Thanks (to both) for the answer,

Aitor


On Mon, 13 Mar 2023 at 22:45, Ralf Quint <freedos...@gmail.com> wrote:

> On 3/12/2023 5:56 PM, Aitor Santamaría wrote:
> > Hello,
> >
> > A quick question, if I query device information on CD-ROM (int 21h,
> > AX=4409h), will I get that a CD-ROM drive is remote?  (bit 12 = 1).
> >
> > I am getting this under XP's ntvdm, and it sounds as a correct thing
> > (the filesystem is not FAT), but I would like to check in case someone
> > knows if this is correct).
> >
> Yes, as that call actually checks for the presence of the redirector,
> not specifically for a CD-ROM drive, for that, you would have to test
> for the existence of MSCDEX (or equivalent) via INT 2Fh, 150xh...
>
>
> Ralf
>
>
>
>
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