questions about Intel 287
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Malyshh



Joined: 31 Jan 2008
Posts: 424
Location: Ukraine, Kiev

PostPosted: Thu Jan 31, 2008 4:42 am    Post subject: questions about Intel 287 Reply with quote

I have several 287s, but they have the same serial numbers - L0070767 and L9500025! Are they fakes?

And I have 287-10

Is it a fake too?
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gshv



Joined: 01 Feb 2003
Posts: 7898
Location: Fairfax, VA USA

PostPosted: Thu Jan 31, 2008 10:50 am    Post subject: Re: questions about Intel 287 Reply with quote

Malyshh wrote:
I have several 287s, but they have the same serial numbers - L0070767 and L9500025! Are they fakes?

I don't think those are fakes. L0070767 is a lot number, not serial number, so you may have multiple chips with the same Lxxx number.

Quote:
And I have 287-10

Is it a fake too?

This one looks like fake.

--
Thank you!

Gennadiy
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T-HEX



Joined: 11 Apr 2006
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Location: Nikolaev, Ukraine

PostPosted: Fri Feb 01, 2008 3:55 am    Post subject: Re: questions about Intel 287 Reply with quote

gshv, and what about grinding on two lower chips?
First of them have printed specs, but not engraved.

Second looks identical to my one:


I think, they also fake.

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JAC



Joined: 24 Jul 2005
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PostPosted: Fri Feb 01, 2008 4:48 am    Post subject: Reply with quote

Yes, that looks fake.
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Malyshh



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PostPosted: Fri Feb 01, 2008 5:13 am    Post subject: Reply with quote

It means, I don't have original chips?
If these chips are fakes, how original chips look. And what is the difference between them?


Last edited by Malyshh on Fri Feb 01, 2008 11:08 am; edited 2 times in total
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JAC



Joined: 24 Jul 2005
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PostPosted: Fri Feb 01, 2008 6:05 am    Post subject: Reply with quote

Here are some of mine.

http://cpustack.enci.com/intel287.shtml

The D prefix are at the end of the screen. I have more to scan, just I am too lazy Very Happy


Take a look on here also:

http://www.chipdb.org/cat-287-703.htm
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Malyshh



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PostPosted: Fri Feb 01, 2008 7:38 am    Post subject: Reply with quote

This (http://www.chipdb.org/img-intel-d80287-10-2044.htm) chip looks like my Smile
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Cpuswe



Joined: 15 Mar 2005
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Location: Karlskrona, Sweden

PostPosted: Fri Feb 01, 2008 7:45 am    Post subject: Reply with quote

Malyshh wrote:
This (http://www.chipdb.org/img-intel-d80287-10-2044.htm) chip looks like my Smile


(A note: The chips at chipdb.org are not verified in any way. There are probably many not known fakes in the database. If a fake is found it is moved to http://www.chipdb.org/cat------fakes------1.htm )

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hugo929



Joined: 27 Oct 2006
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PostPosted: Fri Feb 01, 2008 7:54 am    Post subject: Reply with quote

Malyshh wrote:
This (http://www.chipdb.org/img-intel-d80287-10-2044.htm) chip looks like my Smile

i dont think this is fake

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gshv



Joined: 01 Feb 2003
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Location: Fairfax, VA USA

PostPosted: Fri Feb 01, 2008 9:57 am    Post subject: Re: questions about Intel 287 Reply with quote

T-HEX wrote:
gshv, and what about grinding on two lower chips?
First of them have printed specs, but not engraved.

Second looks identical to my one:


I think, they also fake.

It was difficult to see from the picture whether the chip surface was sanded or not. If it was then it is probably a fake.

Malyshh wrote:
It means, I don't have original chips?

First 4 chips on your first picture look good, I think they are genuine ones. Can you take post a closeup picture of the two bottom chips?

Gennadiy
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Malyshh



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PostPosted: Fri Feb 01, 2008 3:11 pm    Post subject: Reply with quote




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JAC



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PostPosted: Fri Feb 01, 2008 3:15 pm    Post subject: Reply with quote

They both look sanded down and reprinted.
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gshv



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PostPosted: Fri Feb 01, 2008 4:53 pm    Post subject: Reply with quote

Yes, they're both fakes.

Gennadiy
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Malyshh



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PostPosted: Fri Feb 01, 2008 4:58 pm    Post subject: Reply with quote

Gennadiy
Why?
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CPUShack



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PostPosted: Fri Feb 01, 2008 7:27 pm    Post subject: Reply with quote

look at how poorly the 'i' is printed, as well as the date code on the top being 3 years off from the bottom
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