Int 15 Fn 53B0  - Intel System Management Bus - Request Abort              [X]

   AX = 53B0h
   BH = 12h
   BL = protocol (see #0413)
   CH = device address
   CL = device command

Return: CF clear if successful
       AH = 00h (SMBus OK)
   CF set if error
       AH = error code (05h,13h,15h,16h,86h) (see #0410)
Desc:  stop the currently pending SMBus request; usually used to terminate
     a request after an SMI Detected error