On Thu, May 3, 2012 at 11:00 PM, FRANCHISSEUR Robert <[log in to unmask]
> wrote:

> -- Le (On) 2011-10-10 +0200 à (at) 05:55:52 Franchisseur Robert écrivit
> (wrote): --
>
> > Hello,
> >
> > the image file diskboot.img for SL5.7 x86_64 is corrupted and doesn't
> > work.   It seems the file is too small as syslinux.cfg is empty.  The
> > i386 version is OK.
> >
>
>       Hello,
>
>       same problem with SL5.8  x86_64
>

Can you work from the boot.iso? (That's what I use, usually.)