noserialmice to the Win2k boot.ini; the Windows kernel tries 
to detect a serial mouse during the boot process, which can confuse some 
devices (such as APC serial UPSs or OpenBSD boot consoles).

http://support.microsoft.com/kb/131976
http://support.microsoft.com/kb/170817