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Not compatible USB port

FokkerFace
Explorer
If compatibility test tool tells that USB3.0 ports are not compatible, does it mean that Rift won't start up? Or will it start up, but will have lag?

I don't want to add another PCI-E card unless it is absolutely necessary. I've seen some test results including "compatible" and "not compatible" USB 3.0 chipsets, and there was a throughput difference, but is it bad enough for Rift not to function at all? Does anyone know what are throughput requirements for Rift to function normally? As far as I understand one of three USB 3.0 ports is reserved for Touch, but Touch is not even included with initial Rift sale, therefore two USB 3.0 ports are actually required initially, before Touch. Two remaining USB 3.0 ports - I have to guess are used by tracking camera and Rift itself. So what are their requirements?

[edit]

I've found test results I've referred to:


Oculus compatibility tool says Intel X99 is compatible, VIA VL805 is not. While difference is obvious, does Rift really need more than 200MB/s throughput?
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Percy1983
Superstar
I can't say for certain but I believe its more latency than speed with is the problem with some chipsets.

If you go into you device manager and disable the via controller, then test all your USB3 ports, this will then let you know which ports to use and if you have enough.

As you say you only need 2 for the rift out of the box the third being for touch (if you want one that is).
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FokkerFace
Explorer
the problem is - I only have 1 USB3.0 controller, and it's VL805. It uses one v2.0 PCIe lane, therefore latency wouldn't be any different from other controllers. I will test it's throughput today, because it's really surprising that it uses only half of 2.0 PCIe lane 500MB/s throughput.
DK2 sold Rift - preordered, shipment estimate March 28. cancelled. MSI X99A RAIDER, i7-5820K + Corsair H110i GTX, Corsair Vengeance LPX DDR4 64 GB (4x16GB Quad Channel), AMD Radeon R9 Fury X, SSD RAID0 (2x256GB Sata3 A-Data SX900), OCZ ZX 850W 80+

Percy1983
Superstar
Do you not have a chipset usb3 controller?

In my case I have intel ports and AS media ports on my board, the intel ones are fine and the as media not so much.

Using the steps above I could figure which ports where compatible and which weren't.
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FokkerFace
Explorer
No, 990FX doesn't have native USB3.0 support, therefore all USB3.0 ports come from on-board controllers that operate via PCIe lanes. I have only one controller, and it's 4-port VIA VL805.
DK2 sold Rift - preordered, shipment estimate March 28. cancelled. MSI X99A RAIDER, i7-5820K + Corsair H110i GTX, Corsair Vengeance LPX DDR4 64 GB (4x16GB Quad Channel), AMD Radeon R9 Fury X, SSD RAID0 (2x256GB Sata3 A-Data SX900), OCZ ZX 850W 80+

Percy1983
Superstar
Sorry to say it it looks like it might have to be a PCI-e card then.

I am sure somebody will be able to tell you the exact consequences of not being up to spec.
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cybereality
Grand Champion
If the Compat Tool fails your USB ports, it means nothing will work at all. The headset will never even light up and you won't be able to play anything. You should get this add-on card, which is confirmed to work:

http://www.amazon.com/gp/product/B00FPIMJEW
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FokkerFace
Explorer
How will it know what chipset USB3.0 is run with, before even pairing? USB communication protocol is standard for all devices.
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glaze
Honored Guest
"FokkerFace" wrote:
How will it know what chipset USB3.0 is run with, before even pairing? USB communication protocol is standard for all devices.


I remember reading somewhere that many vendors don't implement the standard properly.

H4TE
Expert Protege
"glaze" wrote:
"FokkerFace" wrote:
How will it know what chipset USB3.0 is run with, before even pairing? USB communication protocol is standard for all devices.


I remember reading somewhere that many vendors don't implement the standard properly.


Im curious as well, @Fokker, which Vendor is your Mainboard from?