Re: OT: Compact flash working on PC but not on Camera
- From: Rob Morley <nospam@xxxxxxxxxxxx>
- Date: Fri, 21 Oct 2005 20:44:14 +0100
In article <djbbcq$31j$1@xxxxxxxxxxxxxxxxxxxxx>, nospam@xxxxxxxxxxxxxxx
says...
<snip>
> I have now tried formatting from DOS within Windows XP, whilst the format
> went OK, it did not resolve the problem.
The command prompt in Windows XP isn't DOS - try booting from a
Windows98 boot floppy.
>
> I also though of using Norton Ghost to clone my working 32Mb card onto the
> 512Mb card, and then when accepted in the camera, format again to get back
> to 512Mb with the camera. Unfortunately, Ghost does not see the card reader!
That would have been good if it worked.
>
> So, I have now downloaded a Linux distro, Knoppix V4.02. I was impressed
> that it immediately located the card reader. I found my way to the Linux
> shell console. Entered the commands given by yourself and these were
> accepted. The system then accessed the CD as if something was going to
> happen and then......nothing. System frozen and clock stopped at 7:01pm.
>
> Perhaps someone can give me the exact commands to enter.
> The compact flash drive shows as: sdb1 on the Linux desktop.
>
/dev/sdb1 is the first partition on the CF, rather than the raw device
which will be /dev/sdb. When you did the dd it wrote off the end of the
CF memory (because it didn't start at the beginning) and over something
else. The exact count you need may not be the one that I gave anyway -
1024 x 1024 x 512 may not be the exact size of your CF memory. It may
be that you only need to zero the first kilobyte or so to wipe the
partition table, so try something like
dd if=/dev/zero of=/dev/cf bs=512 count=2
and work up from there.
.
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