Path: csiph.com!eternal-september.org!feeder3.eternal-september.org!i2pn.org!i2pn2.org!.POSTED!not-for-mail From: D Newsgroups: comp.os.linux.misc Subject: Re: News : ARM Trying to Buy AmperComputing Date: Fri, 17 Jan 2025 10:32:07 +0100 Organization: i2pn2 (i2pn.org) Message-ID: <6d5c7f67-7c7b-66aa-d9d3-54f71f77ae43@example.net> References: <_hycnQxlN5kAphr6nZ2dnZfqn_SdnZ2d@earthlink.com> <36bf96a5-527c-1d8b-a93b-6788cdd589a2@example.net> <1PKcna3Yf6vdFhX6nZ2dnZfqnPidnZ2d@earthlink.com> <7b19252d-bfe8-9d48-0cd2-eb33e4a64179@example.net> <67897bb3@news.ausics.net> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Injection-Info: i2pn2.org; logging-data="3996304"; mail-complaints-to="usenet@i2pn2.org"; posting-account="w/4CleFT0XZ6XfSuRJzIySLIA6ECskkHxKUAYDZM66M"; In-Reply-To: X-Spam-Checker-Version: SpamAssassin 4.0.0 Xref: csiph.com comp.os.linux.misc:64507 On Fri, 16 Jan 2025, rbowman wrote: > On 17 Jan 2025 07:35:47 +1000, Computer Nerd Kev wrote: > >> Finding the minimum-power ARM chip able to run Linux would be an >> interesting exercise. I gather Linux requires a minimum set of ARM >> extensions, as well as an MMU, which may exclude many of the SoC options >> intended for embedded applications. Software is as much of the problem >> as hardware. > > ARM processors fall into three rough classes, A, M, and R. A is the > general purpose design like the Cortex A76 in the current Raspberry Pi 5, > while M is the microprocessors like the Cortex M33 in the Pico 2. The R is > real-time variant. I don't have an example of where they are currently > used. > > That is further complicated by multi-core designs where some of the cores > are optimized for low power consumption or to really confuse the issue the > RP2350 with two ARM cores and two RISC-V cores. > > The Raspberry Pi 5 runs Raspberry Pi )S, a Debian derivative, very nicely. > People have tried other distros with mixed success. The Pis have been A > series. > > People with a lot of time on their hands have run Linux, sort of, on the > RP2350. > > https://liliputing.com/you-can-run-a-minimal-linux-distro-on-raspberry- > pis-new-rp2350-microcontroller/ > > Choices will need to be made with the hardware design but I don't see the > software as being the limitation. > I wonder if it would be possible to build a PB storage system for archive use cases on a bunch of Pi 5? =) Does it have any good ways to connect disks, or is it still only USB? I wonder how many disks per system it could handle with confidence?