Andrew Scheller

Thanks for the link. I believe the "bug in the dynamic clock scaling code" has been fixed in the [firmware](https://github.com/raspberrypi/firmware) and NOOBS v1.4 includes [updated firmware](https://github.com/raspberrypi/noobs/releases/tag/v1.4) so this bug should...

@crispcbk Wow, I've never seen that error message before! (and I've obviously done **lots** of testing) Did you use the SDFormatter tool first? Can you confirm the contents of your...

Thanks for the screenshot :-) It shows that the "lowercase labels ..." message is just a harmless warning that can be safely ignored. The **real** error is "failed whilst writing...

@spatieman Can you please provide exact details / part numbers for the SD cards that aren't working?

Regarding Transcend cards, see https://github.com/raspberrypi/firmware/issues/397 and https://github.com/raspberrypi/firmware/issues/372

From the investigation being done on https://github.com/raspberrypi/firmware/issues/397 it sounds like this is definitely specific to the Pi2, and steady progress is being made towards finding a solution. So this problem...

> What is the nature/root cause of this bug? Please see the already-mentioned https://github.com/raspberrypi/firmware/issues/397

Is it worth adding this as an optional git submodule, like is done with TinyUSB and lwIP ? :shrug:

https://www.raspberrypi.org/blog/introducing-raspberry-pi-hats/ also contains some links to suitable connectors.

> Where is the electrical pin out for the 40 pin connector specified? I dunno what level of detail you're looking for, but here's some useful pointers: https://www.raspberrypi.org/documentation/usage/gpio-plus-and-raspi2/README.md https://www.raspberrypi.org/documentation/hardware/raspberrypi/gpio/README.md https://www.raspberrypi.org/wp-content/uploads/2014/04/bplus-gpio.png...