Which firmware in common laptops

Paul van der Vlis paul at vandervlis.nl
Mon Mar 2 13:20:13 UTC 2015

Op 02-03-15 om 11:24 schreef Simon Josefsson:
> Paul van der Vlis <paul-kzJ6NpsJWJiWrUy98/Atqw at public.gmane.org> writes:
>> Hello,
>> I try to make a list of devices in common laptops what has it's own
>> firmware:
> Nice list!  Analysing each firmware further could be quite interesting.

Thanks. An important point is: "can the firmware be updated or not".

> Some laptops have NFC chips in them, which sometimes requires non-free
> firmware to work.

Correct, thanks.

> I've also heard that the power adapter and battery charger sometimes
> contains firmware, for charging the battery properly.

It's called the "power management controller", I think.

> And maybe memory card readers should be added too?

Good possible that they have firmware. Right.

> Smart-card readers probably contain firmware too.

I don't know them in laptops. But maybe some have.

> Not strictly part of the laptop, but many laptop docking ports also have
> non-free firmware in them that can be updated.

Correct, good possible.

Thanks for your help!

With regards,

> /Simon
>> bios
>> processor ("microcode"), loaded from bios, or from OS.
>> VGA option ROM, loaded from bios. Sometimes optional
>> EC (embedded controller), loaded from bios
>> ME (Intel Management Engine), loaded from bios
>> GPU (e.g. ATI/AMD)
>> wired network controller
>> wifi controller
>> bluetooth  (sometimes combined with wifi-controller)
>> USB controller (AMD devices get USB3 firmware from bios)
>> SSD/harddisk
>> CD/DVD/Bluetooth reader/writer
>> keyboard controller
>> touchpad
>> wired modem
>> wireless modem, e.g. GSM
>> soundchip
>> firewire
>> webcam
>> fingerprint reader
>> pc-card/express card/PCMCI slot
>> wireless usb
>> sata controller
>> What do I forget?
>> With regards,
>> Paul van der Vlis.

Paul van der Vlis Linux systeembeheer, Groningen

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