Subject: Re: booting from CD
To: None <mcmahill@mtl.mit.edu>
From: Uwe Lienig <Uwe.Lienig@fif.mw.htw-dresden.de>
List: port-pmax
Date: 03/30/2000 12:48:57
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mcmahill@mtl.mit.edu wrote:
>
> on my DECstation 5000/200, I'm trying to boot from a ISO 9660 CD.
>
> >>cnfg
> 7: KN02-AA DEC V5.3c TCF0 ( 96 MB)
> 6: PMAD-AA DEC V5.3a TCF0 (enet: 08-00-2b-1b-c1-24)
> 5: PMAZ-AA DEC V5.3b TCF0 (SCSI = 7)
> 1: PMAD-AA DEC V5.3a TCF0 (enet: 08-00-2b-1a-80-19)
> >>cnfg 5
> 5: PMAZ-AA DEC V5.3b TCF0 (SCSI = 7)
> ---------------------------------------------------
> DEV PID VID REV SCSI DEV
> ===== ================== ========== ====== ========
> rz0 RZ56 (C) DEC DEC 0300 DIR
> rz5 CD-ROM CR-8004A MATSHITA 2.0a CD-ROM
>
> >>boot 5/rz5/netbsd.pmax
> ?IO: 5/rz5/netbsd.pmax (bb rd)
^------------------------------^
AFAIK, you are out of luck. DECstation's no matter of their type won't
boot off a CD-ROM with a CDFS (iso whatever) on it. The problem lies in
the bootprom, which assumes, that the blocksize of the cdrom is 512
bytes (which isn't true for CD-ROMs using CDFS). If anybody knows, how
to get around this problem, let me know ...
>
> After I made the image, I did (on pmax):
>
> installboot -v image.iso bootxx_cd9660
>
> then on an alpha
>
> installboot -vs image.iso bootxx_cd9660
>
> There is a kernel called "netbsd.pmax" in the root partition.
>
> Any thoughts?
>
> -Dan
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