< Architectures | ARM
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Edit '/boot/efi/config.txt' and remove the ram limitation or run the following command to comment it out: | Edit '/boot/efi/config.txt' and remove the ram limitation or run the following command to comment it out: | ||
sed -i 's|line total_mem=1024|# line total_mem=1024|g' | sed -i 's|line total_mem=1024|# line total_mem=1024|g' /boot/efi/config.txt | ||
Reboot the machine into the new kernel-lpae. You should now see the additional ram available and can safely remove the standard kernel package: | Reboot the machine into the new kernel-lpae. You should now see the additional ram available and can safely remove the standard kernel package: | ||
Revision as of 21:06, 10 January 2022
Using the Raspberry Pi 4 with 32-Bit ARM
To use the Raspberry Pi 4 with 32-bit arm you will need first limit the ram to 1024M in order to boot and install the kernel-lpae package. This is done automatically with the arm-image-installer script. To do so manually, after writing the disk image open the 'config.txt' file found on the first partition and add 'line total_mem=1024'.
Apply power and boot the system. You will need to ssh to the machine to install the kernel-lpae
dnf install kernel-lpae
Edit '/boot/efi/config.txt' and remove the ram limitation or run the following command to comment it out:
sed -i 's|line total_mem=1024|# line total_mem=1024|g' /boot/efi/config.txt
Reboot the machine into the new kernel-lpae. You should now see the additional ram available and can safely remove the standard kernel package:
dnf remove kernel
Known Issues
When using the standard kernel and limiting RAM, USB is not available.