I have TEAC cd-w548e.I want UpDate my FirmWare from cd-w552e or OEM Asus.But I have a problem.Flash programms doesn't know my flash type.I use MtkWinFlash,LtnFlash,MtkFlash DOS,AoPen DOS Flash and I have always same problem.What can I do?Can you help me or take me link on TEAC cd-w548e Flasher?