Data recovery and disk repair questions and discussions related to old-fashioned SATA, SAS, SCSI, IDE, MFM hard drives - any type of storage device that has moving parts
July 18th, 2024, 4:40
This hdd just spins that's all not detected on This pc and devmanager any help??
image hosting
image hostingTerminal Log for reference :
Diagnostic Port Locked
TCC: 0026
TCC: 0026
TCC: 0027
TCC: 0027
July 18th, 2024, 11:03
You don't have the tools to work with this disk, and you can't do anything without unlocking the ROM.
July 30th, 2024, 13:45
Someone make a Diagnostic Port Unlocker utility using without pc3000 or mrt
July 30th, 2024, 13:58
How much?

The terminal blocking made DR's work easier by blocking the CC fly swatters.
July 30th, 2024, 14:09
Who are the cc fly swatters here anyway??
July 30th, 2024, 14:22
Who treats HDD Led CC through the terminal...
July 31st, 2024, 0:05

:lol:
October 22nd, 2025, 2:10
Will i be able to read the rom and unlock the diagnostic port for this hdd using ch341a programmer?? Is there any guide to unlock the diagnostic port by reading the rom using ch341a and unlock diagnostic port using hex editors??
October 22nd, 2025, 7:13
M041633n wrote:Will i be able to read the rom and unlock the diagnostic port for this hdd using ch341a programmer?? Is there any guide to unlock the diagnostic port by reading the rom using ch341a and unlock diagnostic port using hex editors??
You will be able to read it no problem, but you will need a tool such as MRT or PC3K to unlock the ROM. I'm sure there are people who can unlock it using hex editor, etc. But I imagine it took them a fair bit of work to figure out how, so getting that information shared will be another thing entirely.
October 22nd, 2025, 7:58
Can I able to get unlocked rom file from hddguru or any other websites??
October 22nd, 2025, 9:38
M041633n wrote:Can I able to get unlocked rom file from hddguru or any other websites??
The ROM is individual to each Seagate drive. You need to read, unlock and write back original ROM.
October 22nd, 2025, 10:02
Can you teach me how to unlock the rom (Diagnostic Port Locked) with a hex editor.
October 22nd, 2025, 13:25
October 22nd, 2025, 18:33
The post is not updated since March 2023.
October 22nd, 2025, 18:34
What about shorting the pins will it unlock the diagnostic port!
October 28th, 2025, 16:39
it is way more complicated than that. Eventually it is not even the rom that needs to be unlocked.
pepe
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