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Questions tagged [firmware]

Firmware is the code usually stored in flash ROM and contains the instructions for communicating with the other computer hardware.

90
votes
3answers
216k views

How do I update software and firmware?

I understand that the software on the Raspberry Pi is divided into three sections: the closed-source GPU firmware, the patched ARM Linux kernel and the user space software. Is the GPU firmware on the ...
63
votes
6answers
110k views

Do I still need rpi-update if I am using the latest version of Raspbian?

I have a 512MB Pi. I am trying to make sure I am getting the most out of it. I just downloaded the latest version of Raspbian and installed it on the Pi. Do I also need rpi-update? Is rpi-update ...
39
votes
3answers
59k views

Why does the Raspberry Pi need a MPEG-2 licence?

Since August 24 2012, it is possible to buy a licence to hardware-decode MPEG-2 videos. Here are my questions: Does it mean that, without this licence, the RPi cannot handle at all MPEG-2 video, or ...
22
votes
1answer
4k views

Raspberry Pi Zero usable with fully free software?

In the Free Software Foundation's May 2013 review of single board computers, the Raspberry Pi was found to have fatal flaws for use in a free (libre) software environment: The Raspberry Pi requires ...
24
votes
1answer
14k views

How can I determine the current firmware version number?

Is there a way to find the current firmware version number? Either the running version or the version currently installed in /boot? uname -a shows only the kernel version, not the GPU "binary blob." ...
17
votes
2answers
40k views

How do I upgrade Raspbian?

I have my Raspberry Pi setup how I want, but I have an older version than what is currently available (2012-10-28-wheezy-raspbian.zip). How do I upgrade the kernel, firmware, etc.? I have upgraded ...
4
votes
1answer
2k views

Are the BIOS and firmware located on the SD card?

Reading this answer I get the impression both the Raspberry Pi BIOS and firmware are located on the SD card. Is that correct? What is exactly located on the SD card? There's nothing stored on the Pi ...
14
votes
3answers
26k views

Do I still need to purchase the MPEG-2 and VC-1 license keys for the Raspberry Pi 2?

Do I still need to purchase the MPEG-2 and VC-1 license keys for the Raspberry Pi 2? If so, will the same MPEG-2 and VC-1 licenses available in the Raspberry Pi store work with the Raspberry Pi 2?
4
votes
2answers
2k views

Raspberry pi B+ first boot

I got Raspberry pi B+ and I tried to boot by using NOOBS v1.3.10 and RASPBIAN Debian Wheezy Version:September 2014. Then I got two different problems. These are my component information, Raspberry ...
3
votes
2answers
415 views

Should I expect an error message if booting without SD card?

This question is just a sanity check. I couldn't find this information anywhere else. If I turn on the pi without an SD card attached, does the firmware print any error messages to the screen (via ...
2
votes
2answers
2k views

Improper shutdown, now 3 flashes on boot

I had to do a hard power off on my Pi, as it had crashed. Now, when I turn it on, I get 3 flashes of the OK LED, which means either loader.bin or start.elf is not found. I have plugged the SD card ...
1
vote
1answer
190 views

What happens if throttling back doesn't help on high temperature? Does Raspberry Pi power off?

I recently asked this question asking if the temperature was handled by hardware or software and someone told me that it was handled by raspberry pi firmware (hardware). Appearently performance is ...
0
votes
1answer
2k views

No wireless firmware found from a Wi-PI on a Raspberry Pi?

My boss wanted me to install Raspbian through raspbian ua net install, instead of through NOOBs. It just got done installed a base-level Raspbain from sources files and its LXDE gui. However, I have ...