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

   AH = 01h subfn 2000h
   DS:DX -> control block

Return: control block updated

See Also: AH=01h/SF=2100h,AH=01h/SF=2B00h

Format of control block:
Offset Size    Description
 00h 12 BYTEs  reserved
 0Ch   WORD    2000h (verb "Attach Physical Unit")
 0Eh  6 BYTEs  00h
 14h   DWORD   (big-endian) return code (see AH=01h/SF=1B00h)
 18h   WORD    00h
 1Ah   BYTE    version
 1Bh   BYTE    release
 1Ch  8 BYTEs  (big-endian) net name
 24h  8 BYTEs  (big-endian) physical unit name
 2Ch  8 BYTEs  00h
 34h   DWORD   pointer to SYSTEM_LOG_EXIT routine, FFFFFFFFh=don't log errors
       (see also AH=01h/SF=2100h)
 38h   DWORD   00h
 3Ch   BYTE    00h RETURN_CONTROL: COMPLETE
       01h RETURN_CONTROL: INCOMPLETE