27 October 2009, 02:14 | #1 |
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Join Date: Sep 2006
Location: Thunder Bay, Canada
Posts: 4,323
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Using Narmi Video adapter on the Dreamcast
Hi All,
I got this idea from a thread the other day about the video mods available for the Dreamcast so i got thinking about seeing how the Narmi Adapter would work on the Dreamcast. I built my adapter using the same schematic as Amigamaniacs new Narmi release so this mod will also work using his boards too. I wanted the connector that i put on the dreamcast to be able to be wired for VGA and Svideo too so i wred all the necessary points on the Dreamcast motherboard and fed it to a 9 pin serial connector that i will put on the case. (its just dangling at the moment in proof of concept mode). K, Heres some pictures, First one is the wiring points underneath the Dreamcast motherboard The red and white wire on the right side is for an audio jack that can be installed if you are using VGA mode The next pic shows the regular composite display This is same screen using the Amiga Svideo adapter As you can see the composite pic is a little fuzzy while the Svideo one is sharper, it is more obvious when you actually see the difference on the TV itself instead of a stillshot. Here is a pic of the temporary wiring i have at the moment. (i used insulated paperclips as temp wires between the connectors All i need to do now is to make myself a 23 pin > 9 pin adapter cable and I'm ready to go. If anyone wants more info let me know and i will post it. Last edited by kipper2k; 27 October 2009 at 02:21. |
27 October 2009, 03:00 | #2 |
Ya' like it Retr0?
Join Date: Jul 2005
Location: United Kingdom
Age: 49
Posts: 9,768
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Awesome stuff Kipps!!
now, to make it happen on a ZX Spectrum 128 +2! =) |
27 October 2009, 11:22 | #3 |
The 1 who ribbits
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awesome
love the paper clip bit |
27 October 2009, 13:32 | #4 |
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Join Date: Aug 2005
Location: Skarabörg, Sweden
Age: 45
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Nice! but the VGA-adaptors is even nicer (although not all games supports them).
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27 October 2009, 13:53 | #5 |
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Location: Thunder Bay, Canada
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The way i set it up would allow using vga by a different adapter cable but i was more interested in seeing if the Narmi would work right out of the box so to speak. There is also a way to get the Svideo signal directly from the Dreamcast too so the adapter is not even required at all for Svideo.
I agree VGA would give the best quality picture, i think you can buy a VGA box for about $45, but if you have the Narmi, you now know that you can use it with your Dreamcast for the cost of a couple of connectors and a bit of your time. And, like i said for those of you who would want a cheaper solution still, you can just use a couple of electrolytic caps and a Svideo connector directly from the DC itself. |
27 October 2009, 17:25 | #6 |
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Join Date: Aug 2008
Location: Sidcup, England
Posts: 10,300
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Nice one, mate!
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27 October 2009, 17:54 | #7 |
I hate potatos and shirts
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Nice one, kLipper2k!
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