[syslinux] Booting an ISO with FreeDOS over PXE with memdisk

Vanush Misha Paturyan misha at cs.nuim.ie
Fri Mar 1 05:02:48 PST 2013


On Fri, 01 Mar 2013 08:38:42 +0100 Per Jessen <per at computer.org> wrote:

> I've got $SUBJ almost working except for the DOS bit where the CD
> needs to be read. 
> 
> My pxe config:
> 
> label Firmware
>     menu label Update IPMI firmware
>     kernel memdisk
>     append keeppxe raw iso  initrd=<isofile>
> 
> The ISO is about 400Mb, and works fine when I boot it from an actual
> CDROM drive.  It also boots fine over PXE, I can see FreeDOS being
> booted up etc. The problem is - once in DOS, there is no access to the
> CD.  The CDROM driver doesn't load due to "no cdrom found".  Does this
> ring a bell with anyone?

Might be completely on a wrong track, but doesn't memdisk emulate hard
drive? In which case you should see the content of your isofile as C:
once FreeDOS boot up, (and CDDRV.SYS won't find any CD devices because
there isn't one to find).

Misha


-- 
Vanush "Misha" Paturyan
Senior Technical Officer
Room 1.37
Computer Science Department
NUI Maynooth
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