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DSP memory expansion module

 
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sdinet



Joined: 25 Jun 2008
Posts: 184

PostPosted: Sun Aug 02, 2009 7:51 pm    Post subject: DSP memory expansion module Reply with quote

So I recently purchased a NeXT Turbo Dimension, and it came with a DSP memory expansion module!!!

What is this used for, which applications require the extra memory, what does it do for the user?

Thanks!
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pentium



Joined: 23 Jun 2006
Posts: 1148
Location: Kamloops, BC

PostPosted: Sun Aug 02, 2009 8:26 pm    Post subject: Reply with quote

It does exactly as it sounds. It expands th amount of available memory for the DSP to I think 96k.
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-NeXT 68040 Cube with NS 3.3 and 64Mb ram
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sdinet



Joined: 25 Jun 2008
Posts: 184

PostPosted: Sun Aug 02, 2009 8:44 pm    Post subject: Reply with quote

of course, just wondering which applications require the extra memory or what difference the user notices. Does the OS utilize the extra memory, or only demanding audio/video applications?
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un



Joined: 12 Feb 2008
Posts: 93
Location: San Diego, CA

PostPosted: Mon Aug 03, 2009 10:56 am    Post subject: Reply with quote

It's only useful for applications written to use the DSP, i.e. expanding the DSP memory won't make the normal desktop apps faster.

Aren't DSP memory modules quite rare? I've never seen one for sale.
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pergamon



Joined: 30 Dec 2005
Posts: 214
Location: Indiana

PostPosted: Mon Aug 03, 2009 12:55 pm    Post subject: Reply with quote

un wrote:
Aren't DSP memory modules quite rare? I've never seen one for sale.


They are indeed. There are a few out there, as someone was selling some NOS ones a few years ago, but sold them pretty quickly.
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helf



Joined: 29 Dec 2005
Posts: 1097
Location: Alabama, USA

PostPosted: Mon Aug 03, 2009 4:46 pm    Post subject: Reply with quote

oooo.. lucky! It is one of the pieces I REALLY want to complete my Slab ;(

Congrats on the find, tho! Smile
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pentium



Joined: 23 Jun 2006
Posts: 1148
Location: Kamloops, BC

PostPosted: Wed Aug 05, 2009 7:49 am    Post subject: Reply with quote

You know, if someone was REALLY nice, they could help finish designing the schematics for the DIY DSP module in the projects section. All you would really need is a pen, paper and an ohmmeter.
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NeXTnewbe



Joined: 27 Oct 2006
Posts: 276
Location: UK

PostPosted: Wed Aug 05, 2009 8:50 am    Post subject: Reply with quote

pentium wrote:
You know, if someone was REALLY nice, they could help finish designing the schematics for the DIY DSP module in the projects section. All you would really need is a pen, paper and an ohmmeter.



Agreed, If I just had one of this I would do it, the same day

Laughing
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sdinet



Joined: 25 Jun 2008
Posts: 184

PostPosted: Wed Aug 05, 2009 9:59 pm    Post subject: Reply with quote

I'm game for that! Actually I work for a medical company, what if I could get a digital X-Ray of it, what that be even better?
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pentium



Joined: 23 Jun 2006
Posts: 1148
Location: Kamloops, BC

PostPosted: Sat Aug 08, 2009 7:47 pm    Post subject: Reply with quote

sdinet wrote:
I'm game for that! Actually I work for a medical company, what if I could get a digital X-Ray of it, what that be even better?
Wow, you can do that?
If that allows us to see all the traces I'm totally game for a pic or two.
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NeXTnewbe



Joined: 27 Oct 2006
Posts: 276
Location: UK

PostPosted: Wed Sep 30, 2009 1:18 am    Post subject: Reply with quote

I got the original information with the DSP schematics

http://www.nextcomputers.org/forums/viewtopic.php?t=876&postdays=0&postorder=asc&start=15

and I want to know who can help
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