"A. Dumas"  wrote in message
news:5f647176$0$304$e4fe514c@news.xs4all.nl...
> On 18-09-2020 10:15, Chris Green wrote:
>> bob prohaska  wrote:
>>> Just got a Pi4 with 8GB of RAM up and running. It's an impressive
>>> upgrade from a 3b+....
>>>
>>> It looks as if the logic of the green status LED has been inverted:
>>> On the 3b+ the LED was off when idle, flashing when active. The 4
>>> seems to idle with the green LED on, it blinks off when active.
>>>
>>> Is that the whole story? I poked around a little on the Web and
>>> didn't find any mention, except for flash codes that signal POST
>>> failures.
>>>
>> It doesn't look that way on my (early) 1Gb Pi 4, red LED on solid,
>> once booted and fully started the green LED just flickers occasionally.
>
> Yes, same on my 4 GB Pi4 with standard 32-bit RaspiOS on SD card, updated
> to latest including eeprom but not rpi-update. Maybe it's different when
> running from USB disk?

On my 4B running RaspiOS Buster, the green light behaves as on the 3B+: off
for most of the time and flickers during (SD-disk?) activity.

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