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Trying to fix A1 CPU module
Quite a regular
Quite a regular


Hi all,

I'm dragging this one from AW.net (a bit more up-to-date and hopefully more coherent):

<b>Introduction</b>
The short story behind this post:
My cpu is broken and celebrated a year of waiting for replacement.
Before that AmigaOne was my main (solely used)computer. For a while I managed get along with
my trusty old A1200 but besides being an X11 terminal (browser/email) and music player it is not a solution anymore.
After realizing that a whole year passed I got sick of waiting for A1 cpu modules to materialise (too many false hopes and silences in Amiga scene).

The fact is that I'm not the only one with same problem so it would be cheapier to obtain modules in quantities bigger than one and to find someone to perform the fix.
I desided to stop waiting before the idle hardware becomes ancient and to do some research before starting to push things around. Some research was done without use of public forum and ( imho) at this stage this forum is the right place to go to.

<b>The plan</b>
The plan is to desolder the old cpu and resolder a new one. This requires that the daughterboard is intact and only the cpu is broken.
The cpus can be obtained and I am currently trying to contact a reseller (the have XPC7455RX933PC model, that is one of the models that came with A1s).

Replacing the CPU can be done in "comercial" rework facilities (I am currently checking some) or at home using hot air gun or other means (imho, less preferable option due to lower quality of equipment etc.).
An extensive description of DIY process of CPU replacement was kindly provided by Ole-Egil and Jean-Jacques from AmigaCenter. Note that, afaik, no home-made reeoldering of A1 CPU was performed so far. This seems to be last resort.

This thread is targeted mainly towards potential performers of the replacement and owners of modules with broken cpus who wish to fix them. Potential demand might attract skilled people capable of performing the task skill- and equipment-wise.

If you own a broken cpu module, have any comments (hopefully constructive) please post here, or PM/e-mail me.

TIA,
Jack

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Re: Hello
Not too shy to talk
Not too shy to talk


might as well make myself known too!

hi all!

/me waves

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Re: Slowly filling up in here
Amigans Defender
Amigans Defender


@All

The more the merrier as long as it all stays on track

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Re: I'm here too
Not too shy to talk
Not too shy to talk


@poweramiga and the others


THANKS

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Re: Epistula, any news ?
Amigans Defender
Amigans Defender


@Slash
good to hear your making progress looking forwards to next update

and welcome to amigans too

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Re: I'm here too
Amigans Defender
Amigans Defender


@ikir
good too see you here mate

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Re: I'm here too
Amigans Defender
Amigans Defender


@All
welcome to amigans

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Re: Amigans bug thread
Home away from home
Home away from home


Could the "posts per site" be upped to 20, please?

The site count for big threads would otherwise reach
ridiculous amounts...

Maybe even an option in the Account?

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Re: I'm here too
Home away from home
Home away from home


ikir

hehe, the gang is coming together

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Re: Amigans bug thread
Not too shy to talk
Not too shy to talk


Images gallery size limit is too low imho. It probably should be 250-300kb.

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Re: I'm here too
Not too shy to talk
Not too shy to talk


Could you increase images gallery size limit? Like 250-300kb

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Re: Epistula, any news ?
Not too shy to talk
Not too shy to talk


It sounds to me a good progress anyway.

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Re: Has anyone invited the Friedens here.
Supreme Council
Supreme Council


http://88.198.23.14/userinfo.php?uid=27
http://88.198.23.14/userinfo.php?uid=28



And yes, a user list/search thingie is on the todo list.

Vacca foeda. Sum, ergo edo

Mr Bobo Cornwater
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Has anyone invited the Friedens here.
Not too shy to talk
Not too shy to talk


Hopefully this site is one that they can feel relaxed about posting at. That is when they have time of course.

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Re: Slowly filling up in here
Just popping in
Just popping in


Filling? Ill have cheese and ham please!

Out of all the things I've lost I miss my mind the most.
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Re: Slowly filling up in here
Just popping in
Just popping in


And now it's 63.

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Re: Slowly filling up in here
Not too shy to talk
Not too shy to talk


@Rudie

every post here is one less elsewhere perhaps

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Re: Slowly filling up in here
Not too shy to talk
Not too shy to talk


I think we need a bigger box!

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Re: there goes the nieghbourhood
Just popping in
Just popping in


LOL @ Outcast.. Naah!. ;)

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Re: Epistula, any news ?
Just popping in
Just popping in


Glad you're still progressing with it Slash, even if only slowly. Keep up the good work, your efforts are very much appreciated and eagerly awaited!

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