search for: rpi5

I guess I should scratch the idea about fan sockets as the power source: they are rated typically at 0.2A each, so fan headers should be expected 1A max (3A in some vendors/models), well under the 5A that the RPi5 wants. Jim On Sat, Sep 28, 2024 at 11:52?AM Jim Klimov <jimklimov+nut at gmail.com> wrote: > Follow-up: > > * Powering the Raspberry Pi5 from an USB-C port wired on the motherboard > was much more promising, it survived over 8 hours building NUT in a loop > (in a tmpfs). An...

...m Klimov via Nut-upsuser <nut-upsuser at alioth-lists.debian.net> wrote: >I guess I should scratch the idea about fan sockets as the power source: >they are rated typically at 0.2A each, so fan headers should be expected 1A >max (3A in some vendors/models), well under the 5A that the RPi5 wants. > >Jim > > >On Sat, Sep 28, 2024 at 11:52?AM Jim Klimov <jimklimov+nut at gmail.com> wrote: > >> Follow-up: >> >> * Powering the Raspberry Pi5 from an USB-C port wired on the motherboard >> was much more promising, it survived over 8 hours buil...

...uhubctl> on my PC said "No compatible devices detected!" so I guess that's it. * Whatever I could find with (suggestions welcome) `grep -r . `find /sys/devices/pci0000\:00 -name '*usb*port*'` /sys/bus/usb/devices/` did not expose any differences beside timestamps with the RPi5 plugged and off, unplugged, and plugged back in again (with auto-boot). I hoped for some power draw statistics to at least learn which port it lives on, to try managing that somehow. * Overall, housing the Pi inside a cooled and somewhat dust-protected PC case seems a neat idea, but for powering t...

Jim Klimov via Nut-upsuser <nut-upsuser at alioth-lists.debian.net> writes: > I am experimenting with a Raspberry Pi, and it is fed from my PC > (Debian-ish Linux) that is in turn protected by an UPS - so runs NUT. > > As far as the Pi is concerned, the bigger computer is its wall power > source (provides the USB socket) and being a smart machine with NUT > running, it

...on't know > what > > the new Pi's support, but likely something like 3A @ 5V, 9V, or 12V over > > USB-C > > Up to the RPI4, I was pretty sure there wasn't PD, just 5V and it drew > what it drew, and you hoped that the supply was big enough. > > It seems the RPI5 will use PD if given a capable supply. Looks like 5V > 5A, and it won't negotitate higher voltages. There's an official > supply that does PD > > > https://www.newark.com/raspberry-pi/sc1153/power-supply-usb-c-5-1v-5a-white/dp/82AK3955 > > and the output spec is >...

...bles, there are a ton of profiles, I don't know what > the new Pi's support, but likely something like 3A @ 5V, 9V, or 12V over > USB-C Up to the RPI4, I was pretty sure there wasn't PD, just 5V and it drew what it drew, and you hoped that the supply was big enough. It seems the RPI5 will use PD if given a capable supply. Looks like 5V 5A, and it won't negotitate higher voltages. There's an official supply that does PD https://www.newark.com/raspberry-pi/sc1153/power-supply-usb-c-5-1v-5a-white/dp/82AK3955 and the output spec is 5A at 5.1V, 3A at 9V, 2.25A at 1...