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

> b. do the newer versions of pftf actually have problems? where are they
>    documented?

we stopped recommending pftf in the current version of arm64 install
notes, there are too many possible versions and interactions with
different OpenBSD versions.

> 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.

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?

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.


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