Originally Posted by
AutoCAD Help
Type: Integer
Saved in: Registry
Initial value: 1
Controls the default path displayed in standard file selection dialog boxes.
0 - Restores the behavior of AutoCAD 2000 and previous releases. When you start the program by double-clicking a shortcut icon, if a Start In path is specified in the icon properties, that path is used as the default for all standard file selection dialog boxes.
1 - Uses standard Microsoft behavior. When you first start the program after installation, the default path in each standard file selection dialog box is My Documents. When you open or save a file to another folder, that folder is remembered for future file selection. The Start In folder specified for the shortcut icon is not used)