Questions tagged [pi4-eeprom]

This tag is for questions related to the EEPROM on the Pi 4. For questions about the EEPROM used with hats, use the 'hat' tag. For questions about using other external EEPROMs with the Pi, use the 'eeprom' tag.

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Cannot Boot a PI4 8GB with more modern OS than 32-bit Raspbian 2020-02-13

My machine will boot with this older Raspbian image, but I cannot update/upgrade the installation. I run: sudo apt update I get: WARNING: apt does not have a stable CLI interface. Use with caution ...
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Help with EEPROM log: RPI4 does not boot

This is another "RPI does not boot". I have tried many thins now and I'm not able to figure out why my RPI4 (that is quite valuable these days) does not boot. EEPROM is working fine and I ...
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My current eeprom version is newer than the newest

i don't understand, my My current eeprom version is newer than the newest. The screenshot: cd /etc/default/ && cat rpi-eeprom-update FIRMWARE_RELEASE_STATUS="default" can you ...
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Raspberry pi 4 doesn't boot green light blink ones

Raspberry 4 model b doesn't boot at all, when i plug power supply red light always lights, and green only blink ones, and nothing more. I try 3 differnt sd cards, try write raspbian in Imager, in ...
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How to Downgrade Bootloader or eeprom RPi4 2GB

I'm as new as it gets to the RPi world. Trying to set up a retro-gaming (yep, I'm one of those). I'm on a RPi4 2GB and I have an image flashed to my drive and when trying to boot, I get the following (...
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Pi 4 cannot read 'sdcard'

I have a pi 4 I previously ran rasbian stretch headless on. After a while I could no longer connect to the pi so I left it in the corner for a few months until I got a mini hdmi converter. This time I ...
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force_eeprom_read=0, but RPi4 still stuck at rainbow screen

I have made a custom PCB/Hat for a Raspberry Pi and I need to use ID_SD and ID_SC as general GPIOs. At the moment Raspberry Pi 4 gets stuck at Rainbow screen when booting (with Raspberry Pi 3B+ ...
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RaspberryPi Compute Module 4 bootloader EEPROM update issue

One day I got a new CM4 Lite module and the official IO board. I wanted to try a NVME disk as a boot device but I found that original EEPROM didn't have this option enabled (BOOT_ORDER didn't have 6 ...
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1 answer
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Windows 11 Pro not booting when installed onto a USB via WoR:

I recently created a Windows 11 Pro ARM64 .iso through uupdump.net aria2c to .iso conversion everything went fine the .iso was made i then launched WoR (Windows on Raspberry) everything was done ...
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1 answer
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can i be sure the eeprom configuration is the latest version?

i just came across pi dramble cluster https://www.google.com/search?q=pi+dramble+cluster&source=lnms&tbm=isch&sa=X&ved=2ahUKEwjBzISZg7jyAhVi8HMBHZx6CUsQ_AUoAXoECAEQAw&biw=1848&...
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Disable boot-time messages

I'm on Rpi-4 and the OS is DietPi. I have modified /boot/cmdline.txt using the following parameters to disable all and every boot-time logs: console=tty3 root=PARTUUID=907af7d0-02 rootfstype=ext4 ...
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When there are multiple boot devices, they are not booted in the order defined in BOOT_ORDER?

I have a pi4. Today, I want to set up USB booting. After I executed the following procedure, I found that the USB booting was successful, but when I plug both the SD boot device and the USB boot ...
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2 answers
900 views

Where is EEPROM in Pi4?

I want to know the location of Pi4's EEPROM. Is it in BCM 2711? or in memory chip? or as an individual module in board? I looked for many reference books(BCM2711 ARM Peripherals、Raspberry Pi Compute ...
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Directly install Raspberry Pi OS 64-bit on SSD: what are prerequisites

To install a 64-bit Raspberry OS on a Pi 4 board can be achieved by download the zip file from here unzip and write content to empty SSD as you would for an SD card, gives two partions (a FAT boot ...
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1 answer
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RPI4 missing 'pieeprom.bin' file?

I'm trying to edit the bootloader config following the rpi official instructions (https://www.raspberrypi.org/documentation/hardware/raspberrypi/bcm2711_bootloader_config.md). However, when I try rpi-...
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PI4 - no boot from usb3 samsung t5

The steps I have done is: Update/upgrade to the latest Raspberry Pi OS (sudo apt update && sudo apt upgrade-full) Update the eeprom firmware (rpi-eeprom-update) Clone the SD card using /...
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0 answers
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Raspberry pi 4 stuck on rainbow screen, green LED flashes 4 times

I have install latest(2020-05-27) raspberry pi image 32-bit. And it gets on rainbow screen on both outputs, red lights is on, while green lights flashes 4 times. When I turn on raspberry pi with out ...
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1 answer
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Using of GPIO0 and GPIO1 on Raspberry Pi 4B

I have built customize image using yocto for Rpi 4B. I want to use GPIO0 and GPIO1 as input/output with /sys/class interface Can I use them? I don't need any Rpi HAT or EEPROM. I have googled so ...
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0 answers
1k views

Raspberry Pi 4 EEPROM (and USB firmware) configurations

A while ago, the Pi Foundation mentioned that there was an update for the USB driver (yes, apparently more components on the board have firmware above and beyond drivers loaded by the OS) to reduce ...
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5 votes
1 answer
509 views

Is debug logging (to file or UART) available for firmware (start4.elf) portion of boot? [Pi4]

Is there any place that debugging messages get logged during the start4.elf portion of the boot process? BEFORE start4.elf runs, when the EEPROM is running, it's possible to configure UART output. ...
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2 votes
1 answer
827 views

Raspberry Pi 4 Wifi disconnected after change screen resolution

I'm having some problems with Raspberry Pi 4... The wifi works normally when I use 1920 x 1080. But when I change the resolution from 1920 x 1080 to 1280 x 720, the wifi suddenly disconnected and ...
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1 vote
1 answer
1k views

How to revert misconfigured BOOT_ORDER value on RPI4?

I've had my RPI4 configured to boot from the network if there is no SD card inserted (for bare metal programming) but firmware update restored it back to SD boot only. So I've tried to make it boot ...
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1 answer
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Write to spi EEPROM in Raspberry Pi 4

The Pi4 has 512Kb of EEPROM which hold the bootloader. Does anyone know if it is possible to write to spi memory to be used in programs in the user space without corrupting the bootloader? Is there ...
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