![]() Looking closer at the board we see two headers: a 1x4 header located at J1 and a 2x7 header at JP4. Integrated SoC for AP routers/ MIPS processor Now that we have full access to the board, we will identify the main chips and any headers or test points that can be suitable JTAG candidates. Remove the 4 screws located at the bottom of the device and then lever the device open by separating the top and bottom casing.Ĭarefully remove the antennas from the PCB if desired to have unrestricted access to the top and bottom of the PCB. ![]() The first step to locating JTAG is disassembling the device and gaining access to the PCB. Now that we have covered how JTAG works and its interface, let’s take a look at a TP-Link Archer C7 | AC1750 dual band wireless router to demonstrate how to locate and identify the pinout for JTAG. ![]() If you haven’t already, make sure to check out part one of the JTAG post where we provide background on the interface and its characteristics. Welcome back to our introduction to hardware hacking 101 series and our second installment of our JTAG blog post! In this post we share a teardown of a TP-Link AC1750 to demonstrate how to identify and verify a pinout for JTAG. ![]()
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