From owner-freebsd-ia64@FreeBSD.ORG  Wed Mar 20 14:06:55 2013
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Date: Wed, 20 Mar 2013 09:59:25 -0400
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Subject: Re: USB host controllers on a server that does not use USB devices?
From: "illoai@gmail.com" <illoai@gmail.com>
To: mexas@bristol.ac.uk
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On 20 March 2013 05:10, Anton Shterenlikht <mexas@bristol.ac.uk> wrote:
> This is on an ia64 server.
>
> Do I need these devices in kernel:
>
> device          ehci            # EHCI host controller
> device          ohci            # OHCI PCI->USB interface
> device          uhci            # UHCI PCI->USB interface
>
> if I don't ever attach any usb devices to it?

Probably not on a server, but there are some built-in
devices in some notebooks (webcam & bluetooth)
that are run through a usb bus.

usbconfig(8) may be helpful.

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