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Thanks @RGB for sending that voltage meter replacement :thumbup:
 

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jassin000 said:
plasia said:
most likely flat out not work with a netdimm/gd-rom setup
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Capcom IO can't supply enough power for that kind of setup.DIMMs are out if you power Naomi with Capcom IO.
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I think we're on the same page and agree here.

--- --- --- ---

HAS is fantastic but you could get the upcoming CPS2 IO for a cheaper alternative from RGB when it comes to Naomi (and 2x6), since you're not going to be using the audio/video features. Button remapping is nice though!
 
plasia said:
noir said:
Frank_fjs said:
To answer your question re power, yes that's fine.

The Naomi is powered directly from the ATX. The Capcom I/O is not connected to the Naomi in regards to power, so the power coming from the arcade PSU to the HAS isn't being passed through to the Naomi.
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Dumb question, but does the Capcom I/O connect to the Naomi differently than the Naomi I/O board? I only have the Naomi I/O board and am unfamiliar with the Capcom one.I ask because when I set mine up with the HAS connected via JAMMA edge on the Naomi I/O board and no power supply connected to the HAS, the HAS showed 5.20 v when the Naomi power supply was turned on. So the Naomi I/O board *does* get power from the Naomi power supply.

EDIT: It looks like the Capcom I/O board does indeed have connections for power between it and the Naomi board. https://solvalou.com/arcade/naomi
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Well yes... but no.
JVS IO is connected with a USB cable (that isn't USB, I don't believe it carries power, so I don't know what's going on there). Yes you can technically try and power your Naomi with the Capcom IO, but this is not recommended and will most likely flat out not work with a netdimm/gd-rom setup. Most people including myself power the IO and the Naomi separately.
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One of the connectors between JVS IO and the Naomi is USB, but as shown in that link there are others, including a power connector. I'm not suggesting trying to power the Naomi from the Capcom IO; it won't work because JAMMA doesn't have 3.3v. I'm suggesting the opposite. If somebody's IO board has all of its connections hooked up to the Naomi, the HAS should not need its own power supply; it will get its power from the Naomi PSU. Call me paranoid, but it just seems like a not great idea to have two separate power supplies hooked up to the same system.
 
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At this point I think you should start a thread. Maybe a moderator can help move this discussion?

I'm a bit concerned that you don't really know what you're talking about, you keep saying -3v when the missing voltage is 3.3v (which is why ATX power supplies are a common solution). The only connection between your IO and your Naomi should be a USB cord, but please note that it is not usb. The pinout for a JVS connectior is Sense, Data-, Data+, GND. Notice no +5v like USB, it is just using the usb form factor.

I don't know what you're doing to get 5v on your HAS, but to reiterate what Jassin and I have been trying to tell you:
  • Power your HAS, which is connected to your IO via jamma edge and possibly kick harness.
  • Connection between IO and Naomi should be the JVS usb cord, no power cables, nothing else. (Unless you want 15khz 480i RGBS, there is a dip switch on the Naomi for this, but use 480p RGBHV instead).
  • Power your Naomi separately
  • Video and audio you get straight from the connectors on the Naomi
 
Right you are on 3v. Thanks for correcting me. Fixed my last post. Happy to just drop the topic at this point. Just wanted to make sure the guy asking didn’t screw up his stuff.
 
Well dam i did not mean to cause a big discussion :saint: , but thanks for all your help guys means alot! I will follow the steps and ill post a picture :thumbup:
 
It's not a compact setup, but I'd run a Sega IO (not a Capcom IO because you can't use its power conversion here) with with HAS for JVS-to-Supergun controls ONLY!
Then I'd power the Naomi independently with its own Sun (or other) JVS PSU to support a full NetDIMM/PiForce setup.
Connect the Naomi's VGA output (set to 31khz via DIP) directly to LCD monitor (or OSSC for upscale options) connect RCA directly to sound.
 
jassin000 said:
It's not a compact setup, but I'd run a Sega IO (not a Capcom IO because you can't use its power conversion here) with with HAS for JVS-to-Supergun controls ONLY!
Then I'd power the Naomi independently with its own Sun (or other) JVS PSU to support a full NetDIMM/PiForce setup.
Connect the Naomi's VGA output (set to 31khz via DIP) directly to LCD monitor (or OSSC for upscale options) connect RCA directly to sound.
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thats exactly what i'm running :thumbup:
 
I’ve also been told that if you’re using two separate power supplies, one for the HAS/JVSio and one for the Naomi, you want to connect their grounds.
 
ekorz said:
I’ve also been told that if you’re using two separate power supplies, one for the HAS/JVSio and one for the Naomi, you want to connect their grounds.
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It would depend on how you did the setup, but in my example above...
No, because the only connection from the independently powered HAS to the Naomi is the one USB cable for JVS controls.
They can be independently powered without issue or need to bridge grounds just like a DVD player can be powered independently of a TV despite being "connected" via video cable.
 
jassin000 said:
ekorz said:
I’ve also been told that if you’re using two separate power supplies, one for the HAS/JVSio and one for the Naomi, you want to connect their grounds.
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It would depend on how you did the setup, but in my example above...No, because the only connection from the independently powered HAS to the Naomi is the one USB cable for JVS controls.
They can be independently powered without issue or need to bridge grounds just like a DVD player can be powered independently of a TV despite being "connected" via video cable.
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I think it's precautionary, it just ensures each 0v is 0v with respect to the other psu. It did run fine without it, when I tried, but since i don't run this setup out side of a cab anymore (where I use only one PSU) I can't be sure if it has any adverse effect long-term. But I'll link that original advice and following discussion, which adds more context: AW netboot black screen with Naomi 2??
 
ekorz said:
I think it's precautionary
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Just think about how your Vewlix is internally wired for a moment...

The Naomi inside a Vewlix gets its power from the Wei Ya PSU correct?
So where does the Vewlix JVS IO get its power from the Wei Ya PSU?
No! The cab's common filtered power lines, NOT the Wei Ya PSU at all (this is how a Vewlix missing a Wei Ya can still have the JVS IO installed).

So even inside a official cab, you've got the Naomi getting its power from a different/dedicated place than where the JVS IO is getting its power.
They are still connected via (JVS) USB cable, and yet the grounds of the Wei Ya are NOT bridged/anywhere near the cab DC grounds!

You think you know something Taito doesn't? ;)

As this example demonstrates IF the only connection between the Naomi and JVS IO is the USB cable they DO NOT NEED COMMON/BRIDGED PSU GROUNDS PERIOD.

I really don't know anything about running Atomiswave games on a Naomi 2, I have a Naomi 1 and the games I've tested (MS6, FotN) worked.
Seems to me, the guys who complain about Atomiswave not working most often, have Naomi 2 setups. :whistling:
 
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Edit: Quotes cleared up.
Nothing to see here, please proceed with the discussion. :)
 
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Wraith said:
Couple more questions.

Let's say I use component at home, and bring my supergun and cps3 to a friends house who only has S Video or composite.

Can I switch it to s-video / composite with an official Sony cable without "unmodifying" the jumpers on the HAS?
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wanted to re-ask this question
 
HAS outputs RGBs, PERIOD!
oihFBl6.jpg


Any other format you want (component, s-video, HDMI) you must adapt for.
A few ways you can do that, official hats/add-ons, external SCART-to-X adapters, video scalers, etc etc.
A one major way you cannot, passive cables!

HAS jumpers will mostly be unaffected by your choice of adapter.
That is to say "unfiltered/unprocessed sync"
WzVDNRy.png


and "75ohm"
cu4M39Z.png


Should work for 99.9% of Games/PCBs, but likely not if you use a F3 which uses a very wacky sync.

My advice to you is stop focusing all your attention on Sony cables.
I personally think it's a mistake that RGB made this Sony SCART adapter, it's very existence has totally confused some folks into thinking HAS outputs component or composite.
Maybe you are one of them?
It actually does nothing of the sort... RGBs video is still flowing thru that PS2 connector, just because it looks different from 8pin mini din don't actually mean shit.

Did you see his answer when I jab'd him about it?
jassin000 said:
@RGB so you regret supporting that Playstation port yet. ;)
I personally never would have supported it, because just like with a HD15 port... People only expect one format VGA (640x480@31khz) to come out of it.
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RGB said:
I'm even more adamant about using the 8pin mini DIN as the video output for the HAS, because at some point I considered changing it for something else.
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That's the designer/manufacturer of the device telling you to use the 8pin mini din output for the HAS (and not something else).
 
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