Hdd modules structure

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The modules in the hard drive are divided into:
ROM modules and Service area modules
We first learn about the types of modules, as modules are divided into three types


1- Important modules for operating the hard drive
If any of these modules are damaged, this affects the operation of the hard drive partially or completely. Examples include modules 01, 02, 03.


2- Functional modules
These modules have specific functions in the hard drive, and their damage does not affect the operation of the hard drive, like Module 28

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We return again to dividing the modules on the hard disk




Rom modules


The ROM consists of a group of modules, namely modules 0A, 0B, 0D, 30, 47, 4F. In addition, it is in the board.
1640 Above, two modules are added: 01, 20B.


Service area modules


After we got to know the ROM modules, we find that all the modules below that are included in the Service Area modules.
Such as module 01, module 02, overlays moules, and so on