From mboxrd@z Thu Jan  1 00:00:00 1970
To: 9fans@cse.psu.edu
Date: Fri,  4 May 2007 08:45:58 +0000
From: "Douglas A. Gwyn" <DAGwyn@null.net>
Message-ID: <0Imdndly2-u0MqfbnZ2dnUVZ_tGvnZ2d@comcast.com>
References: <20070503185314.B22416@orthanc.ca>
Subject: Re: [9fans] usb: keyboards vs. hubs
Topicbox-Message-UUID: 58f0b4fe-ead2-11e9-9d60-3106f5b1d025

"Lyndon Nerenberg" <lyndon@orthanc.ca> wrote in message 
news:20070503185314.B22416@orthanc.ca...
> If the keyboard has anything between it and the CPU (e.g. a hub or KVM)
> it doesn't work.

Assuming there is a USB driver for the keyboard device, then
check whether the problem occurs if the keyboard is already
connected when the computer is powered on.  At least for
PS/2 keyboards, there is an initialization sequence that has to
be performed (KVM switches generally do that).