The first thing you’ll want to do is “flash” or upgrade the router with the firmware from DD-WRT. You can obtain the firmware for the firmware at this link http://www.dd-wrt.com/site/support/router-database . The steps below are what need to be done in order to accomplish this.
Setup your laptop or desktop wired connection for DHCP – Windows XP - add pictures to this section
Begin by opening the Windows XP Control Panel. Click the Start button, then select Control Panel.
Click on the link labelled Network Connections to see a list of your network connections. Double-click on the icon labelled Local Area Connection to configure your network connection. (Note: If you do not see this icon, your Network Interface Card may be improperly installed.)
The following dialog box should appear
Select Internet Protocol (TCP/IP) and click on Properties. The following dialog box should appear:
Select the Obtain an IP address automatically and Obtain DNS server address automatically options. Click on Advanced . The following dialog box should appear:
Ensure that the Default gateways box is empty; otherwise, select each entry and click on the Remove button. Select the DNS tab. The following dialog box should appear:
Remove the check mark beside the Register this connection's addresses in DNS option.
Ensure that the DNS server addresses, in order of use and Append these DNS suffixes (in order) boxes are empty; otherwise, select each entry and click the Remove button.
Select the WINS tab. Ensure that the WINS addresses, in order of use box is empty; otherwise, select each entry and click the Remove button.
Click OK to close the Advanced TCP/IP Settings dialog box.
Click OK again to close the Internet Protocol (TCP/IP) Settings dialog box.
Click Close to close the Local Area Connection Properties dialog box. Windows may copy some files and then ask to restart your computer.
Click Yes to do so.
Now that you have configured your computer for DHCP, take your network cable and plug it into any of the ports labeled 1-4 then plug the power in.
hen All of the lights are steady, open a web browser to the following address: http://192.168.1.1
Refer to the user guide for the default username and password.
Select the DD-WRT Firmware and click Upload.
When this is complete the router will reboot.
You will now need to setup your router as a Client Bridge and install the AutoAP Script. Extensive instructions can be found at the link below. The pages and forums are very helpful and are not detailed here as the information would be redundant.
setup Client Mode: View Instructions
setup AutoAP Script: View Instructions