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joekster
Joined: 12 May 2011
Posts: 100
Location: Palm Beach, Florida USA
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 Posted: Sat Jul 25, 2015 7:31 am Post subject: Double-Stamped Intel 486 DX2 66mhz |
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Never seen an "error" like this before and google couldn't help me either.
The lid on the bottom has two "i66" stampings. The second one looks like it's stamped from the other side of the lid. Wouldn't think it's a faked chip as who would keep the same MHz??? Top of the chip looks normal. As a bonus, the chip works perfectly 
How about $100
Open to offers if the price is out of line. Shipping at cost - see www.usps.com |
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crusty_dog
Joined: 03 Apr 2015
Posts: 103
Location: Australia / Singapore
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| Posted: Sat Jul 25, 2015 8:50 am Post subject: |
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not that uncommon. The die caps were stamped both sides & sometimes the stamping from the other side showed through when more pressure was used than normal.
This also applies to late production 50MHz with i50 stamp on the die
Did a quick look at pictures on the forum and found other examples from this sale thread http://www.cpu-world.com/forum/viewtopic.php?t=24670
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joekster
Joined: 12 May 2011
Posts: 100
Location: Palm Beach, Florida USA
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| Posted: Sat Jul 25, 2015 9:08 am Post subject: |
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Thanks for the info! Well, at least google should now have a search result for "double-stamped 486" (this thread).
If anyone's still interested, shoot me an offer. |
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CPUShack
Joined: 16 Jun 2003
Posts: 34259
Location: State of Jefferson, USA
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