INT 31 - DPMI 0.9+ - GET PAGE SIZE AX = 0604h Return: CF clear if successful BX:CX = page size in bytes CF set on error AX = error code (DPMI 1.0+) (see also #03143) 8001h unsupported, 16-bit host BUG: the Borland C++ 3.1 DPMILOAD returns with CF clear but BX and CX unchanged