Bernd,

 >>      BTW, as I already reports, FreeDOS currently doesn't allows to set less
 >> than 20 buffers, unless you use negative value.


BB> what does negative value mean?
They are a fairly useless option, intended to compare
MSDOS with 30 BUFFERS= with FreeDOS with *exactly* 30 BUFFERS=,
to compare cache efficiency,...

in all pratical situations, it make most sense to have

   DOS=HIGH,UMB
   BUFFERS=20

and all unused HMA is filled up with more BUFFERS (currently ~22), but
could be reused by (not existing) HMA-TSR program.

the difference between BUFFERS=20 and BUFFERS=30 is that more HMA is
marked as *used* and no longer available to some theoretical other HMA
allocating program.

tom




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