Int 1A Fn B403  - Intel Plug-and-play Auto-configuration - Store Escd Tab  [X]

   AX = B403h
   DS:SI -> configuration table (see #0940)

Return: CF clear if successful
       AX = 0000h
   CF set on error
       AX = error code (0055h) (see #0939)

Note:  sets the configuration table's checksum field, then copies the table
     into nonvolatile storage (i.e. FlashROM)

See Also: AX=B400h,AX=B402h