From: Jiri Slaby <jirislaby@gmail.com>
To: Andreas Hartmann <andihartmann@01019freenet.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: missing 700 MB of RAM
Date: Mon, 22 Nov 2010 00:05:52 +0100 [thread overview]
Message-ID: <4CE9A5D0.4080701@gmail.com> (raw)
In-Reply-To: <icbqak$32o$1@ID-44327.news.uni-berlin.de>
On 11/21/2010 08:02 PM, Andreas Hartmann wrote:
> I've got 8 GB RAM installed, but linux reports 7,3 GB. Where is the
> missing RAM (700 MB)?
...
> The motherboard is a GA-MA78GM-S2H (64bit, AMD) with a on board Radeon
> HD 3200 VGA card. The card uses 256 MB of RAM - so 444 MB of RAM are
> missing. Where are they gone?
Hi, ask your BIOS:
> BIOS-provided physical RAM map:
> BIOS-e820: 0000000000000000 - 000000000009f800 (usable)
> BIOS-e820: 000000000009f800 - 00000000000a0000 (reserved)
> BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
> BIOS-e820: 0000000000100000 - 00000000afde0000 (usable)
> BIOS-e820: 00000000afde0000 - 00000000afde3000 (ACPI NVS)
> BIOS-e820: 00000000afde3000 - 00000000afdf0000 (ACPI data)
> BIOS-e820: 00000000afdf0000 - 00000000afe00000 (reserved)
> BIOS-e820: 00000000e0000000 - 00000000f0000000 (reserved)
> BIOS-e820: 00000000fec00000 - 0000000100000000 (reserved)
> BIOS-e820: 0000000100000000 - 0000000230000000 (usable)
It reports 7677M of usable mem. Or maybe your loader is cheating on you?
I doubt so...
regards,
--
js
next prev parent reply other threads:[~2010-11-21 23:05 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-21 19:02 missing 700 MB of RAM Andreas Hartmann
2010-11-21 23:05 ` Jiri Slaby [this message]
2010-11-22 4:55 ` Thomas Fjellstrom
2010-11-22 23:26 ` Yinghai Lu
[not found] <fRnsu-1X9-15@gated-at.bofh.it>
[not found] ` <fRrcJ-8j1-3@gated-at.bofh.it>
2010-11-22 21:58 ` Andreas Hartmann
2010-11-22 22:37 ` Jiri Slaby
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