[rescue] SunPCI II Windows install hangs?

[chris t]

Hi Rescue,

I've got a couple of SunPCI II cards, and on both of them, Windows gets 
to the second-stage install, and then hangs at boot.  (So it gets 
through copying files from the CDROM, but never gets through the reboot 
after that.)  This happens on both NT4 and 2000.  DOS boots fine (as 
installed through the Sun software.)

Does anyone have any tips, or a known-working OS image that I can try? 
I'm also curious as to how to boot an unsupported operating system -- 
like, just the ability to run memtest86 would be nice.