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  • Blacklist of locked Down Versionīs of RK3188 CPU

    Hello there,

    This Thread here is a Warning to all Buyers of a new TV Stick. In the last Time we had have issiues with some Rockchip 3188 CPU because they are running only with 1.4 Ghz and are not able to be Overclock.

    This is only for Information! Not to make Panic!

    RK3188 with quad-core products of high and low with (CPU), RK3188 is a high coordination, RK3188-T is low with CPU, the price difference between hundreds of dollars, each customer in the procurement time to see. 3188-T market has been low with a quad-core CPU dongle in sales, while sellers will not tell customers with a product which is low.
    3188-T firmware patch is absolutely necessary in order to brush machine, if not patched, brush the opportunity to brush CPU die. Scrapped.
    T is the reduced frequency version, because RK3188 combined SDK2.0 sacrificing battery life, so to lower the frequency of T


    The Chips are called RK3188 T. There are no Official Information about this Chip.
    For us it seems Like the want to sell the Crap CPU that not Work porper on 1.6 Ghz as 1.4 Ghz Versions.
    As Problem we see that now Seller will told you that, or they didnt know this.

    To Avoid this, we have here a Table called Blacklist. Please Type in your Device and Seller when you get such Device to Warn other Users.

    How can we know wich CPU we have ?

    The only way to see this is to Open the Device and take a look at the CPU.

    Click image for larger version

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    Blacklist Table:

    https://docs.google.com/spreadsheet/...mc&usp=sharing
    Last edited by neomode; 01-17-2014, 09:55.

  • #2
    Good to know, thanks a lot for the info.

    leolas
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    Comment


    • #3
      Yes, thanks..
      I noticed the rk3188T entrys at the firmware list..
      And back then.. i did do a search.. but could not find any info
      This explaines it..

      Is the cpu only clocked lower.. ? Or also the GPU
      Is the rkpatchomatic tool still usefull on these? For ram tweaks ect
      -just thinking loud

      Cheers

      Comment


      • #4
        AW: Blacklist of locked Down Versionīs of RK3188 CPU

        Well I have testet the kernels with rkpatchomatic tool. This was the point I start to investigate. Because you get 1.8 Kernel but only with 1.4Ghz.
        I need an idea how to test the GPU Overclock that we have good test examples.
        Personly i think you can not Overclock the GPU because it has a relationship with the CPU Clock.



        Ray

        Gesendet von meinem GT-I9305 mit Tapatalk 2

        Comment


        • #5
          All devices manufactured since mid-December in May already RK3188-T.
          Manufacturers interpreter with the processor stable but it is only a sham.
          I knew about this but not wanting to sow panic
          MY MINI PC: C4,CS918,M8,M8C

          Comment


          • #6
            AW: Blacklist of locked Down Versionīs of RK3188 CPU

            Hmm but I think they'd want to screw us.
            Because you pay the same Money and get a slower Device.

            Neomode

            Gesendet von meinem GT-I9305 mit Tapatalk 2

            Comment


            • #7
              You know, not all overclocking.
              Will not shop, if someone interested in overclocking
              MY MINI PC: C4,CS918,M8,M8C

              Comment


              • #8
                Originally posted by neomode View Post
                I need an idea how to test the GPU Overclock that we have good test examples.
                If you grep for 'Mali' in dmesg, it will show the GPU frequency table. For example on Wassers new oc'd X7 kernel with 400/600 as the only allowed GPU speeds, it will show '397MHz, 594MHz' or something very close.
                NVidia Shield TV 2017
                Buy me a beer?

                Comment


                • #9
                  The T stands for Throttle in official CPU terms.
                  Every CPU got his min. And max. Throttle for example 800mhz to 1400mhz.
                  I think the T in the RK3188T models is locked at a certain level.

                  Sent from my GT-N7100 using Tapatalk

                  Comment


                  • #10
                    am i in a rink ?

                    .. i gοt a cs968 tv box just 1 week ago from dealsprime ,and i changed the mama rom to geass.
                    i am having some issues and i'm trying to solve them.

                    is my tvbox in a risk with this rom ?
                    have i to do something ?

                    Comment


                    • #11
                      Originally posted by buried View Post
                      .. i gοt a cs968 tv box just 1 week ago from dealsprime ,and i changed the mama rom to geass.
                      i am having some issues and i'm trying to solve them.

                      is my tvbox in a risk with this rom ?
                      have i to do something ?
                      what are your problems?
                      MY MINI PC: C4,CS918,M8,M8C

                      Comment


                      • #12
                        Originally posted by wimmetje View Post
                        The T stands for Throttle in official CPU terms.
                        Every CPU got his min. And max. Throttle for example 800mhz to 1400mhz.
                        I think the T in the RK3188T models is locked at a certain level.

                        Sent from my GT-N7100 using Tapatalk
                        from what I learned in that these processors can work to 1.6Ghz
                        MY MINI PC: C4,CS918,M8,M8C

                        Comment


                        • #13
                          AW: Blacklist of locked Down Versionīs of RK3188 CPU

                          We don't know wich Rom you want to use. Right now we know that a Rom for RK3188 also ein on the RK3188T CPU.

                          Neomode

                          Gesendet von meinem GT-I9305 mit Tapatalk 2

                          Comment


                          • #14
                            Yes roms for rk3188T are the same
                            MY MINI PC: C4,CS918,M8,M8C

                            Comment


                            • #15
                              firmware names
                              cx-919-rk3188-T-4.2-6210
                              B351_3188T_AP6210 BT
                              B351 V2.0-3188T-BT
                              RK3188T_BOX_SZTENA_B351V2.0_NEUTRAL_8723AU
                              rk3188t-bx09-android4.2.2
                              DG12_3188T
                              B351 V2.0_3188T_8723AU
                              CS968_RK3188t

                              sites
                              Colorfly CT801
                              Colorfly CT972
                              jxd 7800b (Rumored from forum dingoonity)
                              Ugoos UG310 quad core RK3188t (from forum apad by mod )
                              cx919 II PCB cyxtech_3188_909 v1_1 (4pda.ru forum )

                              From the names I id:
                              Jesurun AC8350, T-R42, cx-919, bx09,cs968
                              Last edited by mitchell4you; 01-17-2014, 09:26. Reason: All done

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