Int 15 Fn D820  - Compaq Lte Lite - Get ???                                [b]

   AX = D820h
   DS:SI -> 17-byte buffer for ???

Return: DS:SI buffer filled (first byte is length of remaining data, unless
     it is greater than 10h, in which case the second byte is 00h and no
     other data is returned)

Note:  this function is also supported by Compaq's EISA System ROM, Contura
     486/486c/486cx and recent DESKPRO/i ROMs

See Also: AX=D821h