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Thread: Jtag stuff for Dreambox

  1. #26
    hannothor Guest

    Default Re: Jtag stuff for Dreambox

    3th try and hope that i now can download the submitted attachments

    Your wasting your time making these childish posts.

  2. #27
    hannothor Guest

    Default Re: Jtag stuff for Dreambox

    Sorry but i was informed that in order to download attached files (urgently needed!), i have to reply / post 3 times !!.
    Use your words more carefully, otherwise help me out of this since i'm not a regular forum user.
    !!

  3. #28
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    Default Re: Jtag stuff for Dreambox

    I learn something new everyday ... I only wish I could remember it.

  4. #29
    hannothor Guest

    Default Re: Jtag stuff for Dreambox

    Thanks laurals53 ! This is meaningfull and helps.!

  5. #30
    abs351 Guest

    Default Re: Jtag stuff for Dreambox

    would this work on DM518s

  6. #31
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    Default Re: Jtag stuff for Dreambox

    Try this:

    Dreambox 500 - JTAG Information
    In case this got missed within the other thread, here are a bootloader and JTAG diagrams that you may find useful if you have a clone and Gemini 4.31.

    You can download a bootloader here:

    _http://rapidshare.com/files/87512303/dreamboxbootloader.rar.html

    PCB pins:

    Signal Pin Pin Signal

    TDO 1 2 N/C
    TDI 3 4 TRST
    N/C 5 6 VCCS
    TCK 7 8 N/C
    TMS 9 10 N/C
    HALT 11 12 N/C
    N/C 13 14 ***
    N/C 15 16 GND
    db25 . . decoder

    The cable (DB25 = printer port connector):

    DB25 > resistor > PCB pin

    2 --> 100 ohms --> 11 ( Halt)
    3 --> 100 ohms --> 9 ( Tms )
    4 --> 100 ohms --> 7 ( Tck )
    5 --> 100 ohms --> 3 ( Tdi )
    11 --> 100 ohms --> 1 ( Tdo )
    25 ------------------ 16 ( Ground)

    You may also be able to use a CAS2 or CAS3 to jtag it. Use at your own risk.

    I haven't tested it and you should contact your seller to obtain a refund if possible.

    Updated 21.04.08:

    These files have been tested by philip633

    _http://rapidshare.com/files/109184199/bootloader.rar.html

    JTAG program
    BIN file
    MAC generator

    See here for more details:

    http://www.satellites.co.uk/forums/a...mation.jpg.att


    http://www.satellites.co.uk/forums/a...ag2gz4.jpg.att
    Dreambox 800HD SE Sim 2.10 BCM4505(DVB-S2)
    Openbox S9 HD PVR
    TM 1500CI+ Super / TM 1000D Super
    Triax 88cm - Motek SG2100a Motor - Diablo Cam 2.3

  7. #32
    abs351 Guest

    Default Re: Jtag stuff for Dreambox

    Thanks for the info fanjo, i have all of the above, i can successfully flash with jtag but wont push f/w down via dream up. 100% treid diffrent versions and even patched versions of dream up. ensure null modem cable and serial is working as i have flashed other box in the past with same hardware. anyone tried loading the whole image file into flash with jtag. i have been trying to use topjtag(www.topjtag.com) got it to reconzise the CPU & loaded the bdsl file but aving issues trying to setup the pinouts of the flash chip. overall im so close of removing the flash and reprogram.

  8. #33
    dimisdos Guest

    Default Re: Jtag stuff for Dreambox

    Quote Originally Posted by abs351 View Post
    Thanks for the info fanjo, i have all of the above, i can successfully flash with jtag but wont push f/w down via dream up. 100% treid diffrent versions and even patched versions of dream up. ensure null modem cable and serial is working as i have flashed other box in the past with same hardware. anyone tried loading the whole image file into flash with jtag. i have been trying to use topjtag(www.topjtag.com) got it to reconzise the CPU & loaded the bdsl file but aving issues trying to setup the pinouts of the flash chip. overall im so close of removing the flash and reprogram.
    just check again your null modem cable one by one the pins with polymeter in scale of buzz (ohm) to see the continusly of those wires one by one i was have the same problem and 1 pin doesnt work properly ....and vouala when i resolder the wire with a new pin the problem was gone.... ;-)

  9. #34
    abs351 Guest

    Default Re: Jtag stuff for Dreambox

    hello dimisdos

    thanks for your reply; i can do that better still i have a brand new null modem cable at work. overall im 100% sure it works as i ue it all the time to configure WLAN access points at work. dod you manage to get a DM500 or DM518s going with windows based jtag program. overall it loads but dreamup cant talk. if anyone wants this program the patched dreamup.. i have used and then used the dm500 version and it allowed a manual flash and erase button to appear
    Attached Files Attached Files

  10. #35
    dimisdos Guest

    Default Re: Jtag stuff for Dreambox

    Did you had solve your problem with a new one null ??? was that ?

  11. #36
    abs351 Guest

    Default Re: Jtag stuff for Dreambox

    tried new cable and thsi was not the issue.. i also built a buffered jtag to utilze Patel's Flash program which is a cracked version from another, it seem's like it doestn work.i bought a new box but i still want to fix this one

    thanks for your help anyway

  12. #37
    dimisdos Guest

    Default Re: Jtag stuff for Dreambox

    Tell me what of version of Windows did you have in use with your pc ...

  13. #38
    abs351 Guest

    Default Re: Jtag stuff for Dreambox

    windows XP, tried differnt PC' with windows Xp i alos tried all the LPT port settings within the bios and still issues. overall i can use an un buffred jtag ( just resistor setup) and able to flash the bootloader with the windows version to upload the bootloader to the DM518s (dm500s) and it succesfully loads but dreamup will not load f/w i have tried everything...

  14. #39
    dimisdos Guest

    Default Re: Jtag stuff for Dreambox

    Did you ever 'd tryied with a shorter cable round 10 cm max for null modem cable ?

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