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el_gecko
Joined: 25 May 2005
Posts: 1553
Location: Nice, France
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 Posted: Fri Aug 29, 2008 4:16 am Post subject: About the i4040 |
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Hi all!
Collectors who already had looked for informations about Intel 4040 know how sources are rare and divergent. So I create this topic to collect docs, links and other related informations.
First, for collectors who have one or more in their collection: please also give us the older copyright/datecode you have, to determine if the chips was made from 1972 or 1974 
Good searches!
Jérôme
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smithy
Joined: 27 Apr 2008
Posts: 2906
Location: Sydney, Australia
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| Posted: Fri Aug 29, 2008 4:38 am Post subject: |
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I only have a P4040, copyright intel 74, datecode 8038 and a D4040, copyright intel 74, datecode 8117
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el_gecko
Joined: 25 May 2005
Posts: 1553
Location: Nice, France
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| Posted: Fri Aug 29, 2008 4:59 am Post subject: |
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My P4040 is from 8021 with a '74 copyright.
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el_gecko
Joined: 25 May 2005
Posts: 1553
Location: Nice, France
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| Posted: Fri Aug 29, 2008 5:03 am Post subject: |
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On the french community Deuttai.com, the older C4040 was made in 7525.
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faber
Joined: 18 Dec 2006
Posts: 315
Location: Poznan, Poland
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| Posted: Fri Aug 29, 2008 6:09 am Post subject: |
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| My P4040 : 8008 |
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Borris70
Joined: 24 Apr 2003
Posts: 988
Location: Germany
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| Posted: Fri Aug 29, 2008 2:42 pm Post subject: |
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my C4040: mfd 7609
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CPUShack
Joined: 16 Jun 2003
Posts: 34259
Location: State of Jefferson, USA
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jrmunro
Joined: 01 Feb 2003
Posts: 3149
Location: Vancouver, Canada
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| Posted: Fri Aug 29, 2008 6:29 pm Post subject: |
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Mine
P4040, copyright intel 74, datecode 8038 and a D4040, copyright intel 74, datecode 8117
John |
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spongiforme
Joined: 02 Aug 2006
Posts: 168
Location: Montpellier, France
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| Posted: Sat Aug 30, 2008 2:59 am Post subject: 7505 on eBay |
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| LZF has a purple C4040 for sale, marked 7505 ES |
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Cpuswe
Joined: 15 Mar 2005
Posts: 2214
Location: Karlskrona, Sweden
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debs3759
Joined: 18 Jan 2006
Posts: 9477
Location: Northampton, Divided Kingdom
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| Posted: Sat Aug 30, 2008 9:49 am Post subject: |
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Sadly, Jérôme wants dates,and the datecodes are on the bottom of the chips. The image database only shows the tops of the chips, which I always thought was keeping a certain amount of information hidden 
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Cpuswe
Joined: 15 Mar 2005
Posts: 2214
Location: Karlskrona, Sweden
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| Posted: Sat Aug 30, 2008 10:18 am Post subject: |
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Ok, i read "So I create this topic to collect docs, links and other related informations."
But i can remove pics if wanted.
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debs3759
Joined: 18 Jan 2006
Posts: 9477
Location: Northampton, Divided Kingdom
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| Posted: Sat Aug 30, 2008 10:28 am Post subject: |
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I think keeping my post brief meant I didn't say what I meant to. The images are good for some info (and that is what I think this threads is for), they just don't provide everything. I have always thought that to provide maximum info, it would be best (where possible, which is up to the owner of the chip...) to have pics of both top and bottom (and even sides, for large chips where that gives extra information).
If original owners of any of the above chips read this and are able to reply from where they are, it would be good to have dates for that range of packages and markings. I always saw different markings as being of historical interest, although never had all the info to interpret that data.
Dates for the ES could be especially useful
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wepwawet
Joined: 18 Mar 2004
Posts: 3019
Location: Seligenstadt - Germany
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| Posted: Sat Aug 30, 2008 10:34 am Post subject: |
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My C4040 has the datecode 7530, the ES I owned had no datecode
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You may use the photos I have posted here under CC BY-NC-SA license. |
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naked1300
Joined: 26 Jul 2007
Posts: 837
Location: Austria,
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| Posted: Sat Aug 30, 2008 11:15 am Post subject: |
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D4040 no copyrights mfd:7719 Philippines
D4040 (c) 74 , mfd: 8015 Philippines, dot on pin 1
D4040 (c) 74 , mfd: 8117 Philippines
P4040 (c) 74 , mfd: 8037 Philippines
i don´t have a C4040 
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