EM-55 Driver e aggiornamenti EM-55 System Update Version 1.04 (MAC) This is the Macintosh version of the Update files for the EM-55. Please refer to the readme document enclosed to perform the update. EM-55 System Update Version 1.04 (PC) This is the PC version of the Update files for the EM-55. Please refer to the readme document enclosed to perform the update.