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Raspberry Pi 5

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Re: Raspberry Pi 5

#461
post #425

Earlier quoted context omitted.

Where can I find these mini PCs? I am trying to find hardware for an upcoming project and I’m considering the Pi but would love to see some alternatives.

Just an example https://www.newegg.com/p/2SW-003Z-00008 but countless examples on amazon,newegg,aliexpress

It seems to even support two 4k monitors (probably in 60hz)!

And they advertise up to 3 monitors support.

Re: Raspberry Pi 5

#462

Earlier quoted context omitted.

> When using a standard 5V, 3A (15W) USB-C power adapter with Raspberry Pi 5, by default we must limit downstream USB current to 600mA to ensure that we have sufficient margin to support these workloads. This is lower than the 1.2A limit on Raspberry Pi 4, though generally still sufficient to drive mice, keyboards, and other low‑power peripherals. This is also very uncool, since powering it through the GPIO header wi…

How much power is safe to send through a GPIO pin? I'd imagine you'd want to make use of the Pi's 2 5V pins at that point.

I mean theoretically dupont connectors are rated for 2.5 A so two of them could get it done, but the current will never be completely equal across both and one may get overloaded. Maybe the safest option would be to find some kind of barrel-jack-to-usb-c dongle.

In practice I doubt it would be a real problem since you'd need to max out both the USB draw and CPU load at the exact same time to get the full draw.

Re: Raspberry Pi 5

#463

TBH the thing I hate most about this category of SBC is the reliance on SD cards. They are both too unreliable to trust and so slow that they often bottleneck the SBC. Buying them is often a crap shoot too, I've purchased cards batches of cards from the supposed reputable manufacturers that were all over the board when benchmarked, and rarely did they hit the claimed speed spec. I would love if there was an alternati…

You can netboot a Pi. Every Pi in my house netboots. I have a whole bunch of them. Some play games, some play videos, some play music, and a few other minor things. Because they all netboot, you can change what each one does by renaming a file on the server and then rebooting it. It's great.

You made me curious: what do use them for exactly?

Re: Raspberry Pi 5

#464

Rasbperry Pis are losing their competitive edge for non-embedded applications to sub $150 mini PCs, which support Linux/Windows and will come with enclosure, NVMe slot, power button etc. The mini PCs are also generally much faster.

That's true as long as you don't mind using modified vendor supplied operating systems. Most of these advanced boards will lock you into some patched Ubuntu version.

So far from the ones I've worked only the Pi and a patched Rockpro64 allows you to boot some generic USB installer from UEFI and have the system your way with mainline kernel support.

Re: Raspberry Pi 5

#465

Earlier quoted context omitted.

You could also get a framework laptop mainboard with a case: https://frame.work/products/cooler-master-mainboard-case

Isn't the link you posted, only for the case?

You can also buy mainboards[1] and expansion cards[2] (usb-c, hdmi etc.) from the same website. Depending on how beefy of a computer you want there are mainboards from 299 USD to 700 USD. So for ~500 USD you can get a very powerful tiny-ish computer. It obviously won't have the IO capabilities of pi-like hobby boards but it'll function great as a thin client for running linux / home automation stuff.

[1]: https://frame.work/marketplace/mainboards [2]: https://frame.work/marketplace/expansion-cards

Re: Raspberry Pi 5

#466

Earlier quoted context omitted.

Yeah my intel atom NUCs run at 5W idle and 10W load and they're a ton faster than a pi 4. Probably a pi 5 too. It's not very impressive. And that's with a real SSD.

Yes, if I look at those new Intel N100 based mini PCs with a 15W TDP and their power / price / consumption ratio it would seems Intel took notice of the threat and reacted accordingly. Especially now that the RPI kind of need a fan and you need to buy the power supply, the storage and the case. Well the RPI has GPIO but for small home server use case nobody cares...

>Well the RPI has GPIO

GPIO can be added via tons of USB to GPIO boards out there.

But I agree - lot of people tend to buy the Raspberry Pis for home servers instead of just opting for used mini-PCs from secondary markets. Even a 7-8 year old Intel CPU in those mini PCs will vastly outperform a Raspberry pi. Even the Raspberry 5. Plus, better I/O options and storage with mini PC.

Re: Raspberry Pi 5

#467
post #430

Earlier quoted context omitted.

The point here is likely to pull the rug out from under scalpers' feet. With the Raspberry Pi 5 out in two weeks, all the held-back inventory of older models will be dumped, prices will plummet, availability will become a non-issue. In that sense it's a wise move.

Finding older models were also almost impossible in the past two years. It's unlikely that Raspberry Pi 5 will solve the issue. But even so, it's not a wise move because what is the point of bringing a new model when they can't make it available to normal people?

> they can't make it available to normal people

I guess you haven't been looking recently? I can go to a local store and pick one up. It looks easy to pick up one online too.

https://rpilocator.com/

Re: Raspberry Pi 5

#468

Earlier quoted context omitted.

Yeah my intel atom NUCs run at 5W idle and 10W load and they're a ton faster than a pi 4. Probably a pi 5 too. It's not very impressive. And that's with a real SSD.

The NUC's GPIO header: crickets

That's a easy problem to solve - https://www.adafruit.com/product/2264

There are other cheaper boards for USB to GPIO out here as well.

Re: Raspberry Pi 5

#469
I'd love it if SBC manufacturers would announce their software support along with new hardware specs. I'm using a Pi 4 in a CNC plasma cutter solely because they have the only working realtime Linux PREEMPT_RT build I could find. I would love to use the Odroid N2+ but their ancient realtime branch won't even boot.

Re: Raspberry Pi 5

#470

Rasbperry Pis are losing their competitive edge for non-embedded applications to sub $150 mini PCs, which support Linux/Windows and will come with enclosure, NVMe slot, power button etc. The mini PCs are also generally much faster.

That's true as long as you don't mind using modified vendor supplied operating systems. Most of these advanced boards will lock you into some patched Ubuntu version. So far from the ones I've worked only the Pi and a patched Rockpro64 allows you to boot some generic USB installer from UEFI and have the system your way with mainline kernel support.

I didn't see any mention of UEFI in my first read through about the Pi 5. Did I just miss it?

I would like to have a quiet and reasonably performant ARM aarch64 box at this price point, but only if it supports UEFI without needing to resort to silly EFI system partition tricks (which the Pi 4 required, last I knew).

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