linux-kernel - Re: BIOS detects 4 GB RAM, but kernel does not

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Date:	Sat, 29 Jul 2006 12:12:22 -0600
From:	Robert Hancock <hancockr@...w.ca>
To:	linux-kernel <linux-kernel@...r.kernel.org>
Cc:	iforone <floydstestemail@...oo.com>
Subject: Re: BIOS detects 4 GB RAM, but kernel does not

iforone wrote:
> If we take a quick look at (part of) the OP's 'dmesg' output;
>  ACPI: RSDT (v001 INTEL  D915GAV  0x20050429 MSFT 0x00000097) @
>  0x00000000c7730000
>  ACPI: FADT (v002 INTEL  D915GAV  0x20050429 MSFT 0x00000097) @
>  0x00000000c7730200
>  ACPI: MADT (v001 INTEL  D915GAV  0x20050429 MSFT 0x00000097) @
>  0x00000000c7730390
>  ACPI: MCFG (v001 INTEL  D915GAV  0x20050429 MSFT 0x00000097) @
>  0x00000000c7730400
>  ACPI: ASF! (v016 LEGEND I865PASF 0x00000001 INTL 0x02002026) @
>  0x00000000c7736020
>  ACPI: TCPA (v001 INTEL  TBLOEMID 0x00000001 MSFT 0x00000097) @
>  0x00000000c77360c0
>  ACPI: WDDT (v001 INTEL  OEMWDDT  0x00000001 INTL 0x02002026) @
>  0x00000000c77360f4
>  ACPI: DSDT (v001 INTEL  D915GAV  0x00000001 INTL 0x02002026) @
>  0x0000000000000000
>  No NUMA configuration found
>  Faking a node at 0000000000000000-00000000c772f000
>  Bootmem setup node 0 0000000000000000-00000000c772f000
>  No mptable found.
>  On node 0 totalpages: 816943
> 
> ===============
> 
> We see MSFT (Microsoft) all over the place as well as INTL (Intel ?) --
> I suppose this machine may be a Dellio (perhaps HP or Compaq)? or
> atleast one that has one of those stickers on the case that says
> "Designed for use with MS Windows [version]"

I believe that indicates that the Microsoft ACPI compiler was used to 
generate the ACPI tables in the BIOS..

-- 
Robert Hancock      Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@...pamshaw.ca
Home Page: http://www.roberthancock.com/

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