Hello Hollowone PL,
With this I have few starter question as a user:
- DOS16/m is a 16bit protected mode extender. Does it mean that FreeDOS
runs in 16bit protected mode from the command line or perhaps some driver
is interfering or rather the iMac I use has hardware that may cause some
obvious incompatibilities.
Can you give us more details about the issue(s) you encountered? For
example, which particular tools were you trying to use? What were the
error messages? Was FreeDOS running in "really" Real Mode, or in
Virtual 8086 mode?
(Meanwhile, my wild guess is that the errors were because the iMac is
not quite compatible with the IBM PC at the lower levels --- especially
the layout of physical memory and I/O ports. But maybe I am wrong.)
And, I would very much like to know more about how you got FreeDOS
working on a UEFI machine. I have lately been trying to find
information on this. :-)
Hello Random Liegh, hello Jose Senna,
I'm not sure what DOS16/m is -it sounds like a DPMI server? If so, then it
provides 32-bit addressing >to dos programs.
AFA I remember, DOS/16M is a DOS extender to allow use of DOS in protected
mode.
It predates DPMI specification and is geared towards the 16-bit protected mode
available in the '286.
I recall there was the DOS/16M DOS extender --- for the 286's 16-bit
protected mode --- and also DOS/4G --- for the 386's 32-bit protected
mode --- by Rational Software.
(16M would refer to the 24-bit physical address space supported by the 286.)
For some reason, Open Watcom still has some vestigial support for
producing DOS/16M executables, and the OW source code provides some
information on the format of these things.
Thank you!
--
https://github.com/tkchia
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