I know there have been several other threads like this, but none that I have found have answered my question, so here it goes. I have an iBook G3 dual USB, 500 mhz. The original HDD that was in it was a 6gb and is no longer working. I purchased a Seagate 120GB HDD to put in it, as well as a superdrive from Centrix Intl. http://www.centrix-intl.com/details.asp?productid=2764 The drive required for an iBook G3 must be set to Slave, and when I run the Mac OS X install disc in the drive and look at the Disk Utility it shows only the optical drive and says that it is located in the number one location telling me that it is set to master. What can I do?