hello everyone how are you

guys i want to read flash rom for seagate momentus 5400.6 because i want to swap that pcb so itry to match that donor pcb but problem is after swaping drive clicking so i think is that rom problem anyone can please help me how can i read this i try with stcom but stcom is not read please help me
TY

STcom doesn't work on F3 drives as for 5400.6.
The question is why you do want to swap the pcb?
What are the symptoms of the hard drive with the original pcb?
Do you feel motor spinning with original pcb?

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My firmware database:
https://mega.nz/folder/O01DkBRI