Originally Posted by nmenaker
Could it be the A side of the IBM A/b?G card? Is there a way to shut off this side of the card to test this?
If your card is ABG and the access point is ABG, then the card will always choose A. So sure, you can turn off A on the access point or the card. It shouldn't be difficult.
However, there is a ton of free spectrum in 5GHz and you could also set your access point to avoid 5.8GHz for A.