At 7:54 PM -0800 1/24/08, Sis, Joseph C Jr 1LT NG NG NGB wrote: >I don't think that is the issue. The "official" maximum OS on my >Powerbook 2400c and my PowerMac 6500 are both 9.1. However 9.2.2 >installed via OS9 Helper works great on both of those machines. > >In this case the Duo is not even recognizing the hard drive during >startup. I can hear the HD spin up briefly and then immediately the >blinking disc icon comes up. I suspect the 2400 may require a >unique HD driver, because when I put a new HD in the 2400 it had to >be reformatted by the 2400 in order to work. If you can boot from a CD try doing so then launch drive setup. I think it includes the ability to update the disk driver. This is NON-destructive, it doesn't hurt your data. I know some Apple disk utility did this long ago (Pre-X) but I'm not positive which. > >I could reformat this HD in the 2300, but I am reluctant to do so. >Also, it may not be possible, as when I use Disk Tools on the floppy >- it cannot 'see' the internal 1.13G HD. That however sounds like a bad HD connection or such. -- Clark Martin Redwood City, CA, USA Macintosh / Internet Consulting "I'm a designated driver on the Information Super Highway"