http://support.necam.com/optical/do.../flashfirmware/
提到
Technical support
Beginning April 1st, 2007 the optical drive business has been transferred to Sony NEC Optiarc America. Please contact Sony NEC Optiarc for support on Sony NEC Optiarc branded drives (AD-5170, AD-7170, AD-5540) via email.

但這邊沒新軔體可下載...
http://www.sonynec-optiarc.com/