I am not aware of an inbuilt (in the System/OS) screensaver program for any version of the OS before X. If, however, you mean a third-party screensaver, in the event that it has variable settings it should be provided with a control panel in Apple::Control Panels.
I am not aware of an inbuilt (in the System/OS) screensaver program for any version of the OS before X. If, however, you mean a third-party screensaver, in the event that it has variable settings it should be provided with a control panel in Apple::Control Panels.