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Twinrocket



Joined: 04 Apr 2012
Posts: 35

PostPosted: Mon Apr 16, 2012 6:08 pm    Post subject: Reply with quote

Also interested in the C4040 but I guess it is already gone?
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Neon



Joined: 04 Feb 2008
Posts: 876
Location: Dallas, Texas, USA

PostPosted: Mon Apr 16, 2012 6:12 pm    Post subject: Reply with quote

16bitPM wrote:

As far as I can see, the metal is in good condition. The pins are much weaker than current chips, though...
What metal did they use anyway back in those days?

I think they used tin?
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johnorun



Joined: 04 Apr 2008
Posts: 2680
Location: Chicago, IL- US

PostPosted: Tue Apr 17, 2012 1:15 am    Post subject: Reply with quote

Neon wrote:
16bitPM wrote:

As far as I can see, the metal is in good condition. The pins are much weaker than current chips, though...
What metal did they use anyway back in those days?

I think they used tin?

The pins on the 4040's, and lots of other early DIP chips, are steel with gold plating. (Test with your magnet.)
BTW, Tin is a soft silvery metal used in solder and to plate the inside of steel ("TIN") cans so they don't rust. Tin also does not corrode and isn't magnetic.

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My collection list (growing) http://johnorun.x86-guide.com/en/collection.html
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16bitPM



Joined: 14 Apr 2012
Posts: 24

PostPosted: Tue Apr 17, 2012 9:29 am    Post subject: Reply with quote

Twinrocket wrote:
Also interested in the C4040 but I guess it is already gone?


No it's not.
You can still send me an offer by PM.
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Redeyeburn



Joined: 27 Jan 2012
Posts: 174
Location: Edmonton, AB, Canada

PostPosted: Sun Apr 29, 2012 9:39 am    Post subject: Reply with quote

It's been a few weeks now.

Who got which chip?
And which ones are still available?

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***My Trade List*** Updated May 30/2012.
WANTED: Intel Cpu's.
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16bitPM



Joined: 14 Apr 2012
Posts: 24

PostPosted: Sat Jun 16, 2012 7:00 am    Post subject: Reply with quote

Updated list available!
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kosmokrator



Joined: 03 Jul 2008
Posts: 3756
Location: Athens-GR

PostPosted: Sat Jun 16, 2012 9:49 am    Post subject: Reply with quote

Redeyeburn wrote:
It's been a few weeks now.

Who got which chip?
And which ones are still available?


hello my Friend ....Many time to see u Online .....
Hope u Are Ok ... i have Buy the C4040 Finally ... u can see it After Some Clean in My Update's ....

http://www.cpu-world.com/forum/viewtopic.php?t=13397&start=120
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16bitPM



Joined: 14 Apr 2012
Posts: 24

PostPosted: Mon Jun 18, 2012 10:44 am    Post subject: Reply with quote

kosmokrator wrote:
Redeyeburn wrote:
It's been a few weeks now.

Who got which chip?
And which ones are still available?


hello my Friend ....Many time to see u Online .....
Hope u Are Ok ... i have Buy the C4040 Finally ... u can see it After Some Clean in My Update's ....

http://www.cpu-world.com/forum/viewtopic.php?t=13397&start=120


Smile
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