Int 16 Fn E00B  - Ami Bios - Bios-flash Interface - Save Internal Cache S  [b]

   AX = E00Bh
   ES:DI -> buffer for internal cache status (minimum 4Kbytes)

Return: CF clear if successful
       AL = FAh
   CF set on error

Note:  always returns error if the hardware does not contain internal
     cache or this call is made in protected mode

See Also: AX=E000h,AX=E00Ah,AX=E00Ch