3
votes
0answers
1k views

USB hub disconnects from Mac Pro occasionally

I have a 2013 Mac Pro (cylinder version) running 10.9.2 and I'm using a Monoprice 24-port USB2 hub with it. About once a day for the past few days, the hub has fallen off the USB bus, along with all ...
0
votes
0answers
45 views

Which Mac models use more than 1 PCIe lane for USB 3 busses?

The 2013 Mac Pro uses only a single PCIe lane for all four USB 3 ports. That means aggregate bandwidth is limited to 500MBps each direction, or 1/4 of the USB 3 potential. source: Anand Tech The ...
1
vote
2answers
671 views

Does Mac Pro 5,1 support USB 3?

I have a Mac Pro 5,1 running 10.7.5. Do any of the USB ports support USB 3? Or do I need to buy a card?
3
votes
1answer
394 views

MACPro restarts one second after shutdown if USB Hub is connected - Why?

i have added a USB3.0 PCIe card (Inateck KTU3FR-4P USB 3.0 expresskarte 4 port) to my Mac (MacPro Early 2008, OS X 10.8.4 (12E55)) ...with this all is working as it should, no problems with shutdown. ...
1
vote
1answer
102 views

What is the USB plug on the Mini-Display Port to Dual-DVI adapter used for?

http://store.apple.com/us/product/MB571Z/A/mini-displayport-to-dual-link-dvi-adapter What is the USB plug used for?
2
votes
1answer
500 views

How many USB buses do Mac Pros have?

I know how many USB ports the Mac Pros have, but what I can't find is an answer to how many dedicated USB buses they have. Reason being, I'm involved in developing an app that uses 3 Kinects to track ...
0
votes
0answers
32 views

Suddenly I can only mount one iOS device at a time

I have two USB ports at the front of my Mac Pro. They both seem to be working fine, as I have tested my iOS devices and other hardware on both. The issue is that I can only mount one iOS device at a ...
3
votes
2answers
1k views

Mac Pro USB ports competing for power?

I have an '08 Mac Pro. If I try plugging in my Belkin N150, it works. Then if I plug in my iPad to the slot beneath it, the wireless kicks out. Then if I plug the wireless back in, they both work. So ...
1
vote
2answers
16k views

Mac Pro: Any way to recognize a bootable USB on startup?

I have a Mac Pro 2,1 2x6-Core Xeon@2.66 GHz and am trying to boot from several ISO images written to USB sticks. I have tried the dd-based methods as recommended by Ubuntu, with no luck. In every case ...