Int 15 Fn D823  - Compaq Eisa System Rom 04/08/93 - ???                    [b]

   AX = D823h
   BL = subfunction??? (00h or 80h)
   BH = ???
   DS:SI -> buffer for ??? (see #0465)

Return: CF clear if successful
       AH = 00h
       DH = 08h
       DL = ???
   CF set on error
       AH = error code
       86h BL neither 00h nor 80h
       87h ???

Format of Compaq EISA buffer:
Offset Size    Description (Table 0465)
 00h   BYTE    ???
 01h   WORD    ???
 03h   BYTE    ???
 04h   WORD    ???
 06h   WORD    ???
   ???