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From: Jung-uk Kim <jkim@FreeBSD.org>
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Date: Wed, 15 Feb 2006 17:57:44 -0500
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Cc: huangxiangkui@gmail.com, "Moore, Robert" <robert.moore@intel.com>
Subject: Re: How can I fix these problems of the asl of my computer?
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On Wednesday 15 February 2006 05:39 pm, Moore, Robert wrote:
> ze2205au.asl  4138:             Name (_WDG, Buffer (0x50)
> Warning  2033 -    Unknown reserved name ^  (_WDG)
>
> ze2205au.asl  4699:             Method (_WED, 1, NotSerialized)
> Warning  2033 -      Unknown reserved name ^  (_WED)

This is a very common problem with all recent HP/Compaq laptops:
http://gentoo-wiki.com/Talk:HOWTO_Fix_Common_ACPI_Problems

> 2) Ignore the warnings. Your BIOS writers did not read the ACPI
> spec or became blind sometime in the middle of it, highly probable.
> :-)

No, they are not blind.  They just work for the dark side. ;-)

Both _WDG and _WED are Microsoft extensions:
http://www.microsoft.com/whdc/system/pnppwr/wmi/wmi-acpi.mspx

Jung-uk Kim