Int 13 Fn 1B  - Esdi Fixed Disk - Get Manufacturing Header                 [d]

   AH = 1Bh
   AL = number of sectors to read
   DL = drive
   ES:BX -> buffer for manufacturing header (defect list)

Return: CF set on error
   CF clear if successful
   AH = status

Note:  manufacturing header format (Defect Map Record format) can be found
     in IBM 70MB, 115MB Fixed Disk Drives Technical Reference
   the first sector read contains the manufacturing header with the number
     of defect entries and the beginning of the defect map; the remaining
     sectors contain the remainder of the defect map