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Author Topic: Sonnet crescendo 7200 on Amiga  (Read 10033 times)

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Offline MotormouthTopic starter

Sonnet crescendo 7200 on Amiga
« on: January 28, 2016, 04:33:15 AM »
I saw mention that sonnet crescendo 7200 were being used in amiga's with mediators in the "....crazy ebay postings" thread.

Is it this true!!!  Was this not what SharkPPC was going to be?

Did anyone here try this!

Did anyone attempt something similar with Prometheus?

Here is more information:
https://github.com/Sakura-IT/SonnetAmiga
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Offline Lurch

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Re: Sonnet crescendo 7200 on Amiga
« Reply #1 on: January 28, 2016, 07:53:38 AM »
interesting if this works. although doesn't mention the A1200
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Offline jj

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Re: Sonnet crescendo 7200 on Amiga
« Reply #2 on: January 28, 2016, 11:18:55 AM »
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Offline MotormouthTopic starter

Re: Sonnet crescendo 7200 on Amiga
« Reply #3 on: January 28, 2016, 11:52:46 AM »
Quote from: JJ;803057
http://eab.abime.net/showthread.php?t=76633


@JJ  This is a great thread.........

eab has kept its technical edge.
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Offline Iggy

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Re: Sonnet crescendo 7200 on Amiga
« Reply #4 on: January 28, 2016, 04:35:17 PM »
As these cards are virtually unobtainable I still wonder where this is going.
What next, build more Sonnet 7200s?
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Offline Niding

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Re: Sonnet crescendo 7200 on Amiga
« Reply #5 on: January 28, 2016, 05:29:45 PM »
Its all in his first post :)

Quote
First of all, I like to tinker with the software and the hardware side of Amigas. I know the discussion about this topic has tended to be in the direction of people questioning WHY you would want this as it would be slow etc etc. but that’s not the point. For me, it’s part of the hobby and I do it because I CAN do it.
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Offline Iggy

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Re: Sonnet crescendo 7200 on Amiga
« Reply #6 on: January 28, 2016, 07:51:51 PM »
@Niding

I get where he is coming from.
Personally I think it would be a neat option.
But I cannot find ANY of these boards in working order.

For those who have working Sonnet 7200s, and are pursuing this I can see the point of getting it working from a hobbyist standpoint.

But without the Sonnet boards, those following this that
want to duplicate it may be in for a disappointment.
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"Not making any hard and fast rules means that the moderators can use their good judgment in moderation, and we think the results speak for themselves." - Amiga.org, terms of service

"You, got to stem the evil tide, and keep it on the the inside" - Rogers Waters

"God was never on your side" - Lemmy

Amiga! "Our appeal has become more selective"
 

Offline B00tDisk

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Re: Sonnet crescendo 7200 on Amiga
« Reply #7 on: January 28, 2016, 09:26:28 PM »
Quote from: Iggy;803075
@Niding

I get where he is coming from.
Personally I think it would be a neat option.
But I cannot find ANY of these boards in working order.

For those who have working Sonnet 7200s, and are pursuing this I can see the point of getting it working from a hobbyist standpoint.

But without the Sonnet boards, those following this that
want to duplicate it may be in for a disappointment.


Yeah this is like one of those cases where someone builds a one-off hardware solution and never offers it or plans to make it to the public.  Hey, that's neat, but...
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Offline MotormouthTopic starter

Re: Sonnet crescendo 7200 on Amiga
« Reply #8 on: January 28, 2016, 10:56:52 PM »
The reason I am interested is I happen to have a PowerMac 7200 with a Sonnet crescendo 7200 fully populated with ram (if you think the sonnet is rare the ram for the sonnet and the 7200 is also very uncommon).
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Offline Iggy

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Re: Sonnet crescendo 7200 on Amiga
« Reply #9 on: January 28, 2016, 11:15:34 PM »
Quote from: Motormouth;803079
The reason I am interested is I happen to have a PowerMac 7200 with a Sonnet crescendo 7200 fully populated with ram (if you think the sonnet is rare the ram for the sonnet and the 7200 is also very uncommon).


That make you one of the lucky few that can consider this.
Cool.
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"Not making any hard and fast rules means that the moderators can use their good judgment in moderation, and we think the results speak for themselves." - Amiga.org, terms of service

"You, got to stem the evil tide, and keep it on the the inside" - Rogers Waters

"God was never on your side" - Lemmy

Amiga! "Our appeal has become more selective"
 

Offline MotormouthTopic starter

Re: Sonnet crescendo 7200 on Amiga
« Reply #10 on: January 28, 2016, 11:26:27 PM »
It was only luck.  I just picked the old powermac to play with MacOS and to network with my Amiga with Fusion and Emplant.  I was not thinking of the of the card.

The problem  is that I don't have a mediator.
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Offline Iggy

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Re: Sonnet crescendo 7200 on Amiga
« Reply #11 on: January 28, 2016, 11:34:30 PM »
Quote from: Motormouth;803081
It was only luck.  I just picked the old powermac to play with MacOS and to network with my Amiga with Fusion and Emplant.  I was not thinking of the of the card.

The problem  is that I don't have a mediator.


Get ready to be inundated by requests that you sell the card.
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"Not making any hard and fast rules means that the moderators can use their good judgment in moderation, and we think the results speak for themselves." - Amiga.org, terms of service

"You, got to stem the evil tide, and keep it on the the inside" - Rogers Waters

"God was never on your side" - Lemmy

Amiga! "Our appeal has become more selective"
 

Offline wawrzon

Re: Sonnet crescendo 7200 on Amiga
« Reply #12 on: January 28, 2016, 11:39:33 PM »
Quote from: Motormouth;803081
The problem  is that I don't have a mediator.

on the contrary. that is fortunate. because you can now buy yourself a current mediator model with extended voltage supply (i think it is an additional 3,3 volt rail) which is necessary for the sonnet. an old mediator like mine is not suitable for this without modifications.
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Offline MotormouthTopic starter

Re: Sonnet crescendo 7200 on Amiga
« Reply #13 on: January 29, 2016, 01:22:20 AM »
Quote from: wawrzon;803083
on the contrary. that is fortunate. because you can now buy yourself a current mediator model with extended voltage supply (i think it is an additional 3,3 volt rail) which is necessary for the sonnet. an old mediator like mine is not suitable for this without modifications.

Actually I have a Prometheus.  It has three problems with the sonnet amiga project:
1)  it would need the 3.3V hack
2)  it would need a hardware upgrade for busmastering
3)  It lags behind the mediator in the sonnet amiga project.

It looks like from the EAB thread that the project creators wanted to use Prometheus originally.....
« Last Edit: January 29, 2016, 01:27:09 AM by Motormouth »
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Offline wawrzon

Re: Sonnet crescendo 7200 on Amiga
« Reply #14 on: January 29, 2016, 01:48:50 AM »
Quote from: Motormouth;803085
Actually I have a Prometheus.  It has three problems with the sonnet amiga project:
1)  it would need the 3.3V hack
2)  it would need a hardware upgrade for busmastering
3)  It lags behind the mediator in the sonnet amiga project.

It looks like from the EAB thread that the project creators wanted to use Prometheus originally.....


afaik the hardware upgrade for busmastering was available from eab 's m.boehmer. i think it was tersters release. would have to look up a1k for this. 3.3 hack might be realized with some voltage converter or something, but then who knows if its wort the hassle. not for me, i must admit.
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