>Firewire external hd that I now dongle to Thunderbolt, have noooo idea how I'm going to get that to work).
Simply add another dongle, the Apple “Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter” and you’re good to go.
I just tested mine before posting this, from a FW800 drive with the Apple FireWire-Thunderbolt adapter plugged in to the Apple Thunderbolt 2-3 adapter. Works on M1 Macs too.
Simply add another dongle, the Apple “Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter” and you’re good to go.
I just tested mine before posting this, from a FW800 drive with the Apple FireWire-Thunderbolt adapter plugged in to the Apple Thunderbolt 2-3 adapter. Works on M1 Macs too.