11 November 2022, 22:11 | #361 | |
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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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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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12 November 2022, 10:54 | #363 | |
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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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12 November 2022, 15:42 | #364 | |
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Quote:
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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12 November 2022, 16:02 | #365 |
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Looks like the A9 in question indeed has one. At least that's what I glimpsed from the datasheet.
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12 November 2022, 22:04 | #366 | |
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New product: MNT ZZ9000
Quote:
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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13 November 2022, 16:38 | #367 |
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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. |
13 November 2022, 21:03 | #368 |
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13 November 2022, 23:18 | #369 | |
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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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14 November 2022, 00:59 | #370 |
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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. |
14 November 2022, 11:52 | #371 | ||
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Quote:
You can check what his selling points are from: https://mntre.com/media/ZZ9000_info_...resources.html Quote:
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14 November 2022, 12:04 | #372 | |
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Quote:
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14 November 2022, 12:10 | #373 |
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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. |
14 November 2022, 12:47 | #374 |
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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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14 November 2022, 12:55 | #375 |
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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. |
14 November 2022, 18:12 | #376 | |
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At some point, someone will probably figure out how to run Quake on the ARM CPUs |
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14 November 2022, 21:44 | #377 |
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Or an OpenGL implementation or a hardware video decoder for mpeg2/h264! Wouldnt it be cool seeing 1080p video decoded on a 30 year old Amiga-admittedly the Amiga's IO throughput would likely be a problem even for DVD quality mpeg2.
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14 November 2022, 22:46 | #378 |
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I suppose intended use is a subjective thing. RTG with an integrated scandoubler and digital output is already awesome, add the ZZ9000AX and you have a dream come true for many (hardware MP3 decoding was always a unicorn thing, and what did exist was permanently stuck with whatever bugs it came with). Image quality will of course be far superior to any of the old cards if using an LCD.
For ethernet and USB, I'm happy to support Jens or use a DENEB/Freeway or Ariadne (etc). That said, I'll keep my PIVs, but it's nice not to have to try to hunt down another one, or be limited to a flaky Delfina for MP3 decoding. The promise for improvement and bug fixes is a very welcome development in the Amiga world. Plus, I think much of the fun of this hobby is the quest for improvement and perfection (tough to put a price on that!) |
15 November 2022, 09:14 | #379 | ||||||
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Quote:
It is not a generic USB host like you would use with Poseidon. Quote:
https://eab.abime.net/showpost.php?p...&postcount=123 has a showconfig screenshot of the two autoconfig boards that the ZZ9000 exposes. Quote:
USB works, but the devil is in the details; it is not a generic USB controller. Quote:
I use RTG and Network all the time, currently I'm running the RAMless firmware since I don't need the RAM, but back when it was always there, I just allocated it all as a second RAM disk for my temp files. Worked fine, no data corruption, it can't break the laws of physics so it is Z3 speed. I have the AX audio expansion because of completionist reasons, but I don't really make that much use of it. I've fully configured it though, so in the rare times when I run some AHI program, it is now in CD quality instead of Paula quality. The MP3 decoder also works fine and it leaves a lot of CPU time free, if MP3 on the Amiga is a use case for you. The USB implementation doesn't really fulfill any need I have, so I don't use it. In my opinion it is the weakest part of the card, as I would also prefer to have a fully featured Poseidon compatible USB port if I were to use one. The USB port's capabilities are documented on the product page in the FAQ section and the features section, what you read there is all you get. Quote:
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And if your setup has an issue, then I hope you can find the time to work with Lukas to iron it out. |
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15 November 2022, 15:53 | #380 | |
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I don't know about now but for the entire time I've had my ZZ9000 (I stopped updating firmware before 1.9 as I had a steady state and 1.9+ got a little weird) I've never been able to run custom ARM apps. Even the demo apps don't work <1.9 (at least on my A4K). If it did, I would've been writing stuff for this a couple of years back. |
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