INT 31H 0604H: Query Page Size

                                                    Compatibility: DPMI 0.9+ 
 Expects: AX    0604H
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 Returns: CF    NC (clear) if successful; else AX = DPMI Error Code
          BX:CX page size, in bytes
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    Info: Obtains the size, in bytes of a single memory page.

See Also: DPMI API
          INT 2fH: Multiplex Interrupt
          DOS Functions
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