INT 68 - APPC/PCIBM PC - NETWORK DEVICE CONTROL - DETACH LOGICAL UNIT AH = 01h subfn 2200h DS:DX -> control block (see #03677) Return: control block updated SeeAlso: AH=01h/SF=2000h,AH=01h/SF=2100h,AH=01h/SF=2700h Format of APPC/PCIBM PC "Detach Logical Unit" control block: Offset Size Description (Table 03677) 00h 12 BYTEs reserved 0Ch WORD 2200h (verb "Detach Logical 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 8 BYTEs (big-endian) logical unit ID 20h BYTE 00h