From d6fe772ae67cd01bb393d0d547c04e55b8f3e2fa Mon Sep 17 00:00:00 2001 From: Dominic Reich Date: Tue, 30 Jan 2024 23:32:20 +0100 Subject: [PATCH] update raspberry pi notes --- content/notes/raspberry-pi/index.md | 42 +++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/content/notes/raspberry-pi/index.md b/content/notes/raspberry-pi/index.md index f7721a3..f18f50e 100644 --- a/content/notes/raspberry-pi/index.md +++ b/content/notes/raspberry-pi/index.md @@ -15,6 +15,48 @@ feed_exclude: true --- +## Activity LED codes + +### Up to Raspberry Pi 3 models + +#### Actual models + +| LED Activity | Description | +|:------------------|:------------------------------------| +| 3 flashes | start.elf not found | +| 4 flashes | start.elf not launch-able (corrupt) | +| 7 flashes | kernel.img not found | +| 8 flashes | SDRAM not recognized. You need a newer bootcode.bin/start.elf firmware, or your SDRAM is damaged | + +#### Older models up to Raspberry Pi 3 + +| LED Activity | Description | +|:------------------|:-------------------------------------| +| 3 flashes | loader.bin not found | +| 4 flashes | loader.bin not launch-able (corrupt) | +| 5 flashes | start.elf not found | +| 6 flashes | start.elf not launch-able | +| 7 flashes | kernel.img not found | + +### Raspberry Pi 4 + +| Long flashes | Short flashes | Description | +|:-------------|:--------------|:------------------------------------| +| 0 | 3 | Generic failure to boot | +| 0 | 4 | start*.elf not found | +| 0 | 7 | Kernel image not found | +| 0 | 8 | SDRAM failure | +| 0 | 9 | Insufficient SDRAM | +| 0 | 10 | In HALT state | +| 2 | 1 | Partition not FAT | +| 2 | 2 | Failed to read from partition | +| 2 | 3 | Extended partition not FAT | +| 2 | 4 | File signature/hash mismatch - Pi 4 | +| 4 | 4 | Unsupported board type | +| 4 | 5 | Fatal firmware error | +| 4 | 6 | Power failure type A | +| 4 | 7 | Power failure type B | + ## Freeze a package with apt/apt-get