Gentoo Archives: gentoo-user

From: Neil Bothwick <neil@××××××××××.uk>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Re: Does USB devices share bandwidth?
Date: Fri, 23 Jun 2006 07:48:40
Message-Id: 20060623083836.2d92aac0@hactar.digimed.co.uk
In Reply to: [gentoo-user] Re: Does USB devices share bandwidth? by "张韡武"
1 On Fri, 23 Jun 2006 10:13:47 +0800, 张韡武 wrote:
2
3 > When the kernel boots it shows me that only ohci device is discovered,
4 > someone suggested that ohci only support USB 1.x. Now lspci shows the
5 > card has "USB 2.0". I don't understand, does it work in the way that the
6 > card either work in 2.0 mode with one device, or USB 1.0 with two
7 > separate devices?
8 >
9 > What if I remove OCHI and add back only UHCI driver in the kernel?
10
11 OHCI and UHCI are both USB 1.1, which one you use depends on your USB
12 chipset. USB 2.0 uses EHCI. Do you have this module installed?
13
14
15 --
16 Neil Bothwick
17
18 Old programmers never die; they just branch to a new address.

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