This site is being deprecated.
Please see the official X‑Plane Support page for help.
I assume these computers are networked together to show the same flight. If that is true, please file a bug report here. We are tracking an issue related to jerky external visuals on networked computers.
X-Plane does not recognize overclocking. For more information you might find this question/response interesting.
This site is no longer being actively maintained.