i send in the PR (kern/10110) for this.

At 09:41 AM 5/13/00 -0700, Jason R Thorpe wrote:
>On Sat, May 13, 2000 at 10:58:37AM -0500, Mocha wrote:
>
>  > with help from "R. C. Dowdeswell" <elric@imrryr.org>
>  > we found that GENERIC kernel file needs to have all references to 'tga'
>  > commented out. i think there were 2 references. that was needed to get my
>  > alpha w/ a PowerStorm 4D20 to boot with the new kernel. otherwise the
>  > kernel would stop
>  >
>  > Entering netbsd at...
>  > panic: tga_console(11,0): unknown board config...
>  >
>  > the PowerStorm 4D20 had the VGAEN jumber enabled.
>
>Roland -- are you going to fix this bug?  We should file a PR on it
>(critical/high) to remind us to make sure it's fixed before 1.5.
>
>--
>         -- Jason R. Thorpe <thorpej@zembu.com>