Hi!
Can Freedos run on 286 machine?
Yes, definitely, but there are some limitations:
286 is older than 386, so you cannot use EMM386.
You can look at uwe-sieber.de (home of UMBPCI) to
check if there are other tools to create UMBs on
your 286 anyway. There are also tools like EMM286
to emulate EMS on a 286, but that is very slow.
As far as I remember, our HIMEM and QHIMEM both
do not support 286, so you will have to use a
driver of the FDXMS family, like FDXMS286, to
have XMS and HMA memory on a 286. Having such
memory is very useful on any PC with more than
one megabyte of RAM, because our kernel, with
the DOS=HIGH option, and our FreeCOM command.com,
by default, can use the XMS and HMA instead of
using low DOS memory for many things. If you only
have 640k RAM, you should use the special non-
XMS SWAP version of FreeCOM. That version has a
CALL /S command instead, which lets command.com
hibernate while you run a command, so more RAM
will be free while your command runs. Using the
normal XMS-swap version on a PC without XMS RAM
can easily waste 50-200 kB of DOS RAM.
Of the software in our base category,
www.freedos.org/cgi-bin/freedos-lsm.cgi?q=da=base
most should work on a 286 without problems. Known
exceptions are emm386/himem, the udma driver, and
the harddisk and cdrom caches. Please let me know
if you have problems with other software as well.
And please let me know if FreeDOS works okay on
your 286 computer - and where you found such an
old computer ;-).
Eric
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