Search found 3 matches

by mexicanw
Tue Mar 03, 2020 9:48 am
Forum: fitlet2 FACET Cards
Topic: USB controller on the FC-USB?
Replies: 1
Views: 21512

USB controller on the FC-USB?

Hello,

Does the FC-USB card come with its own USB controller or does it rely on the same controller as the other USB ports of the motherboard?

Thanks in advance
by mexicanw
Sun Mar 01, 2020 10:15 am
Forum: fitlet2 hardware
Topic: USB 3 XHCI limited to 32 USB devices
Replies: 3
Views: 42171

Re: USB 3 XHCI limited to 32 USB devices

Once I connect too much devices, the kernel outputs this message: [ 272.343677] xhci_hcd 0000:00:15.0: Error while assigning device slot ID [ 272.343699] xhci_hcd 0000:00:15.0: Max number of devices this xHCI host supports is 32. [ 272.343710] usb 1-3-port7: couldn't allocate usb_device I connected ...
by mexicanw
Sun Mar 01, 2020 9:10 am
Forum: fitlet2 hardware
Topic: USB 3 XHCI limited to 32 USB devices
Replies: 3
Views: 42171

USB 3 XHCI limited to 32 USB devices

Hi, I need to connect lots of USB devices to fitlet2. With EHCI (USB 2.0) USB controllers, I was able to connect more than 90 devices but with XHCI only 32 devices are allowed. Does the fitlet2 have an EHCI controller? Is there an option in the BIOS to switch to USB 2.0 in order to be able to connec...

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