Int 13 Fn 1C0B  U - Esdi Fixed Disk - Get Adapter Configuration            [d]

   AX = 1C0Bh
   ES:BX -> buffer for Controller Configuration Status Block (see #0193)

Return: CF set on error
   CF clear if successful
   AH = status (see #0166 at AH=01h)

See Also: AX=1C0Ch

Format of ESDI Controller Configuration Status Block:
Offset Size    Description (Table 0193)
 00h   BYTE    E9h
 01h   BYTE    number of words in block (06h)
 02h   WORD    unused (0000h)
 04h   DWORD   controller microcode revision level
 08h  2 WORDs  unused (0000h)