The following Mac OS technologies are no longer supported in Mac OS 9.0:
- LaserWriter 8f driver - for fax cards only (LaserWriter 16/600, LaserWriter Select 360, LaserWriter Pro 810)
- Apple Telecom - for GeoPort modems (includes GeoPort Telecom Adapters and Apple Express Modem software)
- QuickDraw GX - no longer installed or available