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gg1978
Joined: 31 Jul 2012
Posts: 1052
Location: Indiana, USA
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 Posted: Sat Oct 13, 2012 6:31 pm Post subject: Is this an 8085A ES? |
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| Did Intel label their early chip's ES as well? I've looked for other C8085A-2's, and this looks to be the oldest. 7804 being Week 4 of 1978, correct?? |
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Robev
Joined: 10 Mar 2006
Posts: 3693
Location: New Zealand
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| Posted: Sat Oct 13, 2012 6:40 pm Post subject: |
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Yes, I would think so
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The Older they are the Better they are. |
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gg1978
Joined: 31 Jul 2012
Posts: 1052
Location: Indiana, USA
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| Posted: Sat Oct 13, 2012 6:44 pm Post subject: |
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| Just realized i should have posted this in the vintage forum.. My bad!! :p |
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Chiefish
Joined: 23 Sep 2007
Posts: 2153
Location: Northwest N.J. U.S.A
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| Posted: Sun Oct 14, 2012 5:55 am Post subject: |
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looks l ike it is to me as well. Nice chip, congrats on finding that one.
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Twinrocket
Joined: 04 Apr 2012
Posts: 558
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| Posted: Thu Oct 18, 2012 6:26 am Post subject: |
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I can confirm that both C8085A and C8085A-2 and even C8086 (all purple ceramic) was released as Engeneering samples.
I have a C8085A (Purple ceramic) ES - but with no date code (I guess that makes it an earlier production than 7804).
It was bought from a retired Intel Engineer that also had a C8086 (Purple ceramic) ES. I didn't buy it because I thought $110 was too expensive. I wish I had known better. This was about 8-9years ago. It was listed on eBay but was not sold. I think it was evetually sold off eBay. Did anyone here buy it?
I have never seen a C8085 ES (or a C8086 ES) either before or after that.
Looking at George Phillips latest edtion(?)
"Vintage Intel Microchips 2007 4th Edition by George M. Phillips Jr."
There is actually a picture of a C8085A-2 ES H identical to the one shown above. When is the next edition due? |
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Chiefish
Joined: 23 Sep 2007
Posts: 2153
Location: Northwest N.J. U.S.A
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| Posted: Thu Oct 18, 2012 6:49 am Post subject: |
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I cant say I have ever seen an ES version of a C8086 either, only the R version I recently aquired.
Nor did I ever see an ES for c8085a-2 until now.
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