Int 31 Fn FF27  P - Causeway V1.3 - "getmcbsize" - Get Current Mcb Alloca  [E]

   AX = FF27h

Return: ECX = current threshold
Desc:  determine the memory allocation size below which CauseWay will use
     internal MCB chains rather than allocating full 4K pages via DPMI

See Also: AX=FF00h,AX=FF28h