US Robotics has released new drivers (v. 5.0j) for their USR805416 802.11g Wireless Turbo PCI Adapter.

What's New:
1) Improved connection reliability due to random losses in wireless signal strength.
2) Enhanced support for Hyper-Threading and dual processor computers.
3) Enhanced stability on certain systems that experience blue screen (NMI or parity) errors on shutdown.