It can directly program xilinx fpgas, cplds, and programming roms, and indirectly program spi and parallel flash roms with system voltages ranging from 1. Each blue cover is held in place by 2 bracketlike clips in the front leds side and 2 round brackets in the rear network ports side. Before you do anything besides what is described here, please do research on how to use this tool. Found in linksys routers such as the wrt54g and wrt54gs, the 12pin. The jtag header is usually located near the flash chip. It was originally developed by a consortium, the joint european test access group, in the mid80s to address the increasing difficulty of testing printed circuit boards pcbs. Voip vt2442 with sip setting vt2142 with sip setting.
It is compatible with the vivado design suite and xilinx software development kit. I know there are a few various ways to do this but im trying to detail it so your kids can do it for you. Creating a jtag cable for wgr614l access the flash directly. How to unbrick a netgear wndr3400 n600 router after a bad.
How to unbrick a netgear wndr3400 n600 router after a bad dd wrt flash 32. On the net, i found lots of howtos and tutorials on how to debrick the wrt54gl using jtag interface but most of it is outdated, refers to unavailable tools or whatever. Building a jtag cable can be helpful to those who have inadvertently bricked their wgr614l. Guide for jtag cable and acces to wgr614v8 hello, today i had enough time to write a tut. Pansat 2300, pansat 2500a, pansat 2700a, pansat 3500s3500sd, ariza, fortec lifetime, lifetime ultra. How to install dd wrt from the dlink oem screen on firmware 1. Guide for jtagcable and acces to wgr614v8 hello, today i had enough time to write a tut. Setting up the intel fpga download cable ii hardware with the quartus prime software on page 7 cable and adapter drivers information 1. Platform cable usb ii is a highperformance, reliable and userfriendly jtag cable from xilinx. Use this jtag cable to fix green light syndrome gls at home. Linksys wrt160nlthis router has jtag port but uses spi flash. Here is how you can unbrick your tl wr740n router in a few seconds without needing any serial or jtag cable. Some tutorials mostly those written for wrt54g routers used a 10 pin connector for the jtag cable, others used the 12pin one.
This program is for debricking the wrt54ggs routers. Jtag tolpt mapping tdi data3 pin 5 tdo busy pin 11 tms data1 pin 3 tck data2 pin 4 nsrst data0 pin 2 ntrst data4 pin 6. Popularized by the hairydairymaid debrick utility software for linksys routers, many people have successfully built their own unbuffered jtag cable. If so, you can simply download and flash the firmware they provide. Xds220 usb jtag emulator with 20pin cti jtag cable. There is no router requiring a buffered jtag cable but it makes it easier with one since cable length is not so critical and you. All in one jtag debrick wireless routers, wrt54gs, ddwrt. Guide for jtagcable and acces to wgr614v8 myopenrouter. Compatible xilinx platform cable usb fpga cpld jtag spi download debugger programmer dlc9g.
May 20, 2008 dd wrt is also rocksolid and has run for months on end without a single reboot. This is the 2nd generation of the jtag cable manufactured by tiao corp. If someone could move the important parts into this wiki, thatd be great. Download it from here, and install it using the selfinstalling executable. Be warned that incorrect usage can lead to a point of no return situation. There are no screws on the linksys wrt54ggsgl series routers. Jul 19, 2012 some tutorials mostly those written for wrt54g routers used a 10 pin connector for the jtag cable, others used the 12pin one. Code composer studio dsp target board evm, ezdsp, dsk additional jtag target. His current builds for windows and the source files for linux can be found in the ddwrt download section in the otherstornado folder. Table 2 lists the device support for each download cable. Details about usb download cable jtag spi programmer for lattice fpga.
The xupusb programming cable is compatible with xilinxs platform cable usb. The bitblaster tm, byteblaster tm, byteblastermv tm, ethernetblaster tm and masterblaster tm download cables have been superseded and are no longer sold by intel cable device compatibility. Xilinx platform usb download cable jtag programmer for fpga cpld cmod xc2c64a. This is a mirror of the original hairydairymaid jtag debrick utility v4. The 14pin header conveniently supplies this voltage on pin 14. Today jtag is used for debugging, programming and testing on virtually all embedded devices. Cable box firmware dct2224 ph8tvr7304r dct2224 original 0793 dct2224 ph6 type 1 0793 dct2224 ph6 type 2 0793 dct2224 0793 with spi dct2500 boot 2. Ive been given a wrt54gv6 that up and stopped working one day. Some cable 5x 100 ohm resistors 1x db25 plug soldering iron and knowledge so we can begin. Buffered jtag debrick wireless router wrt54gs ddwrt blackcat. The pc powers the jtag hs2 through the usb port and will recognize it as a digilent programming cable when connected to a pc, even if the cable is not attached to the target board. When i turn it on, 3 or 4 of the lan leds come on immediately and power led just blinks.
There are far more reliable ways of recovering a bricked router like using a jtag or serial cable, for example that will give you a 100% chance of a successful recovery without toasting your router. The first generation jtag cables have resistors directly soldered on the wires year 20042005. This means that after every upgrade, my 5g wifi doesnt work, because the new firmware comes with those packages. I dont think that getting the jtag cable is best the way to deal with this ordeal. The main emphasis lies on providing the easiest possible handling while at the same time supporting a great number of functionalities within the framework of the respective hardware platform used. Blog how i bricked and debricked my linksys wrt54gl router. Generally, one would try the serial cable method first to try to revive the router, but if you need to bypass the software altogether and access the flash chip directly the jtag cable is your weapon of choice. Sep 24, 2009 discussion about jtag cable for wrt54g2. Jtag is done with a cable hooked from a computer 25 pin printer port usb might also be available to an electrical connection on your router called a jtag port. However, dont worry, the steps are really straightforward.
Sep 28, 2016 jtag is a common hardware interface that provides your computer with a way to communicate directly with the chips on a board. Putty is the nifty, free little program that you will use to program the router, also known as a serial console. How to unbrick a netgear wndr3400 n600 router after a bad dd. The jtag usb cable allows you to use your pc to connect to a jtag scan chain or to access an spi interface on a board equipped with the appropriate 6pin header. Building jtag cable wrt54g2 v1 hello, i am argentine and to start my english is very bad. Lately there are also cables that use a usb interface on the pc side instead of the 25pin parallel port connector. Cant seem to find in the specifications or other places if dd wrt exists or can be loaded into the c6300ac1750 modem router. Connect the cable to the pc then the wrt150n jp1 and power up the wrt150n. Download the generic broadcom mini version and the mega version if you want to install that as. A simple jtag cable for the linksys wrt54gl router is the xilinx dlc5 jtag parallel cable iii. Try asking in the lining in spanish but i had a succinct answer. Ddwrt forum view topic building jtag cable wrt54g2 v1.
Tjtag a wgr614v8 and building a jtag cable what you need. Id like to use linux tools to fix it since i dont have a working windows on a pc with a parallel port atm. Usb download cable jtag spi programmer for lattice fpga. Assuming you have installed the xilinx installation, this article will guide you on installing cable drivers for xilinx usb jtab programmers. A buffered cable such as the wiggler requires an external vcc voltage supply. Please subscribe for more useful videos about free internet and wifi marketing 1. But linksys routers should all have the same layout, right. The smartlynq data cable is backward compatible with the platform cable usb ii through a standard jtag header connection to the target board. Many of them were contacting us asking if their router is supported or which of the many files in the downloads sections is the right one. Formally, the pin 14 is called vref and used to indicate a jtag signal levels. Many of the websites visitors want to find out if a specific router is supported and which files they need to download to install dd wrt. Anyone know if this is possible or i am considering a pvpn and have come to the conclusion it might be better to have the router as the point rather than the various devi. To remove the top cover the one with the button going through it, pull the back of the blue cover away from the router and towards the.
Theres also a collection of pointers and tips on how to recover from a bad flash at the external link location, but most of the information in that forum seems to have been collected into the wrt54g revival guide. He specifically talks about using an unbuffered cable and pointedly notes that the cable he uses does not tie pin 1 of the jtag header to anything. I had bricked my wireless router and fixed it back by using a home made jtag cable. If you have read this far, it means the only way to debrick your router is by using a jtag cable. However, intel recommends using a throughhole connector. The xilinx parallel cable iv pc4 is a highspeed download cable that configures or programs all xilinx fpgas, cplds, and isp proms.
Setting up the intel fpga download cable ii ug01150 2018. Most times the jtag pinouts with photos are available there. All you need is a short adapter cable, a piece of software, and of course a jtag header on your devices circuit board. If the power light keeps on blinking and the router is still inaccessible, then you have to call linksys technical support to check on the warranty. Since i wanted to restore my firmware within some hours, i have to find a simple jtag cable and using only electronic parts which are in my toolbox already or which i can recycle them from existing projects. Inside the zip file download for the hairydairymaid wrt54g debrick utility v48 there is a pdf file that describes the software and how to use it. The cable automatically senses and adapts to target io. It originally had the stock linksys vxworks firmware on it, but now appears to be bricked. Check dd wrt site, this jtag cable support any wireless router. Teach your router new tricks with ddwrt computerworld. A jtag cable can be bought off ebay, or made very inexpensively. Xtp029, overview of xilinx jtag programming cables and.
Asus rtn16 debwrt debian on openwrt base wiki page. There is always a jtag automate jtag logic integrated into your soc or cpu and usually this is connected to a jtag header on the pcb. You can test and program the ic by issuing jtag commands to it through the jtag to do that, you need to connect the parallel port of your pc with the jtag header on the pcb via a bought or a homemade jtag cable. The original cable was introduced by xilinx and has a full name xilinx dlc5 jtag parallel cable iii. This cable and setup have been used for tjtagv3 available at. Also, do not even try jtag on atheros it is not supported. Jtag software is available from tornado a ddwrt developer. Jtag debrick wireless routers, wrt54gs, ddwrt, fta receiver. The cable takes advantage of the ieee 1284 ecp protocol and xilinx impact soft ware to achieve download speeds that are over 10 times faster than the pc3.
Now, youll need to download the drivers for your usbttl cable. A good starting point is the excellent and cautionary guide. Someone removed a buffer and changed it with a four 100 ohm resistor. Jtag should only be used as a last resort option, tftp and serial should be used first. I want to get that out in the open right now so that you cant. The typical unbuffered cable, however, does not require an external voltage in order to function. The reason i choose openwrt is because it is flexible and nice to configure. I got a jtag cable and soldered the 12pin header to the routers mainboard. This is also a jtag cable for you to fix your fta non fta device. Usb blaster jtag tools to unbrickdebrick your router youtube. In this way, you can program devices on digilent programmable logic boards using the digilent adept suite. Using jtag cable to unbrick linksys wrt160n v1 linksys.
Buffered jtag debrick wireless router wrt54gs ddwrt. Now the wire is ready now the circuit board has to be prepped as well. Free jtag software from intellitech enables you to use the power of internal jtag silicon instruments with a commercial quality tool. In most cases it is a 12 to 14 pin header which must be assembled with 2,54mm pins. This is intended to assist you installing dd wrt on your us linksys ea8500 if you have linksys firmware newer than ver 1. You might need to a do a hard reset and try to ping it using 2 computers.
Lattice usb download line fpga cpld isp download simulation hwusbn2a. And if you want to change a setting, click save, and on your last configuration option choose apply, so that it. Jtag is a program for fixing your router if it is in an otherwise unrecoverable state. Jtag cable instructional jtag wiki flashing to dd wrt. This sucks, it means i need to find the usb ethernet adapter for my mac, an ethernet cable, go to where my router is, and connect to it in a wired fashion after each upgrade to remove those packages. Debrick router linksys wrt54g universal jtag xilinx cpld. You need to use a jumper cable to connect them properly the cpu of the board uses atheros 9. Nothing should be connected to your computer or the router except the lan cable between them. Usb download cable jtag spi programmer for lattice fpga cpld hwusbn2a. Wrt54gv6 debrick with arduino jtag cable hello all.
Ddwrt kong mod usbftpminidlnasamba3 for all broadcom 47xx units with 8mb flash wnr3500l, asus rtn16, linksys wrt610n v2 build 15000. A 10pin surface mount header can be used for the jtag, as, or ps download cable. His current builds for windows and the source files for linux can be found in the ddwrt. Hi guys looking for a jtag 12 pin cable and also connection to solder onto my bricked router. This is also a jtag cable for your to fix your cable modem.
How to debrick your wnr3500lv2 using windows and a usbttl. The hs2 has a separate v dd pin to supply the jtag signal buffers. Xds220 usbethernet jtag emulator spectrum digital incorporated. This software was found on the download uk website, along with other helpful jtag tools. Currently, i had already dismantle the whole router out and already build the jtag cable for reflashing back the firmware.