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Old 11 November 2022, 22:11   #361
eXeler0
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Originally Posted by gdonner View Post
It would indeed, but GPU-based video playback at 1080p needs a lot more than just an ARM processor. NVIDIA's GeForce cards, even the smallest ones, need a heat sink or a fan to keep their GPU cool. AFAIK I don't think it's possible (or practical) to combine a GPU with an ARM processor. My understanding is that they're very different kinds of chips, requiring different treatment/programming, etc.

Still, the ZZ9000 will, in time, be giving us more than we have now.

Ok so yea 1080p is demanding but IMO also overkill for most Amiga users anyway.
Anyhoo..Not sure what you mean with your nvidia example here, ARM architecture CPU + GPU in same chip (SoC) has been in pretty much every mobile phone sold the last decade ;-) And I can barely remember when phones struggled to play back 1080p content on youtube.

Regarding the ARM CPus on the ZZ, 666Mhz Cortex-A9 are probably underclocked so they should run cool. They can deliver about 1660 Dhrystone MiPS each.
Pretty sure some fairly decent resolution (by Amiga standards) video (480p) is within reach.
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Old 12 November 2022, 08:35   #362
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The XC7Z020 has at least one SIMD NEON unit in it which should allow for 1080p h264 decode (at least at baseline) with minimal effort on the CPU's part.
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Old 12 November 2022, 10:54   #363
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Originally Posted by jbenam View Post
The XC7Z020 has at least one SIMD NEON unit in it which should allow for 1080p h264 decode (at least at baseline) with minimal effort on the CPU's part.

Haven’t checked the data sheet for this model part, but in general FPU is optional on Cortex A9. Do you know if this model has it. If it does its a pretty strong FPU just sitting there
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Old 12 November 2022, 15:42   #364
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Quote:
Originally Posted by eXeler0 View Post
Ok so yea 1080p is demanding but IMO also overkill for most Amiga users anyway.
Anyhoo..Not sure what you mean with your nvidia example here, ARM architecture CPU + GPU in same chip (SoC) has been in pretty much every mobile phone sold the last decade ;-) And I can barely remember when phones struggled to play back 1080p content on youtube.

Regarding the ARM CPus on the ZZ, 666Mhz Cortex-A9 are probably underclocked so they should run cool. They can deliver about 1660 Dhrystone MiPS each.
Pretty sure some fairly decent resolution (by Amiga standards) video (480p) is within reach.
Hmm; good point--I'm obviously way out of my league on much of this, but the key seems to logically(?) be output screen size. On the PC, I would assume you need a fairly beefy system (Intel i3?) and a dedicated media chip on the motherboard to playback 1080p smoothly on a modern-size monitor. No Nvidia GPU card needed for that, unless you want to do some gaming with decent FPS; then everything obviously changes.

i.e. Yes, it's somehow 1080p, but outputting to a very dense physical size in comparison to what a PC and large monitor would need for raw horsepower and decent playback.

Not sure how the tiny ARM and tiny GPU combo chips are doing it without much in the way of cooling on our smartphones, other than they're only outputting to a tiny screen..?

In any case, I've always been amazed at how well you can "stretch" or scale up a bitmap image (say a screenshot of Workbench) on a phone without much pixelization.

Last edited by gdonner; 12 November 2022 at 16:02.
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Old 12 November 2022, 16:02   #365
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Originally Posted by eXeler0 View Post
Haven’t checked the data sheet for this model part, but in general FPU is optional on Cortex A9. Do you know if this model has it. If it does its a pretty strong FPU just sitting there
Looks like the A9 in question indeed has one. At least that's what I glimpsed from the datasheet.
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Old 12 November 2022, 18:29   #366
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Anyone know if these have become stable to use yet? Keep seeing issues here and there. I own one, but don’t have the original Daughterboard to try it out yet.
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Old 12 November 2022, 22:04   #367
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New product: MNT ZZ9000

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Originally Posted by Boing-Ball View Post
Anyone know if these have become stable to use yet? Keep seeing issues here and there. I own one, but don’t have the original Daughterboard to try it out yet.

It does a lot of things so there will be issues for sure so it depend on what you mean. For me RTG seems pretty stable, but the ZZ RAM doesnt always show up after boot. Not sure why it isnt consistent. Heard something about the BFG 9060 needing to allow more time at boot up.
Havent tried the other stuff yet, however Im still confused regarding scandoubled AGA. Im not getting any output from rgb—> vga on a. 31kHz Dell, HDMI from the ZZ card works fine however.

Last edited by eXeler0; 12 November 2022 at 22:13.
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Old 13 November 2022, 14:36   #368
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Originally Posted by eXeler0 View Post
It does a lot of things so there will be issues for sure so it depend on what you mean. For me RTG seems pretty stable, but the ZZ RAM doesnt always show up after boot. Not sure why it isnt consistent. Heard something about the BFG 9060 needing to allow more time at boot up.
Havent tried the other stuff yet, however Im still confused regarding scandoubled AGA. Im not getting any output from rgb—> vga on a. 31kHz Dell, HDMI from the ZZ card works fine however.
So still issues then from what you are saying. Might sell it and get a classic setup done then.
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Old 13 November 2022, 16:38   #369
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BFG has an F0 ROM that can delay the Kickstart boot process long enough to allow the ZZ9900 to load it's SD-based firmware, and therefore see the z3 memory and complete all AutoConfig upon a cold power-on boot. It's not an issue on warm reset, or an OS LoadModule reset from cold boot.

To be fair, the ZZ9900 memory is nice to see in the title bar byte count. However, all Z3 bus expansion memory is much slower than an accelerator card's onboard memory, and not important unless it's all the FastRAM you have. I find the ZZ9900's network is one of the best at this point.
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Old 13 November 2022, 21:03   #370
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So still issues then from what you are saying. Might sell it and get a classic setup done then.

As I said, depends on how you use it. For me its a very nice RTG card with some bonus features with great potential. Im definitely keeping it ;-)
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Old 13 November 2022, 21:58   #371
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As I said, depends on how you use it. For me its a very nice RTG card with some bonus features with great potential. Im definitely keeping it ;-)
Looking to use the full features as it’s what its purpose is. If you are saying you just use the RTG side with the scandoubler. Then what is the point?
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Old 13 November 2022, 23:18   #372
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Originally Posted by Boing-Ball View Post
Looking to use the full features as it’s what its purpose is. If you are saying you just use the RTG side with the scandoubler. Then what is the point?
Look, I've had the ZZ9000 for less than a week, I haven't got around to try everything yet.
But secondly, why wouldn't I want an RTG card in my A4000? ;-) (I had an Opal Vision before, that's not an RTG card.)
Next thing I'll try to get working is Ethernet, purchased Roadshow yesterday.
USB storage is useful too.. Down the road you can add a Soundcard.. I don't need everything from day one. ;-)
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Old 13 November 2022, 23:54   #373
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Look, I've had the ZZ9000 for less than a week, I haven't got around to try everything yet.
But secondly, why wouldn't I want an RTG card in my A4000? ;-) (I had an Opal Vision before, that's not an RTG card.)
Next thing I'll try to get working is Ethernet, purchased Roadshow yesterday.
USB storage is useful too.. Down the road you can add a Soundcard.. I don't need everything from day one. ;-)
The way I read your response. Is that you were just using the card for RTG. I have no issue with that. As I prefer my workbench screens to look pretty too.
My concern is if this card is marketed and sold to be a replacement to something like a PicassoIV card. Then I’m expecting the card to work as such.
Look forward to seeing how you get on.
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Old 14 November 2022, 00:59   #374
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I ordered 2 back in August and they showed up in the UPS app for delivery tomorrow, though I never received a shipping email from MNT! I’d rather they work on shipping orders than sending out emails so that’s OK with me.
I plan to use it for RTG and Ethernet. I have highway pro USB and I2C Zorro cards waiting for AA3000+ & A4000TX boards to be built. AA3000+ going into a checkmate 1500+ case using Simons sheetmetal fitting kit and the A4000 going into a modern Fractal Design case. Exciting times these are. Still need PSU’s and few other things but ROM’s and OS 3.9, 3141, 32 discs sitting waiting for everything to arrive. Never had a big box Amiga before.
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Old 14 November 2022, 11:52   #375
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Originally Posted by Boing-Ball View Post
My concern is if this card is marketed and sold to be a replacement to something like a PicassoIV card.
Hmm, some of us owners might say things like it replaced my Picasso IV, but I don't think Minute himself has marketed it as such?

You can check what his selling points are from: https://mntre.com/media/ZZ9000_info_...resources.html

Quote:
Then I’m expecting the card to work as such.
Look forward to seeing how you get on.
What are your requirements for a Picasso IV replacement?
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Old 14 November 2022, 12:04   #376
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Looking to use the full features as it’s what its purpose is. If you are saying you just use the RTG side with the scandoubler. Then what is the point?
  1. It's the best 1080p-capable card with the best scandoubler and a HDMI connection you can buy today.
  2. It's an ok Ethernet card. There are better, faster, more reliable options but it'll do perfectly fine.
  3. It's an ok RAM expansion, if a little slow (because of Z3, not ZZ9000's fault)
  4. It's a fairly buggy (at least when I've used it) USB drive mount point. It'd be nice if it worked with Trident or Anaiis but it doesn't. I don't use it but it's there if you want to.
As an early adopter it was simultaneously amazing and frustrating to use in almost equal measure. But if I was looking at buying one today I'd have no reservations whatsoever. It tries to do too many things at once, resulting in compromises point solutions don't have to make but that's the nature of any all-in-one device.
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Old 14 November 2022, 12:10   #377
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My comments on the card itself are along the same lines. The USB is its weakest point, so potential buyers should definitely keep that in mind.

Lukas/Minute gladly takes open source contributions though, so it is possible to participate in improving the card's features, if one so wishes.
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Old 14 November 2022, 12:47   #378
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And also, as mentioned a couple of times already, lets not forget the Bonus-potential of the onboard ARM CPUs. After future updates, this could become a game changer for some. (mp3 for now), so there is that too.
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Old 14 November 2022, 12:55   #379
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For some the AHI compatible sounds module is the game changer. For me it is the RTG + network + audio combo and the fact that I can code custom ARM apps that I can address from the Amiga. Not enough time to do much with it but at some point I'll get around to writing a Mandelbrot routine that uses the ZZ9000 CPU-FPU or some other pointless but fun app.

Looking forward to the improvements over time which I'm sure there will be.
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Old 14 November 2022, 18:12   #380
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For some the AHI compatible sounds module is the game changer. For me it is the RTG + network + audio combo and the fact that I can code custom ARM apps that I can address from the Amiga. Not enough time to do much with it but at some point I'll get around to writing a Mandelbrot routine that uses the ZZ9000 CPU-FPU or some other pointless but fun app.

Looking forward to the improvements over time which I'm sure there will be.

At some point, someone will probably figure out how to run Quake on the ARM CPUs
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