Marc Gutschner wrote:

> Hi!
>
> Although I would prerfer to run NetBSD on all my DS5k, I currently have
> a pair of DS5k/125 in my "zoo" that have these big and _very_ hairy
> chested (:-)) PMAG-D's in them - one of them is fitted with all possible
> options. Since this board is not supported, I'm "forced" to install
> Ultrix... That's where the trouble starts: I've tried several CD-ROM
> drives (Pioneer, Plextor and a Yamaha CD-R) but nothing seems to work.
> The Ultrix Kernel boots and the install process comes up with the BASIC
> or ADVANCED question. Whatever I choose, it then starts scanning for
> available HDs and bombs out with a kernel panic, because it "thinks" the
> CD-ROM is "normal" hard disk :( Is it absolutely necessary to use a "DEC
> blessed" CD-ROM drive ? Or is there some "black magic" that I need to
> apply to continue the installation ?
>
> Sorry if this is "off-topic" - I just want to see what this PMAG-D's are
> capable of before ripping them out and storing them in a safe place :-)
>
> MMMTIA,
> Marc

I don't know about CD-roms that DEC used, but the ones I've seen on Sun boxes
all
use a 512 byte sector size. Most current CD-ROMs (afaict) default to 2048
sectors. A drive
that you can set the sector size might help.....

Stan