For example, suppose that you want Windows Explorer to automatically open a
folder called Downloads, which is located in the root directory of drive D.
Follow these steps:
1. Right-click the desktop and select New | Shortcut.
2. When the Create Shortcut wizard appears, click the Browse button.
3. Locate the Windows folder, select Explorer.exe, and click OK.
4. Position your cursor at the end of the command line, press [Spacebar],
and type the parameters /e, d:\Downloads.
5. Click Next, give the shortcut a name, and select Finish.
If you want to limit Windows Explorer to a specific folder or subfolder, use
the parameters /e, /root, d:\Downloads.
More information:
http://support.microsoft.com/default.aspx?scid=kb;en-us;307856
HOW TO: Customize the Windows Explorer Views in Windows XP
Start Windows Explorer In The C Drive
In the Explorer property sheet use this path and switches in the target:
C:\windows\explorer.exe /n,/e,c:\