Why won't this cable work? Firewire800>Thunderbolt>USB-C. I'm trying to mount an external drive on a Mac Pro 5,1 (Mid-2010). The drive doesn't seem to be getting power. Any tips would be appreciated.
LaCie Rugged Triple 1TB External Hard Drive Portable HDD – USB 3.0 FireWire 800 compatible for Mac and PC Computer Desktop Workstation Laptop (STEU1000400) : Electronics - Amazon.com
Amazon.com: FireWire 800 4-9 Pin DV Cable/Cord/Lead for Lacie External Hard Drive Disk HDD : Industrial & Scientific