[arm-allstar] RPi 4B won't boot, LED pattern 'Unsupported board type'

N4UPC n4upc at pm.me
Thu Mar 31 20:40:01 EDT 2022


Larry,

It is probably the 1.5 board version. For it to boot HamVoip, do the following:

1) On an unused card, burn the latest Raspberry Pi OS to it and boot it up on your new Ras Pi 4B. You can either sftp or use a USB thumb drive to copy two files in the /boot directory: start4.elf and fixup4.dat

2) Once you have these files, shut down the Ras Pi 4B board and remove the Ras Pi OS card.

3) Boot your HamVoip card on your Ras Pi 3B board, go into the /boot directory and rename the existing start4.elf to orig-start4.elf and the fixup4.dat to orig-fixup4.dat. Copy the the two files from step 1 to the /boot directory.

4) Shut down the Ras Pi 3B, move the card to your new Ras Pi 4B and it should boot up.

I can also email you the files if it would be better. Just let me know directly.

73,
Scott
N4UPC
HSH #: 11648

On Thu, Mar 31, 2022 at 18:07, Larry Mollica via ARM-allstar <arm-allstar at hamvoip.org> wrote:

> Got a brand new Raspberry Pi 4B 2GB from adafruit the other day. Trying to boot a fresh burn of hamvoip v1.6-14 but I can’t get it to go.
> I’ve misplaced my micro-hdmi adapter, so I can’t see the console but the green LED flashes 4 long, 4 short.
>
> This apparently means 'Unsupported board type’. ??
>
> I can boot the same SD card in a Pi 3B and it comes right up no problem.
> I can boot RasPBX on the Pi 4B and again, boots no problem.
>
> It’s the hamvoip - Pi4 combination that fails. I’ve burned two different micro SD cards, one on windows, one on a mac. Same failure.
>
> Any help appreciated.
> Larry AD6G
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