Quote:
Originally Posted by RayPaula
I don't have any USB hubs due to never needing one. I'll try to find someone that has one to give it a try. Did you try your USB 2.0 hub on a M1 Mac? If so, could you please give me the name of the hub? Thanks for your help, appreciate it.
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I did connect different kinds of old hardware (navigation, camera, scanner, portable hdd, dvd-rom, e-book reader, e-piano, synthesizer) to an M1 by using a USB 2.0 hub.
Reason for a USB problem imho could be that signal polling method on USB 2.0 is only one way. Means either it can send or receive data; called half duplex. At USB 3.0 it sends and recieves data simultaneously ; called full duplex.
This together with modern hard- and buggy software act as a trouble maker. My macbook pro (Mid2012) USB problems occcoured first with upgrading from mojave to catalina (32bit to 64bit).
From my experience I got certain problems when using old hardware connected via a USB 3.0 hub to an M1.
Maybe a reason could be the cableling which is a 4 wires with USB 2.0 and a 9 wires with USB 3.0. Also there is a difference with the power which on USB 2.0 is up to 500mA against a up to 900mA with USB 3.0. I really don`t know but thats why I came to idea to avoid this by using an active USB 2.0 hub (active to give me the safety that connected devices will receive the right amount of needed power). Also by using a USB 2.0 hub I force the computer driver only to use 2.0 protocoll.
I use my old LogiLink UA0085 hub and a chinese noname charger supplying 5V/2A to it. For connecting to the USB-C on the M1, I use an adapter USB 3.2 Typ C auf USB 3.0. (It doesn`t matter that the adapter is a 3.0 Version because the hub only delivers 2.0 signaling!) Due to fact that the hub only uses an USB Type B port, I use its original cable and a hitch inbetween to connected to the type C cable. Yes, a wired setup but I have a lot old computer stuff lying around to experiment with.
https://www.amazon.de/LogiLink-4-Por.../dp/B003ECC6O4
https://www.amazon.de/CableCreation-.../dp/B0194WSKOM
https://www.amazon.de/deleyCON-Adapt...s%2C103&sr=1-3
Ask your windows friends for a 2.0 hub; I am sure somebody will have an old one. As I said an active hub will be better to avoid power problems. Garmin devides need a certain amount of power to start and to connect!
And imho your are right: Garmins support and update policy is a shame and absolutely pain in the ass.
hth
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