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Author Topic: Home grown A1200 accelerator project  (Read 16968 times)

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Offline Fransexy_

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Re: Home grown A1200 accelerator project
« Reply #44 from previous page: May 10, 2007, 07:37:52 PM »
Quote

AmigaNow wrote:
Does anyone in our community have the skills and tools such as hSpice or similar to design a new accelerator ourselves? I'm thinking of something similar to the Efika, with the same PPC, with maybe a 68060 @ 75Mhz, 2 Dimms for up to 2 GB Ram.

Would prefer to have it work like the Blizzard 1260+PPC. I noticed both are from the 603e family...

With the design in place, couldn't we contract the boards manufacture like the MiniMeg?

Also, would be great if Morphos could be ported to it. :-D

Lets take away the waiting and vaporware. Lets make this ourselves...

AmigaNow


I had more or less the same idea
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Offline AJCopland

Re: Home grown A1200 accelerator project
« Reply #45 on: May 10, 2007, 09:10:18 PM »
Quote

alexh wrote:
Quote
AJCopland wrote:
You seem to know a little about this sort of thing, how complicated would reworking the CT60/63 for the A1200 be?

You really think Rodolphe will release the source to his 680x0 SDRAM controller?

The Falcon bridge in the CT60/63 looks quite a bit more complicated than the Amiga equivalent would be.


Release the source? No maybe not, it's worth something to him and he seems to have put a lot of effort into it. Maybe he would be willing to licence it for a reasonable fee per board though?

I'm only proposing potential options to humour the original poster and satisfy some curiosity :-D

If the bridge (I assume you mean the connector) is much more complicated then would it be fair to assume that the task of porting the CT60/63 design to an A1200 connector would be simplified? Or would it be complicated by the lack of those extra signals and lines available on the Falcon?

Andy
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Offline stopthegop

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Re: Home grown A1200 accelerator project
« Reply #46 on: May 11, 2007, 06:10:51 AM »
Mathew from Amigakit is probably the best qualified to predict how many such boards might realistically sell.  I'm still guessing in the 300-400 range, perhaps more.    
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Offline Damion

Re: Home grown A1200 accelerator project
« Reply #47 on: May 11, 2007, 06:58:39 AM »
I've been reading up on the AmiJoe a bit, and, ha ha, it seems like this is exactly what the ACK A1200 card was patterned after (complete with mini-PCI and all).

Anyhow, Haynie seems to think the designer of AmiJoe was a pretty intelligent fellow. The board contained some custom logic, was a *very* complex design, and still had some bugs to iron out before production. Not to mention the software aspect. You would need a group of far above average hardware and software engineers to pull something like this off, some very expensive equipment, people who know how to use that equipment, etc.

Bottom line... my perspective: honestly, there is a greater chance of hell freezing over than another A1200 PPC turbocard release. Let alone with graphics, LOL. (Though it was a nice idea to keep my thoughts occupied for a few days at work.) A "basic" (by comparison) 680x0 card is somewhat more realistic.

At this point, I'd be perfectly content to settle with an '030 + SCSI card. ;-)

 

Offline adonay

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Re: Home grown A1200 accelerator project
« Reply #48 on: May 11, 2007, 08:22:23 AM »
Is it even possible to get amiga 1200 expantion connectors ? I wonder if it is possible to contact jens about that ... I have some homebrew projects i would like to experiment with but need that edge connector preferely more than one ....  Buying second hand Cheap  :lol: ram expantions and desolder wont do it ... As for production i think we will never see another ppc like the bppc .. I always dream i can make a improved one my self but i know it will stop at my lack of coding skills  :boohoo: As far as board design it can be done but it is sooooo complex. as saied before you most liketly need several skilled designers for such a project...

*edit* but for my own experiments and study i would like too obtain a few connector say 10x
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Offline alexh

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Re: Home grown A1200 accelerator project
« Reply #49 on: May 11, 2007, 08:52:25 AM »
Quote

AJCopland wrote:
If the bridge (I assume you mean the connector)

Nope I mean bridge. The Falcon bus and the Amiga bus are not 100% the same as the 680x0 bus and some logic must live between the two.

Quote
would it be fair to assume that the task of porting the CT60/63 design to an A1200 would be simplified?

Possibly. However other parts of the design may have been created to be optimal with the falcon bridge which might be sub-optimal with an Amiga bridge. Needs some more research. But as this is almost a pointless exercise (due to the number of 060 boards already in circulation) I doubt anyone will do it.

Quote

adonay wrote:
Is it even possible to get amiga 1200 expantion connectors ? I wonder if it is possible to contact jens about that ...

Yes, Jens has the tooling to make A1200 connectors. He made some for ACK who never paid him (according to Jen's blog).

Quote
adonay wrote:
*edit* but for my own experiments and study i would like too obtain a few connector say 10x

I would imagine that Jen's wouldnt supply less than 100. Most companies dont make less than 1000 when it comes to injection moulded connectors. Ask him, he may have some lying around.

When I made my CD32 FastRAM addon I could only get 3x connectors (free samples) without paying a fortune.
 

Offline AJCopland

Re: Home grown A1200 accelerator project
« Reply #50 on: May 11, 2007, 09:54:03 AM »
Quote

alexh wrote:
Quote

AJCopland wrote:
If the bridge (I assume you mean the connector)

Nope I mean bridge. The Falcon bus and the Amiga bus are not 100% the same as the 680x0 bus and some logic must live between the two.

Damn I really hoped you didn't mean a literal Bridge, might as well go for a full PPC chip if you've got to create a bridge to map between the two anyway. Didn't realise you were an ASIC engineer 'til I took a look at your profile :-)

I realise that no-one is likely to go ahead and create one, I'm just treating this as a mental exercise in the whys and wherefores ;-)

Quote

alexh wrote:
Quote
adonay wrote:
*edit* but for my own experiments and study i would like too obtain a few connector say 10x

I would imagine that Jen's wouldnt supply less than 100. Most companies dont make less than 1000 when it comes to injection moulded connectors. Ask him, he may have some lying around.

When I made my CD32 FastRAM addon I could only get 3x connectors (free samples) without paying a fortune.

I've just picked up a CD32 (and keyboard) did you release the design for your FastRAM addon?

Andy
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Offline AmigaNowTopic starter

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Re: Home grown A1200 accelerator project
« Reply #51 on: May 12, 2007, 03:17:50 AM »
Since the edge connectors could be a problem, how difficult would it be to make the accelerator on a PCI card like the Shark?
    And I have been thinking about the Intel type 060 accelerator. The board cost would be reduced as it would have just the socket waiting for a proc...
    Imagine like WinUae you could select from a menu which 680X0 cpu you wished, which would run at extreme speeds... :-D

AmigaNow
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Offline arnljot

Re: Home grown A1200 accelerator project
« Reply #52 on: August 19, 2007, 03:04:33 PM »
Quote

Quote
stopthegop wrote:
I, for one, would love to be able to slap a 512M DIMM into my A4000T so sign me up if someone qualified decides to build it! Question is, are there 149 others?

Make that 148! :)  


Now I guess we only need 147 others? :)
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Offline da9000

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Re: Home grown A1200 accelerator project
« Reply #53 on: January 12, 2008, 03:04:54 PM »
Quote

Donar wrote:
Quote
So, picture a 4 GHz Intel CPU doing nothing but 68k emulation. No Windows hogging resources in the background, no multitasking. Just one mission: Emulate the 68060 as fast at full speed.


Yeah a bicycle with a turbine can be really fun... but most people will be annoyed seeing it. Maybe take a less fast (and non intel) CPU for a "Classic" add on?  :-D


I think the phrase is not "people will be annoyed seeing it", but "the rider, along with the bicycle will experience a serious melt-down" :-D

OK, back to dreaming...

 

Offline justthatgood

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Re: Home grown A1200 accelerator project
« Reply #54 on: January 12, 2008, 03:22:37 PM »
I kinda liken the ideas of making advanced Amiga accelerators around the community to expert twelve and thirteen year old boys in lockers rooms and such. Most of them will say and think they are truly the most expert sexual physiologists, therapists, psychologists in their field to date.

Yet most of them have no idea at all what they are talking about. Usually the "experts" of the group will chime in with factual data they have researched (usually from the naughty films they sneak from their uncles movie collection), but it's basically all that results out of it, talk.

The very last real face to face conversation I had with a person about Amiga stuff resulted in me being asked if I was one of those insane nuts that have that Messiah complex. Yes most people in the computer industry and about think that most Amiga people are still stuck in the 1990's waiting for their Messiah to come back and lead them to computer Nirvana or something..

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Offline da9000

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Re: Home grown A1200 accelerator project
« Reply #55 on: January 12, 2008, 03:42:45 PM »
Hahaha. Nice metaphor AmigaHeretic!

But Amiga and accelerators is much better than pr0n! :-P
 

Offline thaddaeus

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Re: Home grown A1200 accelerator project
« Reply #56 on: January 26, 2008, 12:30:17 PM »
i like the whole DIY attitude . i have no engineerg education just a basic knowledge of low voltage electronics. i rember seeing articles on how to build your own sampler out of analog to digital converters and things like that. i started out with computers in 1980(i think) putting together a timex sinclair kit he ordered(quite a frustrating computer glad that C=64 came along a few years later)
is anyone else interested in realtime embeded controllers like the basic stamp, or the audrino or m68chc11(i used the pc dev pack from it but aminet had shareware for it. i have ideas for installation work using amiga 1200s, in tower cases, controlling sensors to do lights sound slideprojectors ect. (of course all this kind of gear exits already but it's all proprietary and expensive)
i was pretty simple with the commodore 64, just use peeks and pokes to the user port (i even just soldered telephone directy to the thing instead of using a connector for one art gallry project i did in chicago (unfortunatly my coding was terrible and i didn't have an eeprom burner to play with to really learn to use it well)

all i can do really well is draw anyways lol

thaddaeus
 

Offline Piru

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Re: Home grown A1200 accelerator project
« Reply #57 on: January 26, 2008, 12:37:17 PM »
@AmigaNow
Quote
Imagine like WinUae you could select from a menu which 680X0 cpu you wished, which would run at extreme speeds...

The emulated 68060 is faster than the real thing anyway.
 

Offline Oli_hd

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Re: Home grown A1200 accelerator project
« Reply #58 on: January 26, 2008, 01:40:43 PM »
Quote
i was pretty simple with the commodore 64, just use peeks and pokes to the user port

There is peek and poke programs for the Amiga which let you set the printer port (and obviously anything else) so the Amiga didnt make things any harder. :) (There was a nice piece in Amiga format about peeking and poking the Amiga's registers in a thing they did on the CIA chips, was well cool)
 

Offline ematech

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Re: Home grown A1200 accelerator project
« Reply #59 on: January 26, 2008, 09:01:34 PM »
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