Any way to manually make a Jtag USB cable

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  • pakkete
    Newbie
    • Nov 2008
    • 1

    #1

    Any way to manually make a Jtag USB cable

    I need to connect my cable modem to my PC but cannot find any place that carries then Jtag cable that I need, if any one knows how to make one manually, would really help me out...
  • fac51
    Top Poster
    • Aug 2008
    • 103

    #2
    a usb jtag is a very complicated thing to make yourself in comparison to a rs232 jtag

    Comment

    • worldunix
      Newbie
      • Jul 2010
      • 3

      #3
      I found this pdf if you want to look at it..

      Google

      Comment

      • worldunix
        Newbie
        • Jul 2010
        • 3

        #4
        Sorry here it is :-)

        http://www.knjn.com/docs/KNJN%20RS232%20FPGA%
        20boards.pdf

        Comment

        • worldunix
          Newbie
          • Jul 2010
          • 3

          #5

          Comment

          • DJLJ
            Newbie
            • Mar 2009
            • 15

            #6
            Or you could have searched on this very site, Devilfish posted a very good guide on here already.

            Comment

            • drcell
              Newbie
              • Jul 2010
              • 1

              #7
              Originally posted by DJLJ
              Or you could have searched on this very site, Devilfish posted a very good guide on here already.

              http://www.digital-kaos.co.uk/forums...ag-cable-2076/
              Thanks... This is so good information...

              Comment

              • chatfinch
                Newbie
                • Jul 2010
                • 14

                #8
                I have no serial port on my laptop to connect cable modem.I have a usb serial converter cable,I have instaled driver ok,come to down load new firmware it is trying to send it to com port 3,laptop is saying connected to com port 16 can I change this & how.down load saying waiting for reply of cable box.

                Comment

                • jumpinjo
                  V.I.P. Member
                  • Apr 2008
                  • 869

                  #9
                  Originally posted by chatfinch
                  firmware it is trying to send it to com port 3,laptop is saying connected to com port 16 can I change this & how.
                  you can change comport settings in device manager

                  Comment

                  • Deadphyre
                    Newbie
                    • Apr 2011
                    • 2

                    #10
                    From what i've read you need to have a certain number of beneficial posts on here. Meaning posts that don't say, hi...yo..etc etc. I believe someone mentioned it above.

                    Comment

                    • elementzero
                      Newbie
                      • May 2011
                      • 5

                      #11
                      Thanks so much for the JTAG instructs, needed it to debrick my router

                      Comment

                      • Sideflyingcows
                        Newbie
                        • Sep 2011
                        • 2

                        #12
                        Thanks alot for those instructions, dont want to have to buy a 45$ one to program a XC2C64A CoolRunner-II CPLD to RGH my Trinity board

                        Comment

                        • scarface1980
                          Junior Member
                          • Oct 2009
                          • 22

                          #13
                          i have 1 from when i bricked my starview 4 if find it ill send ya it

                          Comment

                          • harishharipad
                            Newbie
                            • Jun 2012
                            • 1

                            #14
                            Thanks for the guide

                            Comment

                            • asshak
                              Newbie
                              • Jun 2012
                              • 3

                              #15
                              this would not work on 5101 would it

                              Comment

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