Windows memory limit for all microsoft OS

http://msdn.microsoft.com/en-us/library/aa366778.aspx

Remove old hardware after p2v

From: http://www.clarksys.com/blog/2008/05/15/remove_hidden_devices_from_win/

To get rid of that unwanted driver, device, or service:

1. Open the “Start” menu and choose “Run”
2. Type in “cmd” (without the quotes) and click “ok”.
3. At the cmd prompt, type in “set devmgr_show_nonpresent_devices=1” (without the quotes) and press enter.
4. On the next cmd prompt line, type in “devmgmt.msc” (without the quotes) and press enter.
5. In the Device Manager Console, from the “View” menu, select “Show Hidden Devices”.
6. Uninstall the offending Devices.