Is it possible to read something by hot swap?
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Terminal will be locked until you read the ROM and unlock it.
These drives have dual ROM In a RAID configuration that PC3K can unlock and re-assemble, but they need to be removed and read with a particular reader.
Until you read the ROM and unlock it and get a terminal output there is little you can do.
However I doubt it’s a ROM issue.
What happened to the drive, was it dropped?
When you say ‘boot loop’, what do you mean?
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Hello,
Due to a high service workload, my response was delayed.
The drive did not fall, as previously suggested. The user reported there was an unexpected power loss, and after that the HDD began showing failures and no response during data access attempts.
Initially, it looked like a translator failure, due to the lack of logical access.
However, during startup, the drive spins up, the heads load, and then it enters a repetitive cycle. The terminal displays:
“Flash boot code Digital Signature Verification failure / checksum failure”
After this message, the drive automatically restarts, repeats “Motor started / Heads loaded / HPSR”, and returns to the same point without allowing access to the F3 T> prompt.
That is why I described it as a “boot loop”.
There are no signs of mechanical damage — the spindle and preamp are detected correctly. The pattern indicates a failure in the bootcode stored in the PCB’s NAND, which is not passing digital signature verification. Reading a donor SPI ROM will help confirm this.
I also have the latest version of MRT, fully compatible with this HDD model and equipped with the hardware required to extract firmware from both ROM chips (SPI and NAND).
I will proceed with extracting the firmware from both chips and perform the unlocking process. I will send the results as soon as possible.
Thank you.
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