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68060 board for the NeXT slab
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barcher174



Joined: 07 Dec 2012
Posts: 545

PostPosted: Mon Dec 21, 2015 11:46 am    Post subject: Reply with quote

Wow, wish I would have seen this.
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jvernet



Joined: 02 Jan 2006
Posts: 77

PostPosted: Wed Dec 23, 2015 3:33 am    Post subject: Reply with quote

New Ebay iTem:
Here
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jroark



Joined: 17 Feb 2012
Posts: 75
Location: San Francisco, CA

PostPosted: Wed Dec 23, 2015 7:00 pm    Post subject: Reply with quote

jvernet wrote:
New Ebay iTem:
Here


That was quick. Did someone here get it?
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barcher174



Joined: 07 Dec 2012
Posts: 545

PostPosted: Wed Dec 23, 2015 7:04 pm    Post subject: Reply with quote

Not me. Sad
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pentium



Joined: 23 Jun 2006
Posts: 1138
Location: Kamloops, BC

PostPosted: Sat Dec 26, 2015 10:02 am    Post subject: Reply with quote

Looking at the other stuff the guy has for sale, I'm sure someone in the amiga crowd swooped in before any of us even knew what was happening.
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-NeXT 68040 Cube with NS 3.3 and 64Mb ram
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chrisrot



Joined: 24 Dec 2015
Posts: 9

PostPosted: Sat Dec 26, 2015 1:53 pm    Post subject: Reply with quote

jvernet wrote:
Anybody know something about that:
Adapter Kit 68040/68060?

"Should work on NeXT"

I know the guy who developed this adapter. Cosmos, the guy who sold it on ebay, is not the developer. Cosmos sells a lot of stuff others have developed (which is not bad by itself). He has a "mixed" reputation in the Amiga scene.
I don't know what information Cosmos has to claim "Should work on NeXT", but I don't think it will work out of the box. E.g. a MC68060 with this adapter does not work on an Amiga without patching its system software. The 68060 is not 100% software compatible to the 68040 because it lacks some instructions which have to be emulated in software. There are other differences as well which the operation system has to handle.
I'm pretty sure that one has to patch at least the ROM monitor, probably the Mach kernel, too.

Perhaps a more promising approach is the Apollo Core. They claim to be 68040 compatible with a much higher speed. Let's see if they deliver.
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degs



Joined: 21 Sep 2006
Posts: 34
Location: Conway, NH

PostPosted: Mon Dec 28, 2015 7:04 pm    Post subject: Reply with quote

chrisrot wrote:

Perhaps a more promising approach is the Apollo Core. They claim to be 68040 compatible with a much higher speed. Let's see if they deliver.


The Apollo core looks pretty good. Every adapter that I have ever seen for the 040/060 has not had a multiplexed data bus. You need *a lot* of logic just to get them bus compatible.

I keep meaning to get back to this, and I have been a bit, but I've been making FPGAs recently and I spend most of my free time writing LISP. :/
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