You're very welcome, Ross.
Hi, frobill:
First you have to download and install the AMD chipset driver and reboot. First file listed.
http://support.amd.com/us/gpudownload/windows/Pages/raid_windows.aspx#2
Below is the link to a notebook that has W7 x64 drivers that should also work on your model.
DO NOT USE ANY BIOS OR FIRMWARE DOWNLOADS FROM THIS LINK