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  1. #1
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    Uninstalling iBoot on a HS8200

    To run Titan(Nit) on a receiver, part of the installing procedure is to change the boot loader from the current one to iBoot. Some time ago, I came across a HS8200 with iBoot, but needed to have the factory boot loader 6.00 installed.

    No problem it seems. After getting the required .ird file and starting the flash procedure by powering up with channel up on the front panel depressed, … nothing happened: the loader was not reflashed.

    In the end I ended up with JTAG to put the original loader back. In the meantime, I learned it is possible to flash the loader back to original using iBoot. For this, you need to add something to the boot arguments.

    The procedure is a follows.

    • First power down the receiver using the power switch on the back.
    • Connect a PC with a terminal program to the serial port.
    • Start the terminal program and set it to the COM port used to connect to the receiver and set the baudrate to 115k2, 8 bit data, 1 stop bit, no parity.
    • On the PC start tapping the Enter key and switch on the receiver.
    • After iBoot has started, it should stop the boot procedure and show its prompt in the terminal program: am7600>
    • Now enter these two lines (on at the time, copy/paste recommended):

    Code:
    setenv flashloaderallow 1
    saveenv
    • If you want, you can check the result by typing printenv <Enter>. The output should have the text flashloaderallow=1 at the end.
    • Power down the receiver using the power switch on the back.
    • Locate an .ird file with only a loader 6.00 in it, for example this one here (about halfway in the first posting). iBoot has the reseller set to 230300A0 on a HS8200. Use a reseller changer program to change the reseller of the file to 230300A0.
    • Copy the thus prepared .ird file to blank FAT32 formatted USB stick.
    • Insert the stick into one of the USB ports on the receiver.
    • Press and hold the channel up key on the front panel, and while doing this, power on the receiver with the power switch on the back.
    • Flashing the original loader is done a split second after which the receiver will reboot, showing LOADER 6.00 as its sign on: basic job done.
    • After all this the receiver will have the reseller ID contained in the boot loader flashed. If you used the file in the link above, it is 230200A0 (Octagon SF1028 with loader 6.00). Please note that it is NOT the reseller ID that was put in using the reseller changer!
    • After the reboot, the newly flashed loader 6.00 will find an incorrect boot environment and cannot start an image. To fix this, the current boot arguments need to be erased. Power down the receiver with the power switch on the back, and start tapping Enter again in the terminal program on the PC. Switch the receiver back on and wait until you see the boot loader prompt: PDK7105>.
    • Next, enter these three lines (on at the time, copy/paste recommended):

    Code:
    protect off a0040000 +20000
    erase a0040000 +20000
    protect on a0040000 +20000
    • Restart the receiver again using the power switch. The boot loader will now find no boot arguments and automatically write a default set. This will enable running the factory firmwares, and any other firmware requiring the factory boot loader.


    CAUTION: work carefully and completely understand the above before attempting this. If anything goes wrong there is a great chance you will brick the receiver, and the only one responsible for that is you and only you.

    This procedure may be the same (apart from the reseller numbers and erase commands involved) for other receiver models but I have not tested this. The crux of course is adding flashloaderallow=1 to the boot arguments.

    Regards,


    Audioniek.
    Geändert von Audioniek (17.06.2022 um 17:20 Uhr) Grund: Add erase of boot arguments
    Receivers: Rebox: RE-4000, 8000, 9000, 2200, 2210, 2220, 4200, 4210, 4220, 8220, 8500, SAB Unix Triple, Golden Media Spark TripleX, Amiko Alien 2+, Sogno Spark Revolution, Kathrein UFS910(1 & 14W)/912/913/922(CX24116 & AVL2108 tuners), Vizyon revolution 820HD PVR, AB IPBox 91HD/9000HD/9000HD rev.2, Xsarius Alpha HD10, nBox BKSA/BSLA/BXZB/BZZB, Vitamin HD 5000
    Sats: Astra 1, 2 & 3, Hotbird
    Main activity: building my own E2 images for Fortis receivers

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  3. #2
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    Hello Audioniek
    I had the same problem
    on my hs7429 receiver it is dead
    I tried all methods with putty and sscom32E
    none succeeded even the one you posted
    now i need a jtag
    unfortunately i don't know how to do it
    help will be welcome

    Regards
    ainouna


  4. #3
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    Hi ainouna,

    What exactly did you do to get in this situation? The only thing I can gather from this is that the boot loader on your HS7429 is damaged/overwritten, but what is interesting to know is how this happened, as iBoot for a HS7429 does not exist. My problem is that I do have the HS7429 boot loader binary (even in .ird format) but I do not have the flasher software for a HS7429, needed to flash the binary using JTAG.

    And: do you have a JTAG adapter for your PC and the STM software for it?

    Regards,

    Audioniek.
    Receivers: Rebox: RE-4000, 8000, 9000, 2200, 2210, 2220, 4200, 4210, 4220, 8220, 8500, SAB Unix Triple, Golden Media Spark TripleX, Amiko Alien 2+, Sogno Spark Revolution, Kathrein UFS910(1 & 14W)/912/913/922(CX24116 & AVL2108 tuners), Vizyon revolution 820HD PVR, AB IPBox 91HD/9000HD/9000HD rev.2, Xsarius Alpha HD10, nBox BKSA/BSLA/BXZB/BZZB, Vitamin HD 5000
    Sats: Astra 1, 2 & 3, Hotbird
    Main activity: building my own E2 images for Fortis receivers


  5. #4
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    Thanks for answering me Audioniek
    I made a stupid mistake
    I flashed the receiver with a titan image of spark 7111
    without realizing
    I think I'm going to throw it away my dear 1008g+se+
    ==============================================
    I don't have any adapter
    nor the STM software for this one

    Regards
    ainouna
    Geändert von ainouna (18.06.2022 um 17:19 Uhr)


  6. #5
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    Then probably the simplest way out is looking for a second hand HS7429. Installing software intended for another model of receiver is always a guarantee for problems...

    Regards,

    Audioniek.
    Receivers: Rebox: RE-4000, 8000, 9000, 2200, 2210, 2220, 4200, 4210, 4220, 8220, 8500, SAB Unix Triple, Golden Media Spark TripleX, Amiko Alien 2+, Sogno Spark Revolution, Kathrein UFS910(1 & 14W)/912/913/922(CX24116 & AVL2108 tuners), Vizyon revolution 820HD PVR, AB IPBox 91HD/9000HD/9000HD rev.2, Xsarius Alpha HD10, nBox BKSA/BSLA/BXZB/BZZB, Vitamin HD 5000
    Sats: Astra 1, 2 & 3, Hotbird
    Main activity: building my own E2 images for Fortis receivers

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