CPU-Z (Freeware)

[F1]

Here's another oldie but goodie....

Gathers information on some of the main devices of your system. CPU - Name and number. Core stepping and process. Package. Core voltage. Internal and external clocks, clock multiplier. Supported instructions sets. Cache information. Mainboard - Vendor, model and revision. BIOS model and date. Chipset (northbridge and southbridge) and sensor. Graphic interface. Memory - Frequency and timings. Module(s) specification using SPD (Serial Presence Detect) : vendor, serial number, timings table. System - Windows and DirectX version.....

Link Courtesy Of Shell Extension City

CPUID.Com

[Gizmokid2005]

Another oldie but goodie!!