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Chiefish
Joined: 23 Sep 2007
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Location: Northwest N.J. U.S.A
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 Posted: Sun Apr 20, 2008 9:56 am Post subject: Lets start a Only One Known thread |
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I am curious as to how many chips we might have that are one of a kind samples, I know i have seen some sweet chips that are truly one of a kinds floating around so maybe we can get a chunk of them posted in this thread to make things a little easier to find. It doesnt matter to me what brand or model the chip is as long as its believed to be one of a kind  I personally have a couple that i have never seen anywhere else before so ill start with them. I have seen plenty of the am29517 chips but never on an adapter board, and the 50/50 chip never seen another one in the sx package. What other interesting stuff do you guys have?
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hugo929
Joined: 27 Oct 2006
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Location: China
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| Posted: Sun Apr 20, 2008 9:59 am Post subject: |
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I am pretty sure there are plenty of ONLY ONE KNOWN chips exist, but the question is how we could prove that it is the only one ever and forever.
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Chiefish
Joined: 23 Sep 2007
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Location: Northwest N.J. U.S.A
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| Posted: Sun Apr 20, 2008 10:03 am Post subject: |
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The key word in that post is BELIEVED, As for weather or not they will stay that way forever is kind of silly since more and more chips are being discovered every day. We dont need to prove that they are for a fact the only one in existense, but if we post them up and look around and find another then we can rule out the ones that do have doubles at least.
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wepwawet
Joined: 18 Mar 2004
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Location: Seligenstadt - Germany
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| Posted: Sun Apr 20, 2008 11:54 am Post subject: |
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Jupp, let's show up some nice ones - even if they are posted somewhere else too:-)
my latest additions here are:
SGS F8 Zebra. I've really never seen this one anywhere.
And making a 2616 out of a 2716 by painting the glass is so silly I am pretty sure Intel didn't do that very often. I am sure this is much rarer than a 4004 - what doesn't mean it must be more worth:-)
 [/url]
btw, I started a similar thread years ago:-)
http://www.cpu-world.com/forum/viewtopic.php?t=2164 |
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el_gecko
Joined: 25 May 2005
Posts: 1553
Location: Nice, France
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| Posted: Sun Apr 20, 2008 12:00 pm Post subject: |
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You're right 
I'd never seen some of my chips (even if I'm sure that I'm not the only lucky guy to have them). So, how many collectors have one of these chips in their collection?
DEC VAX Mariah:
DEC VAX NVAX:
Fujitsu Pentium:
HP 5061-3001:
Hitachi Pentium:
IBM PowerPC 405LP:
IBM PowerPC 750CXe:
IDT MIPS 4700 CQFP:
Sun UltraSPARC IIi MCM:
Hope we will see nice chips here
Jérôme
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CPUShack
Joined: 16 Jun 2003
Posts: 34259
Location: State of Jefferson, USA
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| Posted: Sun Apr 20, 2008 12:08 pm Post subject: |
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| wepwawet wrote: | Jupp, let's show up some nice ones - even if they are posted somewhere else too:-)
my latest additions here are:
And making a 2616 out of a 2716 by painting the glass is so silly I am pretty sure Intel didn't do that very often. I am sure this is much rarer than a 4004 - what doesn't mean it must be more worth:-)
[/url]
btw, I started a similar thread years ago:-)
http://www.cpu-world.com/forum/viewtopic.php?t=2164 |
Actually the 2616 was pretty commonly made by paintinf over the window of an EPROM.
The 2608 was made the same way (though often with merely a sticker over the window)
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wepwawet
Joined: 18 Mar 2004
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Location: Seligenstadt - Germany
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| Posted: Sun Apr 20, 2008 12:28 pm Post subject: |
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Were they markes "6" as second digit?
Why is there no in georges guide?
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Chiefish
Joined: 23 Sep 2007
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| Posted: Sun Apr 20, 2008 12:40 pm Post subject: |
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I like the SGS F8 Zebra Wepawet, looks like a few AMis i have. And Gecko i like that HP 5061-3001.
Heres a prom made by Maxtor and a G.E. Es, i dont see many G.E chips around not to mention being an ES.
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debs3759
Joined: 18 Jan 2006
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Location: Northampton, Divided Kingdom
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| Posted: Sun Apr 20, 2008 12:52 pm Post subject: |
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| wepwawet wrote: | | Were they markes "6" as second digit? |
The "6" means "PROM"
| Quote: | | Why is there no in georges guide? |
It is in the 3rd edition.
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Qwerty
Joined: 20 May 2005
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Cpuswe
Joined: 15 Mar 2005
Posts: 2214
Location: Karlskrona, Sweden
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| Posted: Sun Apr 20, 2008 12:59 pm Post subject: |
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| el_gecko wrote: | You're right
I'd never seen some of my chips (even if I'm sure that I'm not the only lucky guy to have them). So, how many collectors have one of these chips in their collection?
Boxed Pentium 90MHz:
Jérôme |
Got that one! (Did not know that it was rare though, one of the first chips i bought from ebay in 2005)
Moderator: Perhaps this thread should fit better in "Modern Chips (Collectible Chips only)" than "Vintage chips"? Or two separate threads with a age divider?
/T
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wepwawet
Joined: 18 Mar 2004
Posts: 3019
Location: Seligenstadt - Germany
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| Posted: Sun Apr 20, 2008 1:10 pm Post subject: |
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| debs3759 wrote: | | wepwawet wrote: | | Were they markes "6" as second digit? |
The "6" means "PROM"
| Quote: | | Why is there no in georges guide? |
It is in the 3rd edition. |
yeah in contrary to 7 EPROM with no paint.
ok, I'd get the 3rd edition:-) |
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chipcollector
Joined: 28 Sep 2004
Posts: 1681
Location: New England
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| Posted: Sun Apr 20, 2008 2:46 pm Post subject: |
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Intel M8008 with groundstrap, traces
Military Intel 486 w/ higher temperature rating
100MHz ES gold capped pentium
75MHz gold capped pentium ES, except with P54C marking
Only ones that exist, amongst collectors we know, not necessarily the world (no one can know that )
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chipcollector
Joined: 28 Sep 2004
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Location: New England
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debs3759
Joined: 18 Jan 2006
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| Posted: Sun Apr 20, 2008 4:04 pm Post subject: |
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| chipcollector wrote: | I think this is a 486 ES with a P23T marking
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It's a 486DX2-50 overdrive. Can't remember what site I got the part details from though (but I have seen it somewhere, and it had been tested).
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