Int 13 Fn 0E  - Hard Disk - Read Sector Buffer (xt Only)                   [B]

   AH = 0Eh
   DL = drive number (80h = first, 81h = second hard disk)
   ES:BX -> buffer

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

Notes: transfers controller's sector buffer.  No data is read from the drive
   used for diagnostics only on PS/2 systems

See Also: AH=0Ah