Need Old SHIFTER version C025914-38

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ijor
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Need Old SHIFTER version C025914-38

Postby ijor » Mon Jul 02, 2018 9:41 pm

I need an old version of the SHIFTER chip. It has to be this part C025914-38. C025914-38A is not good for me, neither one of the newer ones like C070713. It could be C025914-20 as well. But that is the very first version of SHIFTER and it is quite rare.

I need it at the US, and because I am traveling it has to arrive in 15 days maximum. I don't mind paying shipping from Europe as long as it is affordable and it is fast enough.

Again, C025914-38A (note the extra "A"), the most common version of Shifter, is not the part I need.

Thanks,

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alexh
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Re: Need Old SHIFTER version C025914-38

Postby alexh » Tue Jul 03, 2018 7:32 am

czietz has one and Troed

viewtopic.php?f=15&t=31742
viewtopic.php?f=15&t=32918

You could ask this vendor to whom he sold this job lot including 11 * C025914-20 :

https://www.ebay.ie/itm/NEW-OS-Atari-52 ... 2846709300
Last edited by alexh on Tue Jul 03, 2018 7:43 am, edited 1 time in total.

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troed
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Re: Need Old SHIFTER version C025914-38

Postby troed » Tue Jul 03, 2018 7:40 am

I'm not sure - will need to open up the Mega* again but I think it's too new. I was just using -38 as shorthand for the non-IMP model there ...

(I have already checked my two oldest machines, a red-led 1040STF and a 520STM, and none of the had a non-A -38)

*) Hmm. I have two. Not sure I've ever looked that closely at the other ...

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alexh
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Re: Need Old SHIFTER version C025914-38

Postby alexh » Tue Jul 03, 2018 7:47 am

troed wrote:An IMP Shifter has been ordered [from Atarifreakz] and I will trace it as well.

Sounds like you bought one and perhaps it's now in a box somewhere?

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Re: Need Old SHIFTER version C025914-38

Postby czietz » Tue Jul 03, 2018 8:03 am

I have a -20 shifter, yes; though I'm not interested in selling. (I saw some interesting phenomena with it that I'd like to investigate further someday.) Iirc, I bought mine from Chandler. Maybe he's got more?

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alexh
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Re: Need Old SHIFTER version C025914-38

Postby alexh » Tue Jul 03, 2018 8:09 am

czietz wrote:Iirc, I bought mine from Chandler. Maybe he's got more?

It's not listed on his last "for sale" list but maybe

viewtopic.php?f=33&t=29116

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Re: Need Old SHIFTER version C025914-38

Postby troed » Tue Jul 03, 2018 8:13 am

alexh wrote:
troed wrote:An IMP Shifter has been ordered [from Atarifreakz] and I will trace it as well.

Sounds like you bought one and perhaps it's now in a box somewhere?


The IMP Shifters I have are C070713-002

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alexh
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Re: Need Old SHIFTER version C025914-38

Postby alexh » Tue Jul 03, 2018 8:15 am

Best Electronics have parts listed albeit with an O instead of a 0 no indication which revision. Might be worth a call

http://www.best-electronics-ca.com/custom-i.htm

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Re: Need Old SHIFTER version C025914-38

Postby ijor » Tue Jul 03, 2018 11:50 am

Thanks everybody for looking. The -20 parts are really rare. But I expect the -38 Shifter to be more common, even when obviously not as much as the -38A. And for this purpose I actually prefer the -38 version over the -20 one.

I will check Best Electronics.

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Re: Need Old SHIFTER version C025914-38

Postby Chandler » Wed Jul 04, 2018 7:46 am

If you get stuck i have some -20 i think somewhere

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Re: Need Old SHIFTER version C025914-38

Postby ijor » Wed Jul 04, 2018 12:13 pm

Chandler wrote:If you get stuck i have some -20 i think somewhere


@Chandler You have PM.


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