Op 10-11-2012 12:11, André Bachmann schreef:

> Well, all of this problems would be much less annoying if there would
> be an image on the FreeDOS site which I can simply dd to an USB drive
> - all of these error prone steps would be unnecessary.

Which emulation or (para)virtualisation product uses/produces harddisk 
images that can directly be 'dd'ed to a physical disk? I've experimented 
a bit with Isohybrid images (CD image with harddisk header) that can be 
written to USB stick, but afterwards Windows doesn't like the stick 
anymore as it wants to format it. Also installing FreeDOS on the same 
stick isn't that much of a success.

USB stick partition layout:
* MBR (not UEFI/EFI's GPT)
* partition 1: active, primary, (unknown / non-DOS) read-only ISO9660
* partition 2: primary, FAT32, writeable.

After writing the FreeDOS CD to partition 1, and booting from the stick, 
the idea is a small bootdisk image is loaded in memory from this CD 
filesystem (DOS boots only from FAT, not ISO9660) after which the rest 
of the 1st partition is accessed. Unfortunately no CD driver exists for 
this kind of scenario.
A workaround is loading a secondary ISO file in memory from this 1st 
partition, allowing FreeDOS to find its files using the ELTORITO.SYS driver.
With the files found, creation and installation to partition 2 is possible

Windows insisting on removable media not being allowed to have 
partitions, let alone using unrecognised filesystems on them, isn't 
helping at all to proceed.

[ 
http://code.google.com/p/nanox-microwindows-nxlib-fltk-for-dos/wiki/XFDOS ] 
uses a bootable harddisk image but no individual harddisk image file is 
available, only a CD which uses harddisk-emulation.

Bernd

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