system information tool
Spec Check - System Information Utility
Spec Check is a Free and Portable System Information Utility or tool created by Matthew Laverack. It can be used to display information about a computers hardware and software. Operating System Version/Service Pack/Serial/Product Key, Hard Drive/Motherboard/CPU/GPU/Network adapter info, Installed Codecs/Programs, and Running Services and much more can be displayed.
SIV - System Information Viewer Tool
SIV is a Portable System Information Tool that can be used to view hardware and software information related to the system it is being run from. For example, one could use it to display Windows info, Network info, Hardware device info, CPU info, PCMCIA info, PCI info, USB info, Hardware Sensors, Machine Info, Operating System Information and much more. Best of all, this System Information Tool can be carried with you on a portable USB device.