[syslinux] Howto create hd image with bootable (Free)DOS system

[H. Peter Anvin]

Dominik Fischer wrote:
> Hello,
> 
> I have to update the BIOS of several hundreds of geographically
> distributed PCs.
> Since we are using PXELINUX for years to install the OS (Linux) on this
> PCs PXELINUX is my
> first choice for doing this job.
> 
> The vendor of this PCs provides a bootable ISO image for the update.
> Because of the size of the
> firmware it is not possible to use a FD image (not even 2.88MB).  But in
> the documentation
> of PXELINUX there's a hint that bootable hd images are also supported by
> PXELINUX.
> 
> I've no success on creating such an image so far. Does anyone have
> successfull created such an
> image and can give me a short howto for this?
> 

The easiest is usually to use a simulator, such as Qemu.

	-hpa