Appendix A: Troubleshooting Guide44Appendix A: Troubleshooting GuideAppendix A: General Troubleshooting GuideProblem: You can’t get your AudioFire product to install properly under Mac OS8, OS 9, or OS X (10.3.8 or lower).Solution: There is no driver support for AudioFire8 or AudioFire12 under Mac OS8 or 9. There is only driver support for Mac OS X (10.3.9 or later).Problem: You’ve installed your AudioFire product, but it isn’t listed in the SystemPreferences or the Audio MIDI Setup application.Solution: Your installation of OS X may be out of date. Try running SoftwareUpdate; you’ll find it in the System Preferences. You need version 10.3.9 or later.Problem: You can’t use more than one Echo product at a time with your audiosoftware.Solution: This is a limitation of your audio software. Currently, Apple’sCoreAudio spec does allow multiple hardware devices to be used simultaneouslyby an audio software program, but most audio software programs currently do notsupport this feature.Problem: When you connect a bus powered FireWire device to your AudioFireproduct it does not receive power.Solution: Your AudioFire product does not pass power from the computer on itsFireWire connector. Use a FireWire device with an external power adapter.