Boot issue from cdrom on sparc 4m

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Author: Kevin Brown
Date:  
Subject: Boot issue from cdrom on sparc 4m
Robert Wultsch wrote:

> My saga continues...
>
> I burned the iso of Debian disk one for sparc, stuck it in the cdrom,
> got the ok prompt and typed:
> "boot cdrom"
> to which it returned
> "Boot device: /iommu/sbus/espdma@f,400000/esp@f,800000/sd@6,0:d File and
> args:
>
> Can't open boot device"
>
> I am not sure where to go from here. Does anyone know if I need to use a
> boot floppy or what?
>
> Thanks
>
> PS this is a sun sparcstation 20


Might I suggest you take a look at the Debian installation instructions:
http://www.debian.org/releases/stable/sparc/ch-rescue-boot.en.html#s-install-cd

Contains the following note that might pertain to your system:
Note that some problems have been reported on Sun4m (e.g., Sparc 10s and Sparc
20s) systems booting from CD-ROM.