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ATARI STE TwiSTEr

General discussions or ideas about hardware.
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HigashiJun
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Re: ATARI STE TwiSTEr

Post by HigashiJun »

exxos wrote: Wed Jun 14, 2023 9:28 am Have you tried the 68000 CPU directly in the socket ?
Yes, that's what I did with 3 different CPUs.
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frank.lukas
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Re: ATARI STE TwiSTEr

Post by frank.lukas »

I once had similar problems with a Mega STE and I was looking for a fault and can not find one ... (habe mir einen Wolf gesucht)

With a thin and fine needle I went directly with the multimeter to the contacts on the PLCC 68k chip and not to the contacts of the PLCC socket. All looking good but I found a pin that had no or very last contact. So I order a gold atari like PLCC socket from BEST and the problem was fixed ...
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HigashiJun
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Re: ATARI STE TwiSTEr

Post by HigashiJun »

@frank.lukas

Do you remember if Best's sockets are also 8mm high ?
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exxos
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Re: ATARI STE TwiSTEr

Post by exxos »

@HigashiJun Another socket I have here (new) is ~8.1mm high, but it has "tabs" on the bottom I guess you could break off ? It would be 6.5mm then , BUT, you would need some card under the socket to stop the pins shorting out on the motherboard.
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HigashiJun
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Re: ATARI STE TwiSTEr

Post by HigashiJun »

exxos wrote: Thu Jun 15, 2023 10:58 am @HigashiJun Another socket I have here (new) is ~8.1mm high, but it has "tabs" on the bottom I guess you could break off ? It would be 6.5mm then , BUT, you would need some card under the socket to stop the pins shorting out on the motherboard.
Could you post a picture of it ?

Thanks.
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exxos
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Re: ATARI STE TwiSTEr

Post by exxos »

HigashiJun wrote: Thu Jun 15, 2023 11:08 am Could you post a picture of it ?
IMG_0667.JPG
IMG_0667.JPG (384.39 KiB) Viewed 1543 times
IMG_0666.JPG
IMG_0666.JPG (453.04 KiB) Viewed 1543 times
IMG_0665.JPG
IMG_0665.JPG (398.27 KiB) Viewed 1543 times
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frank.lukas
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Re: ATARI STE TwiSTEr

Post by frank.lukas »

BEST Gold ...

Gold_7,8mm.jpg
Gold_7,8mm.jpg (271.39 KiB) Viewed 1543 times
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HigashiJun
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Re: ATARI STE TwiSTEr

Post by HigashiJun »

Thank you guys !

@exxos

It's the same socket I got from Frank Lukas.

I still have another one but I am not really keen on soldering it, as I might encounter the same problem I had with the first one.

@frank.lukas

Looks good !

I will contact Bradley and ask him for a quote.
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frank.lukas
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Re: ATARI STE TwiSTEr

Post by frank.lukas »

HigashiJun wrote: Thu Jun 15, 2023 11:54 am I will contact Bradley and ask him for a quote.
Ask him it's the same 7,8mm height before you buy ...
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HigashiJun
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Re: ATARI STE TwiSTEr

Post by HigashiJun »

frank.lukas wrote: Thu Jun 15, 2023 11:59 am
HigashiJun wrote: Thu Jun 15, 2023 11:54 am I will contact Bradley and ask him for a quote.
Ask him it's the same 7,8mm height before you buy ...
Yes, I will.
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