Int 2F Fn 48C2  - PCed/attrib - Installation Check                         [-]

   AX = 48C2h
   BL = 00h

Return: AX = 0000h if installed
       BX = ATTRIB resident segment
Program: ATTRIB is a resident file attribute changer included as part of the
     PCED package

Note:  chains if BL <> 00h on entry

See Also: AX=48C0h,AX=48C1h,AX=48C3h