Sure Gary, Now make sure you are running a UPS on that Mac b4 you do this. If not and the power fails you will be short one previously fine DVD-R drive. Chris Breen's Article on that you can do it: < http://www.macworld.com/weblogs/mac911/2005/05/duallayerdawn/ index.php > Jon Austin's article on exactly how with all the download links: <http://xlr8yourmac.com/tips/FlashingDVR-117guide.html> k On May 28, 2005, at 4:00 PM, Gary Graf wrote: > On 29/05/2005, at 4:18 AM, Kunga wrote: > > >> Last year it was the 117 and 108 and in 2003 it was the 107. 117 >> by the way was Apple's number for early 108's which can BOTH be >> firmware upgraded to dual layer 109's for FREE. >> > May I ask where? I checked both the Apple and Pioneer sites without > any success. > > Gary Graf