Autoexec.bat and config.sys would likely be useful here, especially to
understand the value of LASTDRIVE and to know if any other disk drive
drivers are installed (CDROM, SATA, USB, Zip, etc.).

Ideally, everyone matches MS-DOS, so knowing what functest returns there
might help.

On Sunday, September 14, 2014, Anil Nair <anilcol...@gmail.com> wrote:

> Hello All,
>
> We were working on PDOS development particularly interrupt number Int
> 21/AH=0Eh(Select Default Drive). While testing the PDOS function i came
> across a particular behaviour in FreeDOS, according to the description
> given in the documentation "http://www.ctyme.com/intr/rb-2570.htm";
>
> "Return: AL = number of potentially valid drive letters".
>
> When tested using a function PDOS returns,
>
> Booting from Hard Disk...
> welcome to PDOS-16
> welcome to pcomm
>
> C:\>functest
>
> The return value is x 4 x
>
> C:\>
>
> While testing the same behaviour in FreeDOS,
>
> C:\DEVEL\PDOS\SRC>functest
>
> The return value is x 5 x
>
> C:\DEVEL\PDOS\SRC>
>
> Is this expected? Please let me know if anybody needs more details.
>
> --
> Regards,
> Anil Nair
>
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