Re: Need Dos 3.3

Matt,

The Milltronics cnc uses DOS 3.3 as its operating system. I am adding
a hard drive to the system and I want to be sure the hd format
is compatible with DOS 3.3. Do you think DOS 5.0 format will work?
There will not be any system files on the hd - just storage. The system
boots from DOS in rom.

Bob


At 09:31 PM 12/14/99 -0500, you wrote:

>From: "Matt Shaver" <mshaver@...>
>
>> From: Bob Bachman <bobach@...>
>>
>> I know it sounds strange, but I need a copy of Dos 3.3.
>> Anyone know a site where I might find it to download?
>> I threw out my last copy of 3.3 about a year ago. That'll
>> teach me to threw ANYTHING away.
>
>If you have a later version of dos and some program you're trying to run dies
>with "Incorrect DOS Version", you can sometimes fool it into running by using
>the SETVER program to change the version # that is returned when your program
>calls the DOS function got "Get DOS Version". I think the official way to do
>this involves an INT21 call with a function code in the A register. Another
>possibility is to disassemble the program enough to find where this occurs
>and patch it to reflect the version of DOS you have. This is really a bug
>since later versions of DOS retain good backward compatibility and the
>programmer should really have said:
>
>IF DOS_VERSION > OR = 3.3 THEN CONTINUE
>
>rather than
>
>IF DOS_VERSION = 3.3 THEN CONTINUE
>
>If you need the exact function call details let me know. Also, SETVER only
>works if the program uses the "official" method of determining the DOS
>version.
>
>Matt
>
>>Welcome to CAD_CAM_EDM_DRO@...,an unmoderated list for the

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