I'm not using a pretense into "fooling" my machine into thinking the disc is within it's limits though. I'm just using it "as is" at 127 of 160 GB would that still require a reformat if moved to a G5? Richard > No. It is a limitation in the ASIC used in the disk controller. You > shave a few dollars off the cost if you use mature technology with disk > addressing limitations. > > The controller may be able to use an oversize disk by pretending that > it is within its limits. When you upgrade to a more capable disk > controller, you need to drop that pretence. The way that is done is by > reformatting the drive to recover the full extent. > > Peter