(12) If you have an existing Scrapbook file in your System Folder when you install System 7, the Installer will not replace it with the new file. The new Scrapbook file has some neat stuff, so you will want to combine the two using a utility such as SmartScrap if you need to keep the contents of the old one. If you have a custom desktop pattern, the Installer will not overwrite your desktop patterns with the standard 7.0 patterns for the same reason.
(13) Under System 7.0 the boot blocks always mark the startup application as the Finder, and the Mac expects that all startup items will be in the Startup Items folder in the System Folder. To make a disk boot up another application (like a special installer program or Disinfectant) instead of the Finder, boot with System 6, select the program you want to startup, and choose Set Startup from the Special menu.
(14) The Printing Installer Script only installs LaserWriter and Personal LaserWriter SC software. Use the full installer script for other printers.