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   OS2DOS      OS/2: DOS and Windows applications      237 messages   

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   Message 196 of 237   
   Mike Luther to All   
   FREEDOS on OS/2?   
   28 Dec 14 11:09:50   
   
   Howdy oldies here!   
      
   Because of serious problems on the top end of memory for OS/2 'latest' when   
   used with the later Lenovo laptops and OS/2 itself on many of the newer   
   desktop motherboards with the 'later' video cards or on-board video support,   
   the tiny top of the upper memory availability for DOS operations on OS/2 for   
   most of this 'latest' hardware cannot shuffle the required upper memory into a   
   'place' in memory where the entire DOS useable memory can provide the required   
   top chunk of DOS memory to use for up to, say, 675K worth of plain DOS usable   
   memory.   
      
   For a long time, Viet Kannegeiser in Denmark worked beautifully and spent a   
   lot of time personally putting forth a patch for this titled PMVDMCC which did   
   a wonderful job of letting OS/2 substitute a 'different' little 2K diddle of   
   other memory to take the place of the original IBM snippet in plain OS/2 to   
   patch the plain operating system gateway to let 'standard' DOS use the extra   
   upper memory that enables serious DOS operations that need it to keep running   
   on such things as the IBM Lenovo ThinkPad T40,T42, R51 and so on.  By using   
   that little 2K stack of memory at the top of the 640K DOS memory part of the   
   'standard' DOS memory for whatever.   
      
   I've had a really nice relationship with Viet as part of his very nice   
   contributions to us for a number of years early on into this.  But as the   
   horrible political mess between what I think most of us folks that want to   
   carry the whole human tribe upward to the highest level on Earth can be and   
   are not happy with whatever 'bad' human political 'folks' seem to want to   
   'profit' from, it appears to me that Viet gave up on this over sadness about   
   the 'bad' viewpoints of some folks.  Not me; much bigger than this.   
      
   To 'solve' this whole issue so I can continue to carry things that absolutely   
   work fine for DOS all the way from the 1970's up completely through today on   
   OS/2 even latest and what will even be later, I experiemented with DOSBOX on   
   OS/2 so I could get my own codework which also uses other very complicated   
   massive database work that absolutely needs up to even this upper little level   
   of memory.  It works fine for my codework, but it also has little tiny needs   
   for some memory up there that DOSBOX won't deliver nor seems to be available   
   for some other folks work.   
      
   When I just recently heard about FREEDOS, I went to GOOGLE and took a look at   
   their site.  It very intensly cites their work with plain DOS systems,Windows   
   system work and Linux but does not mention OS/2.  Sure, I could attempt to   
   open up this subject with 'them', but before I try going down that trail, is   
   there anyone else here that has done any research on the use of FREEDOS with   
   OS/2?   
      
   Thanks!   
      
   Mike as NC117 at 1:117/100 here in College Station, Texas ..   
      
      
   ---   
    * Origin: BV HUB CLL(979)696-3600 (1:117/100)   

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