To obtain the MAC Address from a Nintendo DS, you must first insert a Nintendo Wi-Fi Connection compatible game and access the WFC Setup Utility. Please note that the exact steps to access the setup utility varies by game. However, the setup utility is a standard menu, included with all WFC-compatible games.

After accessing the utility, tap "Options," then "System Information."

The MAC Address and Nintendo WFC ID will be listed on the screen. Unless the game player has successfully connected with Nintendo Wi-Fi Connection, the WFC ID will be blank.

To Locate the MAC address of wired and wireless cards on a Wii:

1. Click on the Wii button in the bottom left of the main channel screen
2. Click on Wii Settings
3. Go to "Internet" on page 2
4. Click on "Console Information"

To find the MAC address of your Sony PlayStation 3 you will need the Network Adaptor connected to the PS. From the PS3 main menu screen, follow these steps:

1. Navigate to the Settings icon (located on the far left).
2. Press the "X" button.
3. Navigate up/down until you see the System Settings icon.
4. Press the "X" button.
5. Scroll up/down until you see System Information.
6. Press the "X" button.

To find the MAC address of your PlayStation Portable (PSP):

1. Navigate to "System Settings";
2. Then navigate to "System Information," which is where the MAC address is listed.

To locate the MAC address of your Xbox 360 console:

1. Go to the System area of the Xbox Dashboard and select Network Settings.
2. Select Edit Settings.
3. From Additional Settings, select Advanced Settings.
4. Select Wireless Information and MAC Address will be displayed on the screen.