Pentium works on Windows and Intel Pentium class and AMD CPUs to determine the CPUID information such as the vendor, brand/model, step, model, instruction set family, cpu serial number, and the RDTSC Time stamp register for high resolution timing measured in CPU cycles since the last boot. It is designed to be incorporated in your own Java progams. You can also use it as a standalone utility with: java.exe -jar pentium.jar The nativepentium.dll must be on the path, e.g. in the current directory. In JDK 1.5, the DLL can be in the jar so long as it has no package path. Pentium is licensed as freeware, full size of the download is 0.56 MB. You can download a free version of Pentium by following download link at Free Downloads section of this page. Pentium is developed or distributed by Canadian Mind Products and is listed under web development::java & javascript.