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    Re: bios dump elitebook 840 g3

    Originally posted by ananskich View Post
    I compared them with the program hexcmp
    :
    Attached Files

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      Re: bios dump elitebook 840 g3

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        Re: bios dump elitebook 840 g3

        Originally posted by ananskich View Post
        :
        I am using HxD.
        Attached Files


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          Re: bios dump elitebook 840 g3

          Originally posted by ananskich View Post
          please help
          Help is on the way

          @hoaca388 data inspector section takes up a lot of the screen, if you don't use it (I think so) you better close it.
          Originally posted by ananskich View Post
          I compare both files and there is no change dumps are the same
          They are not the same, but the right (unlocked) bin should be a little different:
          Attached Files
          Last edited by Vesko356; 02-03-2022, 08:18 AM.
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            Re: bios dump elitebook 840 g3

            yes you were right i'm going to fix it now thank you very much

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              Re: bios dump elitebook 840 g3

              hi , can you help me removing the bios password from my dump file please?
              Last edited by SMDFlea; 04-02-2023, 12:22 PM.

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                Re: bios dump elitebook 840 g3

                Originally posted by obese69a View Post
                hi , can you help me removing the bios password from my dump file please?
                https://www.badcaps.net/forum/showpo...&postcount=606

                Here you are:
                Last edited by SMDFlea; 04-02-2023, 12:22 PM.
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                .

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                  Re: bios dump elitebook 840 g3

                  work thanks

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                    Re: bios dump elitebook 840 g3

                    Hello, Anyone willing to share the bios file for the ellitebook 840 G3 which is 8MB? I have an empty read in my rt809f. and obviously I don't have any backup.
                    I have tried from several files that I can find in this post, But nothing works.

                    Notes.
                    - Bios still reads fine as
                    - General Plus - MX25L6405@SOIC16, capacity: 64Mbits, 8Mbytes.
                    - blank chip reading
                    Some of the writing experiments conveyed the message:
                    059: Chip ID verification OK.
                    060: Start writing chip......
                    061: Auto erasing...
                    062: Erase successful£¬Elapsed time£º19.53 seconds¡£
                    063: Start writing...
                    064: Write successful£¬Elapsed time£º106.7 seconds¡£
                    065: Auto verifying...
                    066: Chip verification error, start position: 0x1000.
                    067: Verification failure£¬Elapsed time£º0.162 seconds¡£
                    068: Status register1 values: 0x40 ¡£
                    069: Write error, operation terminated.

                    Best Regard

                    Comment


                      Re: bios dump elitebook 840 g3

                      Originally posted by ozenk View Post
                      Hello, Anyone willing to share the bios file for the ellitebook 840 G3 which is 8MB? I have an empty read in my rt809f. and obviously I don't have any backup.
                      I have tried from several files that I can find in this post, But nothing works.
                      Looks like you chose the wrong bios chip.
                      Last edited by SMDFlea; 04-03-2022, 03:38 PM.


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                        Re: bios dump elitebook 840 g3

                        Originally posted by hoaca388 View Post
                        Looks like you chose the wrong bios chip.
                        Yes I think it's also wrong on chip selection. And I have tried with the options that I think are correct as in the picture.
                        I've tried several times with dozens of 8mb bios files I got on this forum. But all display the same error message.
                        So can someone tell me what's wrong here?
                        Attached Files

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                          Re: bios dump elitebook 840 g3

                          Originally posted by ozenk View Post
                          Yes I think it's also wrong on chip selection. And I have tried with the options that I think are correct as in the picture.
                          I've tried several times with dozens of 8mb bios files I got on this forum. But all display the same error message.
                          So can someone tell me what's wrong here?
                          How many pins does your chip have? I see you are choosing the chip with up to 16 pins.

                          Attached Files
                          Last edited by hoaca388; 02-10-2022, 07:51 AM.


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                            Re: bios dump elitebook 840 g3

                            Originally posted by hoaca388 View Post
                            How many pins does your chip have? I see you are choosing the chip with up to 16 pins.

                            Of course there are 8 pins for the bios component. Exactly as in the picture below is the type of bios used on the 840 g3 laptop that I am working on.
                            Bios code - MX25L6473fzni

                            Does it affect my ISP method? I mean, does it have to be completely removed from the board to flash? While this can detect the chip well on the ISP method.
                            Attached Files

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                              Re: bios dump elitebook 840 g3

                              Originally posted by ozenk View Post
                              Of course there are 8 pins for the bios component. Exactly as in the picture below is the type of bios used on the 840 g3 laptop that I am working on.
                              Bios code - MX25L6473fzni

                              Does it affect my ISP method? I mean, does it have to be completely removed from the board to flash? While this can detect the chip well on the ISP method.
                              On rt809f , you choose MX25L.........@SOIC8.
                              Not @SOIC16.


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                                Re: bios dump elitebook 840 g3

                                Originally posted by hoaca388 View Post
                                On rt809f , you choose MX25L.........@SOIC8.
                                Not @SOIC16.
                                What if there is no option for @SOIC8?
                                in the rtf list many choices only mention @SOP8 / @WSON8 / @VSOP8 and there are also some lists without mentioning them all, only sincere MX25L6405

                                which one should I choose for some of these lists?
                                I've tried to select @SOP8 on flashing it worked, but laptop still not working!

                                In advance, thank you very much to all who have provided feedback here. Very much appreciated.
                                Thx

                                Comment


                                  Re: bios dump elitebook 840 g3

                                  Choose sop8, your laptop has a 16MB chip and an 8MB chip, you have to flash both these chips synchronously. Remember to back up your chip's original file before doing anything.


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                                    Re: bios dump elitebook 840 g3

                                    Originally posted by hoaca388 View Post
                                    Choose sop8, your laptop has a 16MB chip and an 8MB chip, you have to flash both these chips synchronously. Remember to back up your chip's original file before doing anything.
                                    Unfortunately I can't find an option for that now, However after I lifted both of them off the board. and tried flash together it worked despite using soic16 option.
                                    and I think it's a development because laptops give a sign of life. but unfortunately it's still no display and the fan is spinning fast.
                                    I think now the problem is in the bios firmware itself.
                                    so i now need bios files for 8mb and 16mb, if you will share for me, much appreciated. Because I have a lot of mixed files. And the original copy is missing.

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                                      Re: bios dump elitebook 840 g3

                                      Thank you

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                                        Re: bios dump elitebook 840 g3

                                        thannk you

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                                          840 g3 bios reconstruction

                                          Hello, i have 840 g3 with w25q128fviq bios chip missing, i have dump from w25q64, can anyone reconstruct dump for 128 chip?
                                          Another question is that can i replace fviq chip with fwpig chip or jvpiq?
                                          Last edited by SMDFlea; 04-02-2023, 12:22 PM.

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