It's a small and very simple in usage dll providing on low level (No WMI, no Registry) access to general hardware informations about a computer and lets you build the ComputerID (or a few IDs as You wish) based on them. The library does its job very fast. Except the graphic card name (from driver) all information are read directly from hardware system.And all of it without administrator privilege. There are informations as follow:
HDDs informations: hdd count, model, serial, revision for all physical drives (not volumes like c, d,.. but physical drives) and additionally: tracks per cylinder, sectors per track, bytes per sector, cylinder count and logical drives created on each physical drive.