Int 2F Fn 1500 U - Cdblitz V2.11 - Enable Cache [c] AX = 1500h CH = 92h (function number) BX = 1234h (magic value for CDBLITZ)Return: CF clearSee Also: AX=1500h/CH=90h,AX=1500h/CH=93h,AX=1500h/CH=94h