Raspberry Pi Stack Exchange
Raspberry Pi Stack Exchange

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.

23 questions
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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. This is useful to confirm the the EEPROM-portion of…
Aaron Decker
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4
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1 answer

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 any small space available? Thanks.
Alfredo Pons Menargues
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2
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2 answers

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 Module 4...），however，I couldn't find the answer.…
Jiaming
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2
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1 answer

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 unable to connect... At my wpa_supplicant.conf ,…
Sidhi Ciang
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1
vote
1 answer

RPi 4 not recognising M2 drive in argon case

I have a raspberry pi 4b, which has been booting happily off an external usb-connected ssd. I have now put it into an Argon ONe case, with an MD SSD, and it will not recognise the M2 drive at all as a block device. lsusb -t shows two mass storage…
Andrew Brown
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1
vote
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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 explain to me ? (Last bullseyes 64 installed on pi4 8gb) Thanks
Gamepigeek
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1
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1 answer

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 correctly i used the default option apart that i…
Hector Houlden
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1
vote
1 answer

Can I be sure the EEPROM configuration is the latest version?

I just came across Pi Dramble cluster (I'm also aware it runs Drupal) and usb boot (which gives better performance) and I'll need the latest eeprom configuration to do this. By the usage of "LATEST", can I conclude the RPis I ordered this morning…
user135142
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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 heating... but that makes some USB devices not work…
user50441
1
vote
2 answers

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 from the network again using this procedure:…
pvc
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Error booting from newly installed SSD - Dependency failed for kernel-command-line.target

I have a problem with a new installed SSD on a raspberry pi 4, It is in some kind boot loop. Looking at /var/log/boot.log I see ------------ Thu Jul 04 01:17:10 BST 2024 ------------ e2fsck 1.47.0 (5-Feb-2023) rootfs: clean, 144709/7185024 files,…
ferg
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0
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1 answer

unable to boot to network mode in pi4 B board when SDcard is removed

I am trying to Boot pi4 Board in Network boot without Sdcard for that i have done below steps 1 > sudo rpi-eeprom-config --edit and set as below BOOT_ORDER=0xf21 - **Try SD first**, followed by **NETWORK then repeat** 2 > vcgencmd bootloader_config…
abhi
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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 followed this post to output the early boot log to UART. This…
Miguel
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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 (along with all the rest): Firmware:…
allen8r84
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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 flashed raspberry pi OS bullseye but when it…
Allen Jakpa
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