Int 68 Fn 01  - Appc/pc - Network Device Control - Detach Physical Unit    [N]

   AH = 01h subfn 2700h
   DS:DX -> control block (see #3349)

Return: control block updated

See Also: AH=01h/SF=2000h,AH=01h/SF=2100h,AH=01h/SF=2200h

Format of APPC/PC "Detach Physical Unit" control block:
Offset Size    Description (Table 3349)
 00h 12 BYTEs  reserved
 0Ch   WORD    2700h (verb "Detach Physical Unit")
 0Eh  6 BYTEs  00h
 14h   DWORD   (big-endian) return code (see #3339)
 18h   BYTE    00h  type: hard
       01h  type: soft