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Author Topic: Home grown A1200 accelerator project  (Read 17066 times)

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Offline skurk

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Re: Home grown A1200 accelerator project
« on: May 09, 2007, 08:52:37 PM »
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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.


OK, here's a crazy thought:

A CPU accellerator board with an Intel CPU.  Before you all start kicking and screaming, let me explain.

The whole thing should behave like a 68060, because it's basically a CPU emulator.  No Intel instructions are available from the Amiga.

The board also holds 128MB RAM which behaves like the fastram, and is accessible at the board's local bus speed.  The chipram, located on the Amiga motherboard, will be as slow as before.

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 at full speed.

I would not be surprised if something like this would measure in the neighbourhood of a 7-800 MHz.  Only stuff in fastram would truly gain from this, but still - things would be *a lot* faster.

Hell of a project, though.
Code 6502 asm or... DIE!!

[C64, C128, A500, A600, A1200, A3000, MBP+Mini, Efika/MOS2.1, Sam440 w/AOS4.1
 

Offline skurk

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Re: Home grown A1200 accelerator project
« Reply #1 on: May 09, 2007, 09:13:35 PM »
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Donar wrote:
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


Sure, I know it's blasphemic, but Intel does offer the "most bang for the buck" at the moment. :)

Anyway, I know it might not even be plausible, but still - a crazy, but fun thought :)
Code 6502 asm or... DIE!!

[C64, C128, A500, A600, A1200, A3000, MBP+Mini, Efika/MOS2.1, Sam440 w/AOS4.1
 

Offline skurk

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Re: Home grown A1200 accelerator project
« Reply #2 on: May 10, 2007, 10:21:28 AM »
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alexh wrote:
That would barely pay the license for the PCB layout tools and the tooling costs for the A1200 connector. You can forget about the salary of the person doing the work.


How about royalties?  That could make a neat sum after if, say, 200 boards were sold.

Oh, and it should have two connectors (selectable with a jumper) - one for the A1200, the other for A4000 :)

Double the action, triple the excitement!
Code 6502 asm or... DIE!!

[C64, C128, A500, A600, A1200, A3000, MBP+Mini, Efika/MOS2.1, Sam440 w/AOS4.1
 

Offline skurk

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Re: Home grown A1200 accelerator project
« Reply #3 on: May 10, 2007, 10:25:20 AM »
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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! :)
Code 6502 asm or... DIE!!

[C64, C128, A500, A600, A1200, A3000, MBP+Mini, Efika/MOS2.1, Sam440 w/AOS4.1
 

Offline skurk

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Re: Home grown A1200 accelerator project
« Reply #4 on: May 10, 2007, 01:49:35 PM »
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Ratte wrote:
http://www.a1k.org/forum/index.php?mode=viewthread&forum_id=2&thread=334
sorry, its in german :)


Wow.  You had the exact same idea, nearly exactly one year before me.

What are the odds? :)
Code 6502 asm or... DIE!!

[C64, C128, A500, A600, A1200, A3000, MBP+Mini, Efika/MOS2.1, Sam440 w/AOS4.1