SD/MMC mod

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SD/MMC Mod for the Buffalo WHR-G54S

This is a work in progress...

1. Introduction

This tutorial guides you through adding a SD/MMC interface to the Buffalo WHR-G54S router and gives some general information and tips that help you to do the same with other routers. Applying this modification to the Buffalo WHR-HP-G54S will be almost identical than what is described here.

2. How to open your router

Check this Wiki How to open the Buffalo WHR-HP-G54 to see how to open your router without breaking it.


3. Finding suitable IO points

Multimeter, ground reference. while true; do gpio disable 2; sleep 1; gpio enable 2; sleep 1; done Use negative side of LED (+ side is marked).

Image:WHR_G54S_SD_MOD-Telnet_DOS_BOX.png

Checking the power supply.

Required tools: Soldering iron with a very fine tip. Some pieces of thin wire (diameters approx. 0.25 mm) A SD card adapter. A SD or MMC card.

Image:WHR_G54S_SD_MOD-Component_Side.png

Image:WHR_G54S_SD_MOD-PCB_Backside.png

Image:WHR_G54S_SD_MOD-SD_Card.png

Image:WHR G54S SD MOD-Management Screen.png