Install DD-WRT on Linksys EA8500

Set the NIC to static IP of 192.168.1.1

Connect the ethernet cable to any port

Connect USB/TTL cable as shown:

All you need to install dd-wrt on your EA8500 can be found in this .zip file (22.6 MB) ‘PuTTy-TFTP.zip’.

zip file includes:

putty.exe

tftpd32.exe

EA8500-factory-to-ddwrt.img

EUPL-EN.pdf

tftpd32.chm

  • tftpd32.ini

Unzip and place the PuTTy-TFTP folder. Leave all files intact.

In the PuTTy-TFTP directory open putty.exe and setup as pic shows.
(make sure your COM number matches what you seen in device management)


You can name & save these settings if you want

Click the Open button and you should see

Click on the power button of the EA8500 and within approx 1 second hit the ENTER key.

Within few seconds you should get (IPQ) # prompt

Just leave it there while we setup the TFTP server.

In the PuTTy-TFTP directory open tftpd32.exe and setup as pics show –
You need to run as administrator so right click the app to open – run as admin.

Just leave it there while we setup the TFTP server.

In the PuTTy-TFTP directory open tftpd32.exe and setup as pics show –
You need to run as administrator so right click the app to open – run as admin.

Copy the text below:   ( paste it in some ‘plaintext’ file somewhere would be handy )

setenv image EA8500-factory-to-ddwrt.img
setenv ipaddr 192.168.1.1
setenv serverip 192.168.1.2
run flashimg
Bring PuTTy window to forefront and paste the above text in. ( a right click with the ol' mouse will paste in putty )

Hit ENTER

After you see the (IPQ) #
We are going to flash the other partition ~
Copy the text below:   ( Paste into PuTTy as we did before )

setenv image EA8500-factory-to-ddwrt.img
setenv ipaddr 192.168.1.1
setenv serverip 192.168.1.2
run flashimg2

Hit ENTER

this is what PuTTy window should show

After both images are flashed and PuTTy comes back with (IPQ) # type in:

reset

Hit ENTER
Yay !!!

You can now close out Tftpd32 & PuTTy & unplug USB/TTL

When router is fully booted — usually dont take about a minute,

you can launch your browser and go to 192.168.1.1 and be greeted with