Did you have the System Enabler in there? 088 v1.1
System Enabler 088
1.0 - First release.
1.0.1 - Required for System 7 Pro 7.1.1 support.
1.1 - Added support for Quadra 660AV.
1.2 - Corrects problems with serial port, involving printing to
LaserWriter 310 Select and crashing in certain instances when
receiving a fax and network traffic is high.
http://www.macgui.com/downloads/?file_id=20402
System Enabler 088
1.0 - First release.
1.0.1 - Required for System 7 Pro 7.1.1 support.
1.1 - Added support for Quadra 660AV.
1.2 - Corrects problems with serial port, involving printing to
LaserWriter 310 Select and crashing in certain instances when
receiving a fax and network traffic is high.
http://www.macgui.com/downloads/?file_id=20402