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computers / comp.sys.raspberry-pi / Re: Can a Pi3's firmware be updated?

SubjectAuthor
* Can a Pi3's firmware be updated?bob prohaska
+- Re: Can a Pi3's firmware be updated?Marco Moock
+- Re: Can a Pi3's firmware be updated?A. Dumas
+* Re: Can a Pi3's firmware be updated?Theo
|`- Re: Can a Pi3's firmware be updated?bob prohaska
`- Can a Pi3's firmware be updated?Vincent Coen

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Can a Pi3's firmware be updated?

<tkuqv6$1sio9$2@dont-email.me>

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From: bp@www.zefox.net (bob prohaska)
Newsgroups: comp.sys.raspberry-pi
Subject: Can a Pi3's firmware be updated?
Date: Tue, 15 Nov 2022 01:45:10 -0000 (UTC)
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 by: bob prohaska - Tue, 15 Nov 2022 01:45 UTC

Is it possible (and useful) to update firmware on a Pi3B?

The Pi3B in question doesn't run RasPiOS normally. I'm
having some difficulties booting from USB and wonder if
any improvements exist. The OTP bit is confirmed set
but it doesn't detect one of my USB-SATA bridges, a
Sabrent EC-UASP. It's up-to-date per the Sabrent updater.

Thanks for reading,

bob prohaska

Re: Can a Pi3's firmware be updated?

<tkveg1$20ps7$2@dont-email.me>

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From: mo01@posteo.de (Marco Moock)
Newsgroups: comp.sys.raspberry-pi
Subject: Re: Can a Pi3's firmware be updated?
Date: Tue, 15 Nov 2022 08:18:25 +0100
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 by: Marco Moock - Tue, 15 Nov 2022 07:18 UTC

Am 15.11.2022 um 01:45:10 Uhr schrieb bob prohaska:

> The OTP bit is confirmed set
> but it doesn't detect one of my USB-SATA bridges, a
> Sabrent EC-UASP. It's up-to-date per the Sabrent updater.

Does that controller have its own power supply?
Maybe the Pi isn't able to provide enough currency for a SATA disk
incl. controller via USB.

Re: Can a Pi3's firmware be updated?

<tkvg4g$2132m$1@dont-email.me>

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From: alexandre@dumas.fr.invalid (A. Dumas)
Newsgroups: comp.sys.raspberry-pi
Subject: Re: Can a Pi3's firmware be updated?
Date: Tue, 15 Nov 2022 07:46:24 -0000 (UTC)
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 by: A. Dumas - Tue, 15 Nov 2022 07:46 UTC

bob prohaska <bp@www.zefox.net> wrote:
> Is it possible (and useful) to update firmware on a Pi3B?

Yes, with rpi-update. Slightly older and tested firmware also comes
regularly with normal updates, though, so in general its not recommended to
use rpi-update for bleeding edge versions unless you're waiting for a
specific fix. It *can* go wrong. Not sure of the recovery procedure but
it's probably on their website somewhere.

Re: Can a Pi3's firmware be updated?

<UkA*aTn3y@news.chiark.greenend.org.uk>

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From: theom+news@chiark.greenend.org.uk (Theo)
Newsgroups: comp.sys.raspberry-pi
Subject: Re: Can a Pi3's firmware be updated?
Date: 15 Nov 2022 10:42:10 +0000 (GMT)
Organization: University of Cambridge, England
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 by: Theo - Tue, 15 Nov 2022 10:42 UTC

bob prohaska <bp@www.zefox.net> wrote:
> Is it possible (and useful) to update firmware on a Pi3B?
>
> The Pi3B in question doesn't run RasPiOS normally. I'm
> having some difficulties booting from USB and wonder if
> any improvements exist. The OTP bit is confirmed set
> but it doesn't detect one of my USB-SATA bridges, a
> Sabrent EC-UASP. It's up-to-date per the Sabrent updater.

There's two parts to the firmware: the GPU firmware on the SD card and the
firmware in the EEPROM.

On a Pi4, the EEPROM contains the first stage bootloader and then it fetches
the rest from SD, USB, NVMe, network-boot, etc.

On a Pi3, the first stage bootloader is in ROM and can't be updated. So the
first stage boot is fixed. It then loads GPU firmware from the boot device -
SD, USB, PXE - and the GPU picks up from there.

(Pi1-Pi3 use the same ROM FSBL pattern, although it's been upgraded in each
new release)

If you can't get your Pi3 to read the USB then I'm not sure there's much you
can do, because that's ROM firmware which can't be changed. You could put
an SD card in there just to hold the kernel and GPU firmware then put your
main FS on USB.

Theo

Re: Can a Pi3's firmware be updated?

<tl0m33$244ch$1@dont-email.me>

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From: bp@www.zefox.net (bob prohaska)
Newsgroups: comp.sys.raspberry-pi
Subject: Re: Can a Pi3's firmware be updated?
Date: Tue, 15 Nov 2022 18:34:11 -0000 (UTC)
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 by: bob prohaska - Tue, 15 Nov 2022 18:34 UTC

Theo <theom+news@chiark.greenend.org.uk> wrote:
> If you can't get your Pi3 to read the USB then I'm not sure there's much you
> can do, because that's ROM firmware which can't be changed.

Ok, that's what I needed to know. The Pi3B does work with some bridges,
just not with one in particular.

I am using a powered hub to forestall power supply issues.

Thanks to all who replied!

bob prohaska

Can a Pi3's firmware be updated?

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From: nospam.Vincent.Coen@f1.n250.z2.fidonet.org (Vincent Coen)
Newsgroups: comp.sys.raspberry-pi
Subject: Can a Pi3's firmware be updated?
Date: Wed, 16 Nov 2022 01:26:14 +1300
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 by: Vincent Coen - Tue, 15 Nov 2022 12:26 UTC

Hello bob!

Tuesday November 15 2022 01:45, you wrote to All:

> Is it possible (and useful) to update firmware on a Pi3B?

> The Pi3B in question doesn't run RasPiOS normally. I'm
> having some difficulties booting from USB and wonder if
> any improvements exist. The OTP bit is confirmed set
> but it doesn't detect one of my USB-SATA bridges, a
> Sabrent EC-UASP. It's up-to-date per the Sabrent updater.

If it is the 3B+ then yes it does as I have it connected to a 1Tb HDD in a
geekworm casing and HDD board without any SD plugged in.

If it really is a 3B suggest you look on the forums as raspberrypi.org as I
seem to recall there is a solution that 'may' involve a firmware update.
Don't hold me to that though as it has been many months since I read the post.

Vincent

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