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Date: Mon, 22 Nov 2010 00:05:52 +0100 From: Jiri Slaby <jirislaby@...il.com> To: Andreas Hartmann <andihartmann@...19freenet.de> CC: linux-kernel@...r.kernel.org Subject: Re: missing 700 MB of RAM 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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