> INT 2F U - DOS 3.2+ - SET DISK INTERRUPT HANDLER
 >         AH = 13h
 >         DS:DX -> interrupt handler disk driver calls on
 > read/write
 >         ES:BX = address to restore INT 13 to on system halt
 I might have overlooked the documentation. Thanks for pointing me this one
 But my main idea was to scan whole INT 2F for a free hole. So, isn't a good
 thing. It is standard if i scan C0h-FFh for a free hole? Or do i need to 
ump
 over some reserved functions?
Thanks so much!
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