PS/2 peripherals

[John Bowden]

----- Original Message ----- 
From: "Mikkel L. Ellertson" <mikkel at infinity-ltd.com>
To: "For users of Fedora" <fedora-list at redhat.com>
Sent: Monday, March 05, 2007 6:01 PM
Subject: Re: PS/2 peripherals


Gareth Howlett wrote:
>
>
> We’ve got a number of computers sitting around the office that don’t
> detect PS/2 peripherals when plugged-in.  If they were plugged-in during
> boot they work just fine, but if they were plugged-in after boot they don’t.
>
> 1)       Anyone here ever heard of this before?
>
> 2)       Is there anything I can do about it (force a kernel re-detect?)
>
>
>
> I’ve checked the BIOS settings and I’m using FC4 (2.6.12-1.1447).  Dmesg
> and /var/log/messages don’t display anything relevant (in the after-boot
> case).
>
First of all, most (all) PS/2 devices are not designed to be
hotplugged. Depending on the BIOS, it may disable the PS/2 mouse
connection if there is not a mouse plugged in at boot. There may be
a BIOS setting for this. But if I remember correctly, this is a
choice of off or auto.

Depending on your hardware, you may also be running the risk of
destroying the PS/2 device or motherboard circuitry.

Mikkel
-- 

  Do not meddle in the affairs of dragons,
for thou art crunchy and taste good with Ketchup!

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Its likely that you have blown the ps2 ports by hot plugging. The bios will 
only report whats plugged into them durring the post test, so if you plug in 
a mouse or key board after the post test has finished the biosdoes not see 
them