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I was once looking for a used Intel Core2Duo processor on eBay, not sure, I think it was the E6300, 7x266Mhz, great FSB overclocking potential, and then settled on buying a CPU that was advertised as such, but its lid had "Intel Confidential" on it.

IDK, did the seller delid and relid it with something exotic? Or did I snag one of the first prototypes? What was up with that lid? Does anyone have a clue?

MB identified an E6300, and it had amazing overclocking potential, it went 7x333Mhz without any voltage increase. Not sure what the max was, but considering only a few people were bidding on it (I'm guessing most were turned away due to that lid), I was quite lucky to get a CPU with a lot of potential for very little cash.




I've had Intel engineering samples from work (we got them under NDA and such). They were tossing some Sandy Bridge engineering samples at some point and let us take them home. The hardware was buggy and didn't get microcode updates IIRC. The case and mobo was leaf blower loud and very unwieldy. I could run Linux for a few hours before it would segfault. I ended up trashing it. So I don't think an Intel engineering sample is better, I think it is worse.


Did those have "Intel Confidential" on them?

The CPU I bought was working fine though, the seller guaranteed it and he had the reputation on eBay to back it.

My (possibly) naive logic then, was that an early sample was likely to be made from the best silicon, which often correlates with good OC potential...



Take a look at the picture in the Intel Slashes Prices article posted here. It has "Intel Confidential" etched on it.


> https://news.ycombinator.com/item?id=21132809

Yep, that's exactly it, except it was Core2Duo, IDK, must've been around 2009 or so, when I bought it used.




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