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Date: Wed, 06 May 2009 12:34:31 +0200
From: Jan Kiszka <jan.kiszka@siemens.com>
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Subject: Re: [Qemu-devel] Re: Question about KVM and PC speaker
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To: Sebastian Herbszt <herbszt@gmx.de>
Cc: Qemu-devel@nongnu.org, kvm@vger.kernel.org, Simon Bienlein <simon@linux-fuer-blinde.de>

Sebastian Herbszt wrote:
> Simon Bienlein wrote:
>> Is a support for BIOS worked on right now?
> 
> The vgabios (vgabios.c) has a "FIXME should beep". Volker, do you plan
> to fix this?
> 
> Which frequency should be used for the beep? Which delay?

I would try 1 KHz and some hundred milliseconds.

> Getting a delay using "inb(0x61) & 0x10" is still a no go on qemu, right?

Looks like (should be far too inaccurate for longer delays). What about
0x40:0x6c, the BIOS' daily timer counter?

Jan

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