[syslinux] bad CF disks, etc

Gene Cumm gene.cumm at gmail.com
Thu Jun 9 15:32:05 PDT 2011


On Thu, Jun 9, 2011 at 17:55, Jim Cromie <jim.cromie at gmail.com> wrote:
> hi folks,
>
> I have 3 CF disks, 16M, 512M, 4G, only the 512 is working on my soekris 4801
> other 2 show:
>
> Cannot get disk parameters
> coming from chain.c32
>
> chain.c32 is not to blame, as bios also gives similar error
>
>> boot 80
>
> No Boot device available, enter monitor.
>
> all 3 CFs are readable/writable on my desktop
>
> after fiddling with various fdisk parameters,
> I dd'd the image off the 512, and put it on both the other 2 CFs
> but theyre still unbootable.
>
> Any suggestions on how to save these CFs from the scrap heap ?
> I considered hacking some printfs into chain.c32, but failure of BIOS
> made it seem pointless (though Im prepared to change my mind...)
>
> Any specific param vals to print which might point towards solution ?

Use hdt.c32 to show some info.  The quick approach is just launch hdt
as-is then browse the menu.

Alternatively, the minimalist approach is 'hdt.c32 nomenu' followed by
'show disk' to list the basic parameters as observed from the BIOS.

-- 
-Gene




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