Is this some kind of limited edition? Even Philips doesn't list it!

Support Information:
Device Type: CD / DVD
Manufacturer: Philips Consumer Electronics
Model: DVD 8421
Interface: IDE
Operating System: Other
Age of Device: < 1 year old
FCCID:

Type of drive: dvd-r/cd-rw (dvd burner, dvd reader, &amp; cd burner combo)
Location: internal
What recording software are you using?: Nero/version

Find it on DriverGuide (http://members.driverguide.com/index.php?action=srch&sm=b&aax=&qa6=812&qa5=3&qa7=0&dp=1&qm0=DVD+8421&jmd=and&fzz=d) | Find it with Google (http://www.google.com/search?hl=en&lr=&ie=UTF-8&oe=UTF-8&q=Philips+Consumer+Electronics+CD+%2F+DVD++DVD+842 1+Other+) | Research manufacturer Philips Consumer Electronics (http://members.driverguide.com/index.php?action=getinfo&companyid=812)

What's the problem? and what "other" os do you have besides what we have listed in the request form?