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

See Also: DPMI API
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INT 31H 0604H: Query Page Size