6.1 upgrade on AS200

[Larry Snyder <larrys lexis-nexis com>]

Happy New Year, all, and my apologies if this has been discussed
already.  This is just plain strange.

I snagged the iso image from metalab and had no trouble verifying
or burning it.  I dd'd the generic & ramdisk floppy images to a
pair of floppies.

Now comes the fun:  On my recently retired AS200 (SRM) I booted from
the floppy with: b dva0 -fi vmlinux.gz -fl "root=/dev/fd0 load_ramdisk=1
prompt_ramdisk=1"  which went normally, booted the install kernel and
asked for the ramdisk image, etc.  I gave it language & kbd selections
that it seemed happy with, along with 'local cd' which it found.
Then I told it 'upgrade'.  At this point the script tells me it can't
find any linux partitions.  A look at the log vc says it was insmod'ing
raid modules???

Do we have yet another situation where the 'stock' ramdisk is broken?

This worked the same for me using both the text-based and X-based
installs, and a friend verified it on his box as well.  Mine has
BSD label, his does not...

Can someone provide /dev/clue???
TIA,
-ls-