Fujitsu D738 TPM Unlock

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  • Radoje17
    New Member
    • Nov 2021
    • 6
    • Serbia
    #1

    Fujitsu D738 TPM Unlock

    Hi, could anyone please help me unlock the Trusted Computing bios sub-menu and enable PTT in ME?
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    • Answer selected by Radoje17 at 10-29-2025, 02:47 PM.
      SMDFlea
      Super Moderator
      • Jan 2018
      • 21929
      • UK
      Originally posted by Radoje17
      Hi, the serial number is YMLJ011301
      Here`s a virgin bios extracted from the update. It still has TPM disabled though.

      Click image for larger version Name: TPM chassis.jpg Views: 26 Size: 99.7 KB ID: 3754348 Click image for larger version Name: TPMD.jpg Views: 20 Size: 75.7 KB ID: 3754349
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        • SMDFlea
          Super Moderator
          • Jan 2018
          • 21929
          • UK
          #2
          Originally posted by Radoje17
          Hi, could anyone please help me unlock the Trusted Computing bios sub-menu and enable PTT in ME?
          Post the PC serial number please.
          All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

            Comment

            • Radoje17
              New Member
              • Nov 2021
              • 6
              • Serbia
              #3
              Hi, the serial number is YMLJ011301

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                • SMDFlea
                  Super Moderator
                  • Jan 2018
                  • 21929
                  • UK
                  #4
                  Originally posted by Radoje17
                  Hi, the serial number is YMLJ011301
                  Here`s a virgin bios extracted from the update. It still has TPM disabled though.

                  Click image for larger version Name: TPM chassis.jpg Views: 26 Size: 99.7 KB ID: 3754348 Click image for larger version Name: TPMD.jpg Views: 20 Size: 75.7 KB ID: 3754349
                  All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters
                    • Selected Answer

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                    • Radoje17
                      New Member
                      • Nov 2021
                      • 6
                      • Serbia
                      #5
                      Thank you, I've changed 0x01 to 0x00 and it works!

                      I haven't checked what happens when you flash it without changing.

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                        • Radoje17
                          New Member
                          • Nov 2021
                          • 6
                          • Serbia
                          #6
                          I've flashed another system, with your original rom (I just added the NIC MAC Address) and the TPM worked, so my change didn't do anything, thank you!

                          Just out of curiosity, is there a guide on how to extract the bios from the Fujitsu's upgrade package.
                          I managed to get a ~28MB D3601-A1.UPD file, but I don't know what do to from there, thanks in advance!

                            Comment

                            • SMDFlea
                              Super Moderator
                              • Jan 2018
                              • 21929
                              • UK
                              #7
                              Originally posted by Radoje17
                              I've flashed another system, with your original rom (I just added the NIC MAC Address) and the TPM worked, so my change didn't do anything, thank you!

                              Just out of curiosity, is there a guide on how to extract the bios from the Fujitsu's upgrade package.
                              I managed to get a ~28MB D3601-A1.UPD file, but I don't know what do to from there, thanks in advance!
                              Great news

                              Open the UPD file and your backup with a hex editor, you`ll see that the flash descriptor at the top is the same, so we know it`s going to be a full bios image starting at offset 0 .Select offsets 0 - FFFFFF (Length = 1000000 = 16MB) , copy that to a new file or delete everything after and you`ve got the new bios
                              All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

                                Comment

                                • Radoje17
                                  New Member
                                  • Nov 2021
                                  • 6
                                  • Serbia
                                  #8
                                  Thank you so much!

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