INT 68 - APPC/PCIBM PC - NETWORK DEVICE CONTROL - DETACH PHYSICAL UNIT AH = 01h subfn 2700h DS:DX -> control block (see #03678) Return: control block updated SeeAlso: AH=01h/SF=2000h,AH=01h/SF=2100h,AH=01h/SF=2200h Format of APPC/PCIBM PC "Detach Physical Unit" control block: Offset Size Description (Table 03678) 00h 12 BYTEs reserved 0Ch WORD 2700h (verb "Detach Physical Unit") 0Eh 6 BYTEs 00h 14h DWORDDoubleword; four bytes. Commonly used to hold a 32-bit segment:offset or selector:offset address. (big-endian) return code (see #03668) 18h BYTE 00h type: hard 01h type: soft