<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><DIV>Dan,</DIV><DIV><BR class="khtml-block-placeholder"></DIV>As a good rule of thumb don't use Installer disks for older computers on newer ones... So yes you can use the Disks form the ibook on the MDD, but I would not use the MDD disks on the ibook, because it will not contain the drivers it needed to run the newer ibook since it did not exist when the MDD was released.. <DIV><BR><DIV> <DIV>Daniel J. Brieck Jr.</DIV><DIV><BR class="khtml-block-placeholder"></DIV></DIV><BR><DIV><DIV>On Dec 15, 2005, at 3:51 PM, Dan A Currie wrote:</DIV><BR class="Apple-interchange-newline"><BLOCKQUOTE type="cite"> <FONT face="Helvetica, Arial, sans-serif">Hello,<BR> <BR> I am driving an MDD 1GHz dualie with 1 GB RAM and an 80 and 120 GB HDs running Tiger. I just bought my wife a 12" 1.33GHz iBook running Tiger. Will the OS discs from my dualie work on the iBook and vice versa?<BR> <BR> Thanks All,<BR> <BR> Dan</FONT></BLOCKQUOTE></DIV></DIV></BODY></HTML>