Okay, Dave - here is how you do it without messing around with the nasty yellow CD.
A. On your start service date, and before disconnecting from Comcast, use IE (Firefox won't work) and go here:
https://sbcreg.sbcglobal.net/SBCYahooRegEARWeb/
This is the back door for setting up your account. It will want to download a Yahoo mail control, refuse it, and you will be stuck. HOWEVER, by the time you get that far in the process, your username and password that you chose WILL be activated.
B. Connect the modem DIRECTLY to your computer, restart your computer. Follow the below steps:
1. In your web browser browse to 192.168.0.1 This address will be located on a yellow sticker on the bottom of your modem.
2. The first screen will ask you for your Modem Access Code. This also will be located on the same yellow sticker.
3. Select Advanced from the blue buttons on the left.
4. Click the PPP locations button.
5. The modem may ask your for the Modem Access Code again. If so type it in again and click continue.
6. Select the radio button labeled, "Bridged Mode (PPPoE is not used)"
7. Click Save Changes.
8. A "PPP Location Warning" page will come up. Click "Change PPP Location."
9. A "Restart Needed" page will come up. Click "Restart"
C. Disconnect the modem from the computer and put it into the Internet port on the router. Reconnect your computer to the router and restart the router and computer.
D. Log into your router and change the main setup from "obtain IP address automatically" to "PPPoE" - and enter the full username (user@sbcglobal.net or whatever domain they assigned you) and password. You should be in business. Set up your email account in whatever client you prefer, the servers *should* be pop.sbcglobal.yahoo.com and smtp.sbcglobal.yahoo.com - unless they have changed that recently too. You can log into the web interface for email and account management at
http://sbc.yahoo.com.