On Mon Oct 5, 2026 at 6:21 PM BST, Stuart Henderson wrote:
> On 2026-10-04, hmjsp <[email protected]> wrote:
>> a. is there still a performance difference between uboot and pftf?
>
> no idea, you can try yourself if you like
fair, might be interesting to experiment
>> c. why does it mention installing the bootloader to SD, and running the
>>    installer from USB? can I not have a pure USB install?
>
> it's convenient to be able to just swap SD to try different bootloader
> versions without messing with the main install, and also "rpi + sd card
> with suitable bootloader" can be treated as a unit similarly to "a
> system which comes with uefi anyway". however yes you can have a pure
> USB install.
that's also a good point, any crappy no name small SD card will do since
you only need a few MB for storage, so it's a non issue.
>
> again the current install docs have changed in this area.
>
> https://ftp.openbsd.org/pub/OpenBSD/snapshots/arm64/INSTALL.arm64
>
>> d. lastly, and kind of off topic, but how can I check if overclocking in
>>    config.txt has actually worked from within OpenBSD?
>
> compare 'md5 -ttt' times or something?
can someone chip in with their times on a Pi 4 just so that me and
others can be aware of expected performance?
> ideally have a monitor connected at least while testing, then you can
> look for the thermometer icon on-screen (coming from the firmware) that
> indicates thermal throttle.
doubt it will happen regardless since I have a large heatsink/fan combo.

thanks for the input!

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