Step 3: Format the volume created with the card using Disk Utility or the diskutil command-line tool Step 4: Install Mac OS X Server on a new volume See Chapter 5, “Updating or Installing Software on Xserve G5 Systems,” in the Xserve G5 User’s Guide for instructions.2) Install new Ethernet controller kext method Now goto System Preferences-> Network and you should see Ethernet entry. Repeat repair permissions and rebuild cache then reboot. Use Kext Wizard to Reinstall IONetworkingFamili.kext, do repair permissions rebuild cache and reboot.