Linksys E4200 v2

Overview
"48RGWM04.0GA" and "Manufactured for CISCO" are silkscreened on the board.
 * Wistron NeWeb is the OEM.

The same hardware appears to be used with the later model Linksys EA4500.
 * Wi-Fi Certified

Reviews

 * On SmallNetBuilder (source for this page)

Forum threads

 * On the DD-WRT forums
 * The serial number for these devices may start with
 * 01C106,, 01C136.

Blogs

 * Making the Cisco/Linksys E4200v2 work for you
 * Obtaining the firmware for Linksys E4200v2
 * Hacking Linksys E4200v2 firmware (binwalk dump)

Firmware

 * Hacking the Linksys E4200v2
 * (based on and extending work from the following)
 * Installing Debian on the Linksys E4200v2

Flashing OpenWrt
Please insert instructions here

Serial Pinouts
The serial port is marked as J5 on the board. There are 6 pads in a row. If you take pin 1 to be the square pad, you will find the following pinout: P1 - ? P2 - ? P3 - RX P4 - ? P5 - TX P6 - GND