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by Jochem
Thu Dec 05, 2019 9:08 pm
Forum: Advanced users
Topic: VL805 firmware release 0137ac - improved USB downstream power switching
Replies: 15
Views: 3685

Re: VL805 firmware release 0137ac - improved USB downstream power switching

Anyhow, it seems to work. Baseline 3.5W. After attaching a device the Pi draws 4.2W, shutting the ports off brings it back to the baseline.
by Jochem
Thu Dec 05, 2019 8:49 pm
Forum: Advanced users
Topic: VL805 firmware release 0137ac - improved USB downstream power switching
Replies: 15
Views: 3685

Re: VL805 firmware release 0137ac - improved USB downstream power switching

> It goes without saying that you won't notice any device power savings unless you have devices in your USB ports... I expected a "power down" of the VL805 chip and maybe a big saving like the 200mA with the 3B as is discussed in other threads. Using only ethernet and trying to minimize power drawn ...
by Jochem
Wed Dec 04, 2019 9:26 pm
Forum: Advanced users
Topic: VL805 firmware release 0137ac - improved USB downstream power switching
Replies: 15
Views: 3685

Re: VL805 firmware release 0137ac - improved USB downstream power switching

> Please test and report back. Reporting back: 1. FW install OK: pi@R4DNSUnifi:~/uhubctl $ sudo rpi-eeprom-update BOOTLOADER: up-to-date CURRENT: ma 18 nov 2019 11:06:55 UTC (1574075215) LATEST: ma 18 nov 2019 11:06:55 UTC (1574075215) VL805: update required CURRENT: 000137ac LATEST: 000137ab 2. pat...

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