Sorry for the delay in responding.
The adapter worked great. We already had a DSL modem and the PC has an ethernet card already installed. It was for wireless though. No ethernet port on the PC anywhere, therefore nowhere to plug the cable in.
I priced these adapters online and found them as cheap as 9.95 on several sites. I was impatient to get this done thouigh, and paid 29.95 at a local computer hardware retailer. The adapters driver came on a CD in the package and installation was effortless. The PC immediately picked up the modem on reboot and then it was just a matter or reconfiguring the modem. AT&T tech support walked me through that part step by step and she was online 20 minutes after we plugged the adapter in.
Win/win for me that day ;)