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Mizutsuki Raki
Joined: 23 Mar 2014
Posts: 59
Location: Seoul, Korea
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 Posted: Wed Dec 03, 2014 3:06 am Post subject: INS4003, soldered on board |
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INS4003, soldered on board.
Not rare item. But I bought this for my collection.  |
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CPUShack
Joined: 16 Jun 2003
Posts: 34259
Location: State of Jefferson, USA
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kosmokrator
Joined: 03 Jul 2008
Posts: 4085
Location: Athens-GR
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| Posted: Wed Dec 03, 2014 5:26 pm Post subject: |
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And the cpu of this calculator????
Show us the all board |
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Mizutsuki Raki
Joined: 23 Mar 2014
Posts: 59
Location: Seoul, Korea
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| Posted: Wed Dec 03, 2014 9:20 pm Post subject: |
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| kosmokrator wrote: | And the cpu of this calculator????
Show us the all board |
4003 is a shift register, for control the I/O signal.
I bought this one only on eBay, so I don't have full calculator board. |
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kosmokrator
Joined: 03 Jul 2008
Posts: 4085
Location: Athens-GR
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| Posted: Thu Dec 04, 2014 3:23 am Post subject: |
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| ok Thanks ! |
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lhf_james
Joined: 17 Oct 2008
Posts: 337
Location: Nanjing China
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| Posted: Thu Dec 04, 2014 4:43 am Post subject: |
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Should not be a calculator. As far as I know, it is from a RACAL DANA 9000 counter.
_________________
Tracing 4004 all over the world |
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Guest
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| Posted: Thu Dec 04, 2014 5:54 am Post subject: |
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| lhf_james wrote: | | Should not be a calculator. As far as I know, it is from a RACAL DANA 9000 counter. |
Wow, I didn't know that. |
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Mizutsuki Raki
Joined: 23 Mar 2014
Posts: 59
Location: Seoul, Korea
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| Posted: Thu Dec 04, 2014 5:56 am Post subject: |
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| Uh-oh... Not logged in... |
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kosmokrator
Joined: 03 Jul 2008
Posts: 4085
Location: Athens-GR
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| Posted: Fri Dec 05, 2014 3:16 pm Post subject: |
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wow you have right...the other buttons except numbers isn't looking is from calculator...hehehe
You have right lhf_james |
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monoxrom
Joined: 05 Sep 2008
Posts: 357
Location: Ukraine. Ivano-Frankivsk
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| Posted: Sat Dec 06, 2014 12:11 pm Post subject: |
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dude, what is interesting at this board and 4003 chip?
i think this is scrap 
0.10$ - 1 kg
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retro-pc.blogspot.com - my blog |
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Mizutsuki Raki
Joined: 23 Mar 2014
Posts: 59
Location: Seoul, Korea
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| Posted: Sat Dec 06, 2014 12:15 pm Post subject: |
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| monoxrom wrote: | dude, what is interesting at this board and 4003 chip?
i think this is scrap
0.10$ - 1 kg |
Yes, it's just a kind of scrap board
But it has INS4003, and can cost $10 |
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