The latest version : 1.0, update date: 5 Jan. 2008

 TrueDiskID is a Win32 utility for reading the manufacturor's information from your hard drives. It runs under Windows 9X, Win NT, Win 2K and Win XP (Pro/Home).

 Tips: Integrated Drive Electronics (IDE) hard disks have been around for quite a few years.  Prior to these drives, hard disks were interfaced to a PC motherboard via an expansion board known as a hard disk controller.  The drive did most of the mechanical stuff and performed basic electronic/servo functions; the controller told it in detail what to do.  The development of the IDE hard moved most of the electronics and firmware (low-level software on a chip) from the controller to a printed circuit board on the drive itself.  In the process, a buffer/cache' memory was added to the electronics to speed-up the process of reading and writing hard disk drive data.  The drive got "smarter."  Overall costs went down and performance went up.
 

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Get full source code with TrueDiskID package and use if with your hope.
You are allowed to use the product and source code outside your organization or distribute the product as part of your own software.

"A great program to get hard disk serial number. We've been using it in my shareware Thank you!."  -- from  Jeter Xiuges (Jan, 19, 2008)

"A great source code,  thank you a lot." -- from Joie Pulanduo (Jan 2, 2008)