TT030 CA401146-001 REV.H

TT motherboards.
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krupkaj
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TT030 CA401146-001 REV.H

Post by krupkaj » Fri Jan 26, 2018 8:23 pm

Here are 2 versions of TT
20180121_104648.jpg
20180121_104648.jpg (3.14 MiB) Viewed 1015 times
20180121_104548.jpg
20180121_104548.jpg (3.24 MiB) Viewed 1015 times

Neffers
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Re: TT030

Post by Neffers » Fri Jan 26, 2018 8:56 pm

Add CA401146-001 REV.H in your title. It may help somebody some day 8-) There's nothing I can see on the first board but if you find info, add that too.
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rubber_jonnie
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Re: TT030 CA401146-001 REV.H

Post by rubber_jonnie » Sat Jan 27, 2018 1:22 pm

Title updated with part no/rev. :D
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Maeke
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Re: TT030 CA401146-001 REV.H

Post by Maeke » Sun Jan 28, 2018 10:01 am

first one is ca400770, it's written just besides what seems to be the cpu.
Edit; ah i see the same number on the second board, so it probably means nothing much
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francouai
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Re: TT030 CA401146-001 REV.H

Post by francouai » Sun Jan 28, 2018 3:19 pm

I see why...
TT-F and TT-E

OK... I'm out. :mrgreen:
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Icky
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Re: TT030 CA401146-001 REV.H

Post by Icky » Wed Feb 07, 2018 12:31 pm

Your REV.H board has a lot of wires running around the bottom IC's and to the CPU. I wonder what those are as my REV.H doesn't have these.

tuxie
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Re: TT030 CA401146-001 REV.H

Post by tuxie » Wed Feb 07, 2018 2:08 pm

These wires are a VME Patch, what every TT can have. Only what you have todo is "do it". This patch saves 1 Clock Cylce per Transfer so its a bit faster. Atari pubished this patch in some papers and is also available at dev-doc archive

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Icky
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Re: TT030 CA401146-001 REV.H

Post by Icky » Thu Feb 08, 2018 7:41 am

tuxie wrote:
Wed Feb 07, 2018 2:08 pm
These wires are a VME Patch, what every TT can have. Only what you have todo is "do it". This patch saves 1 Clock Cylce per Transfer so its a bit faster. Atari pubished this patch in some papers and is also available at dev-doc archive
Thanks Tuxie. I had a look and couldn’t find the document. If anyone has the link it would be appreciated.

vattari
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Re: TT030 CA401146-001 REV.H

Post by vattari » Thu Feb 22, 2018 2:29 pm

:dualthumbup: :dualthumbup: :dualthumbup:
Thanks for this post. I have a TT that needs some ICs replaced and this detailed enough to show what I need to do

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krupkaj
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Re: TT030 CA401146-001 REV.H

Post by krupkaj » Sun Feb 25, 2018 10:34 pm

it is great it helped you

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