Int 1A Fn 9E  - Pcmcia Socket Services V2.1 - Acknowledge Interrupt        [X]

   AH = 9Eh
   AL = adapter number

Return: CF clear if successful
       AH destroyed
       CX = bitmap representing sockets which have changed status
   CF set on error
       AH = error code (01h) (see #0580)

Note:  this API is supported by recent versions of the AMI BIOS