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Help: JTAG dump of Samsung SGH-I917 (DCC Checksum Error)

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  • #16
    Ok, so far connection seems to be working, NRST works as it should too.

    Now switch back to resurrector and on DCC tab click "Read".
    ICQ: 299-912-089
    QQ: 1634811353

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    • #17
      Result of DCC read (after powering back on).

      Code:
      [11/1/2017 6:37:38 AM] [START OPERATION_ID = RESET_TARGET]
      [11/1/2017 6:37:38 AM] Open serial port...OK
      [11/1/2017 6:37:38 AM] Connecting to the RIFF Box...OK
      [11/1/2017 6:37:38 AM] Firmware Version: 1.47 (RIFFBOX2), JTAG Manager Version: 1.73
      [11/1/2017 6:37:38 AM] Selected Resurrector: [Samsung I917 V1.0.4466.60929]
      [11/1/2017 6:37:38 AM] 
      [11/1/2017 6:37:38 AM] Resetting target...OK
      [11/1/2017 6:37:38 AM] STATUS: Target is halted.
      [11/1/2017 6:37:38 AM] 
      [11/1/2017 6:37:38 AM]   R0 = 0x00000000    R6 = 0x00000000    R12 = 0x00000000
      [11/1/2017 6:37:38 AM]   R1 = 0xFFFF4C1C    R7 = 0x00000000    R13 = 0xC003BF3C
      [11/1/2017 6:37:38 AM]   R2 = 0x00000000    R8 = 0x00000000    R14 = 0xFFFF4C80
      [11/1/2017 6:37:38 AM]   R3 = 0x00000000    R9 = 0x00000000    R15 = 0xFFFF117C
      [11/1/2017 6:37:38 AM]   R4 = 0xC003BF64   R10 = 0x00000001   CPSR = 0x600000D3
      [11/1/2017 6:37:38 AM]   R5 = 0xC0035D80   R11 = 0x00000000
      [11/1/2017 6:37:38 AM] [FINISH OPERATION_ID = RESET_TARGET]
      
      [11/1/2017 6:37:43 AM] [START OPERATION_ID = DCC_READ_MEMORY]
      [11/1/2017 6:37:43 AM] 
      [11/1/2017 6:37:43 AM] Current Settings:
      [11/1/2017 6:37:43 AM] -----------------
      [11/1/2017 6:37:43 AM] Address: 			000000000000
      [11/1/2017 6:37:43 AM] Length: 			000000000000
      [11/1/2017 6:37:43 AM] Address Space: 		ROM1
      [11/1/2017 6:37:43 AM] AutoFullFlash: 		CHECKED
      [11/1/2017 6:37:43 AM] Use End Address: 		UNCHECKED
      [11/1/2017 6:37:43 AM] ECC Module Enabled: 	UNCHECKED
      [11/1/2017 6:37:43 AM] Image File is Used: 	CHECKED
      [11/1/2017 6:37:43 AM] Use Address as Offset: 	UNCHECKED
      [11/1/2017 6:37:43 AM] Main (CHECKED): 
      [11/1/2017 6:37:43 AM] Redu (UNCHECKED): 
      [11/1/2017 6:37:43 AM] 
      [11/1/2017 6:37:44 AM] Open serial port...OK
      [11/1/2017 6:37:44 AM] Connecting to the RIFF Box...OK
      [11/1/2017 6:37:44 AM] Firmware Version: 1.47 (RIFFBOX2), JTAG Manager Version: 1.73
      [11/1/2017 6:37:44 AM] Selected Resurrector: [Samsung I917 V1.0.4466.60929]
      [11/1/2017 6:37:44 AM] 
      [11/1/2017 6:37:44 AM] Connecting to the dead body...OK
      [11/1/2017 6:37:44 AM] Detected dead body ID: 0x202400E1 - IGNORED!
      [11/1/2017 6:37:44 AM] Set I/O Voltage reads as 2.99V, TCK Frequency is RTCK
      [11/1/2017 6:37:44 AM] Adaptive Clocking RTCK Sampling is: [Sample at 1 MHz]
      [11/1/2017 6:37:44 AM] Settings Code: 0x25010009000000000000000000000000
      [11/1/2017 6:37:44 AM] 
      [11/1/2017 6:37:44 AM] Resurrection sequence started.
      [11/1/2017 6:37:44 AM] Establish communication with the phone...OK
      [11/1/2017 6:37:44 AM] Initializing internal hardware configuration...OK
      [11/1/2017 6:37:44 AM] Uploading resurrector data into memory...OK
      [11/1/2017 6:37:44 AM] Starting communication with resurrector...FAILED
      [11/1/2017 6:37:44 AM] ERROR: Wrong DCC data checksum.
      [11/1/2017 6:37:44 AM] [FINISH OPERATION_ID = DCC_READ_MEMORY]
      Last edited by foxybox; 11-01-2017, 01:45 PM.

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      • #18
        DCC loader wont start, reasons unknown.

        Do this now, please:
        1. on JTAG tab click "Analyse JTAG Chain"
        2. press CTR+F
        3. Make screenshot of pop up dialog
        ICQ: 299-912-089
        QQ: 1634811353

        Comment


        • #19

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          • #20
            Ok, good.
            Now - try each compatible DLL, maybe some will work.

            If no luck (checksum error) w'll continue some other day, after we prepare new driver support for remote helper client. Probably day or two.
            ICQ: 299-912-089
            QQ: 1634811353

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            • #21
              Way ahead of you

              I specifically downloaded those DLL's because they use the same chipset. Tried them out, no luck.

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              • #22
                Well, too bad.
                Remains to wait for updated remote helper, so we can connect the phone directly.
                Probably day after tomorrow.
                ICQ: 299-912-089
                QQ: 1634811353

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                • #23
                  Any updates? I'm ready to proceed with this

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                  • #24
                    Yes, we finally fixed remote helper so it will work now.
                    I expect we can do some tests tomorrow (Thursday) with Your phone, if it's still there.
                    ICQ: 299-912-089
                    QQ: 1634811353

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                    • #25
                      How do we proceed?

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                      • #26
                        Originally posted by foxybox View Post
                        How do we proceed?
                        Monday
                        Just PM me when You get ready.
                        ICQ: 299-912-089
                        QQ: 1634811353

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