New DIP64 Accelerator coming

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DoG
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New DIP64 Accelerator coming

Post by DoG »

Copied from FB. Target: Any 68000 computer.

https://www.buffee.ca/Nearing-production/

2021-01-28-Buffee.png
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exxos
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Re: New DIP64 Accelerator coming

Post by exxos »

Has a ground plane :lol:
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DoG
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Re: New DIP64 Accelerator coming

Post by DoG »

exxos wrote: Sun Jan 31, 2021 1:48 pm Has a ground plane :lol:
He wrote that it actually got 3 ground planes. I chuckled a bit when I read it. :lol:
PaulJ_2.0
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Re: New DIP64 Accelerator coming

Post by PaulJ_2.0 »

8 layers :)

I wouldn't like to build these by hand, that BGA chip would be a nightmare on a board that small, for me at least...
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Re: New DIP64 Accelerator coming

Post by rubber_jonnie »

Saw this last night too. The 8 layer board seemed a bit mad
Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
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Re: New DIP64 Accelerator coming

Post by PaulJ_2.0 »

Buffee is a Dual-Inline-Packaged Motorola 68000 accelerator based on the Octavo OSD335x-SM available with 512MB or 1GB of integrated SDRAM and capable of providing (at least) 68040 400MHz level of performance
I want one :)
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Re: New DIP64 Accelerator coming

Post by exxos »

Says open source and can be fully assembled by jlc... I'd build one or test just out of curiosity..
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viewtopic.php?f=17&t=1585 Have you done the Mandatory Fixes ?
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Re: New DIP64 Accelerator coming

Post by PaulJ_2.0 »

exxos wrote: Sun Jan 31, 2021 3:44 pm Says open source and can be fully assembled by jlc... I'd build one or test just out of curiosity..
I've just tried.
JLC dont seem to do many of the parts and some of them are not supported for assembly. The 0201 passives and the Crystal are both parts available from LCSC but not able to be added.
I'd be happy if you were able to just get the BGA chip done, but that's also one of the unavailable chips.

Unless I am doing something wrong of course, this isn't out of the question.

https://oshwlab.com/Renee/buffee-accelerator
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Re: New DIP64 Accelerator coming

Post by exxos »

I looked to see if supported the bus grant etc, can't do much on my old tablet, looks like pins go into the bga but can't see any source or anything.. I don't know about parts, maybe they out of stock or he's misunderstood how jlc works.. Either way, if its 3rd party assembly with 8 layers, I can't see it being cheap to make..
https://www.exxosforum.co.uk/atari/ All my hardware guides - mods - games - STOS
https://www.exxosforum.co.uk/atari/store2/ - All my hardware mods for sale - Please help support by making a purchase.
viewtopic.php?f=17&t=1585 Have you done the Mandatory Fixes ?
Just because a lot of people agree on something, doesn't make it a fact. ~exxos ~
People should find solutions to problems, not find problems with solutions.
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DoG
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Re: New DIP64 Accelerator coming

Post by DoG »

JLCPCB only does 6 layers!?
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