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iguana
Joined: 24 Apr 2007
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Location: Ottawa, Canada
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doccybrown
Joined: 03 Oct 2005
Posts: 1736
Location: Germany
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 Posted: Wed Jan 14, 2009 3:56 pm Post subject: |
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You`re right Igor, I cant remember having
seen a white "D"-chip before.... 
Misprint by Intel? However, very nice chips! 
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kosmokrator
Joined: 03 Jul 2008
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Location: Athens-GR
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| Posted: Wed Jan 14, 2009 3:59 pm Post subject: |
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woww.....
nice find!!! |
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Chiefish
Joined: 23 Sep 2007
Posts: 2153
Location: Northwest N.J. U.S.A
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| Posted: Wed Jan 14, 2009 4:17 pm Post subject: |
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Nice chips , i have never seen a d2708 either and anyof my searches of data bases show no d2708 hat i can find. Maybe it is a misprint or somthing, definatly a unique prom. Great find Iguana
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smithy
Joined: 27 Apr 2008
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Location: Sydney, Australia
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| Posted: Wed Jan 14, 2009 4:55 pm Post subject: |
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Is it fake? Intel print is very different to the C version - the "i" is much small and the copyright symbol is much bigger??
Interesting that the black dot isn't on pin 1, which is the normal convention. Very strange |
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debs3759
Joined: 18 Jan 2006
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Location: Northampton, Divided Kingdom
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| Posted: Wed Jan 14, 2009 5:24 pm Post subject: |
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Looks like it might be a refurb done by someone who did not understand the Intel numbering convention.
The "1" on pin 1 with the dot on pin 24 is a known package, it's just the print and part number that is not normal
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smithy
Joined: 27 Apr 2008
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Location: Sydney, Australia
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| Posted: Wed Jan 14, 2009 5:31 pm Post subject: |
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| debs3759 wrote: |
The "1" on pin 1 with the dot on pin 24 is a known package, it's just the print and part number that is not normal |
I never knew that. I find it irritating that a standard convention can never be followed (or one agreed to in the first place for such a simple issue) |
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debs3759
Joined: 18 Jan 2006
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| Posted: Wed Jan 14, 2009 6:24 pm Post subject: |
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I only know it because I checked The Collector’s guide to Vintage Intel Microchips, which shows it 
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Neon_WA
Joined: 08 Nov 2008
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Location: Margaret River, West Australia
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hugo929
Joined: 27 Oct 2006
Posts: 6163
Location: China
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| Posted: Wed Jan 14, 2009 6:47 pm Post subject: |
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the style with "1" on pin 1 might show that it is made very early than others. think the many different 8080 made by intel
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Chiefish
Joined: 23 Sep 2007
Posts: 2153
Location: Northwest N.J. U.S.A
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| Posted: Wed Jan 14, 2009 6:51 pm Post subject: |
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I have 7 varieties of the white c2708 and none of them have such a stubby I on them. I would have to say someone put that print on them not Intel. It probly looked like this one originally.
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CPUShack
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iguana
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