Limited Control Panel Usage in Classic

Some Mac OS 9 control panels configure system components that are already configured by System Preferences in Mac OS X. When Mac OS X detects a redundant control panel during Classic startup, it does not load the control panel. However, redundant control panels are still visible in Classic when you choose Apple > Control Panels. If you try to use the Mac OS 9 version of a redundant control panel, you will see an alert prompting you to perform the task in Mac OS X System Preferences instead. You should also be aware that third-party control panels and extensions might not work properly in Classic. Contact the third-party vendor to ensure compatibility.

MORE INFO

Refer to Knowledge Base document 107135, "Mac OS X 10.2: About Using Mac OS 9 Control Panels in the Classic Environment."

The following Mac OS 9 control panels are not used in Classic (Classic will use the settings you assign in Mac OS X System Preferences instead):

AppleTalk
Control Strip
Date & Time
Energy Saver
File Exchange
Infrared
Location Manager
Memory
Modem
Mouse
Multiple Users
Password Security
PowerBook SCSI Disk Mode
Remote Access
Startup Disk
TCP/IP
Trackpad
Web Sharing

TIP

Use General Controls in Classic to avoid managing two Documents folders. In the General Controls control panel, select "Documents folder." This sets the default save location for Classic applications to the ~/Documents folder.