• Click on Apple Menu -> Internet Access -> Internet Setup Assistant
  
  
• At the first window, click the Yes button.

• When asked Do you already have an Internet account, click the Yes button.

• At the information screen, click the right arrow.

• In the What would you like to name this configuration box, type Realtime.
  
  
• Put a dot next to Modem.
  
  
• Click the right arrow.

• In the Which modem are you using drop down list, select iMac Internal 56k.
  
  
• In the Which port is the modem connected to drop down list, select Internal Modem
  
  
• Put a dot next to Tone.
  
  
• Click the right arrow.

• In the Phone number box, type your local dialup number.
  (found here)
  
  
• In the User ID box, type your realtime.net email address
  
  
• In the Password box, type your password.
  
  
• Click the right arrow.

• Regarding PPP Connect Scripts, put a dot next to No
  
  
• Click the right arrow.

• Regarding IP Address, put a dot next to No
  
  
• Click the right arrow.

• In the DNS Address box, type 206.66.10.94
  
  
• On the next line, type 206.138.224.150
  
  
• In the Domain Name box, type realtime.net
  
  
• Click the right arrow.

• In the Email address box, type your full email address.
  
  
• In the Email password box, type your password.
  
  
• Click the right arrow.

• In the Email account box, type username@pop3.realtime.net
  (where username is replaced by your actual username)
  
  
• In the Email host box, type smtp.realtime.net
  
  
• Click the right arrow.

• In the NNTP host box, type news.realtime.net
  
  
• Click the right arrow

• Regarding Proxy Servers, put a dot next to No
  
  
• Click the right arrow

• At the final window, uncheck the Connect when finished box
  
  
• Click the Go Ahead button

You should now be setup to connect to the Internet!