Gentoo Archives: gentoo-server

From: Bastian Balthazar Bux <BastianBalthazarBux@×××××××××.it>
To: gentoo-server@l.g.o
Subject: Re: [gentoo-server] Opteron; BIOS ack's all 4GB RAM, but OS does not
Date: Sat, 14 May 2005 16:28:04
Message-Id: 4286271C.6010905@pnpitalia.it
In Reply to: [gentoo-server] Opteron; BIOS ack's all 4GB RAM, but OS does not by Christian Parpart
1 Christian Parpart wrote:
2 > Hi all,
3 >
4 > I finally got it; my Operaton workstation with 2x Opteron248 CPUs and 4GB RAM
5 > is arrived. However, the BIOS says that I really have 4GB RAM inside, that I
6 > have, but the Linux is just telling me something about 3GB. `free -mt` as
7 > well as `kinfocenter` are telling this. Although, I (unfortunately) *had* to
8 > install windows2003 on a partition, too (for working for my company), and
9 > there it is also just telling me something about 3 (instead of 4) GB RAM.
10 >
11 > Did I miss something?
12 >
13 > mem=4096M in boot commandline didn't help there much.
14 >
15 > I'm having a TYAN board, with PhoenixBIOS on it. The handbook is far off being
16 > a good handbox, so, did I miss something I should configure/reconfigure in
17 > the BIOS then, so, that the OS will use all RAM?
18
19 theese are more or less memory related values in my kernel config
20
21 CONFIG_MTRR=y
22 CONFIG_K8_NUMA=y
23 CONFIG_DISCONTIGMEM=y
24 CONFIG_GART_IOMMU=y
25
26 and this my "free" output:
27 free -m
28 total used free shared buffers cached
29 Mem: 3429 3069 359 0 627 1775
30 -/+ buffers/cache: 667 2762
31 Swap: 0 0 0
32
33 is this the same as you ?
34
35 Regards francesco
36
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Replies

Subject Author
Re: [gentoo-server] Opteron; BIOS ack's all 4GB RAM, but OS does not Christian Parpart <trapni@g.o>