Green: Manufacture Year
Red: Manufacturer, CPU Type
Orange: Wafer thickness, Serial, Location Manufactured
Blue: CPU Speed, Cache, Front Side Bus
White: Unique CPU ID / Serial Number ( Batch number )
Unique Serial number of CPU + Board
So from the info on this CPU we can tell it made in 2005, it's a Core 2 Duo, using a 65nm wafer thickness, made in Malaysia, with a speed of 1.86GHZ and a 2MB Cache on a 1066Mhz front side buss.
This info has been on every intel CPU for the past 10 years at least. I know P2's had it and P1's in one way or another. Some might be harder to find as it's smaller
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