Messages in this thread | | | From | "Hakona Spect" <> | Subject | Re: 4Gb memory? | Date | Mon, 27 Oct 2003 16:32:59 -0500 |
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$/sbin/lspci 00:00.0 Host bridge: Intel Corp. 82860 860 (Wombat) Chipset Host Bridge (MCH) (rev 04) 00:01.0 PCI bridge: Intel Corp. 82850 850 (Tehama) Chipset AGP Bridge (rev 04) 00:02.0 PCI bridge: Intel Corp. 82860 860 (Wombat) Chipset AGP Bridge (rev 04) 00:1e.0 PCI bridge: Intel Corp. 82801BA/CA/DB PCI Bridge (rev 04) 00:1f.0 ISA bridge: Intel Corp. 82801BA ISA Bridge (LPC) (rev 04) 00:1f.1 IDE interface: Intel Corp. 82801BA IDE U100 (rev 04) 00:1f.2 USB Controller: Intel Corp. 82801BA/BAM USB (Hub #1) (rev 04) 00:1f.3 SMBus: Intel Corp. 82801BA/BAM SMBus (rev 04) 00:1f.4 USB Controller: Intel Corp. 82801BA/BAM USB (Hub #2) (rev 04) 00:1f.5 Multimedia audio controller: Intel Corp. 82801BA/BAM AC'97 Audio (rev 04) 01:00.0 VGA compatible controller: nVidia Corporation NV25GL [Quadro4 700 XGL] (rev a3) 02:1f.0 PCI bridge: Intel Corp. 82806AA PCI64 Hub PCI Bridge (rev 03) 03:00.0 PIC: Intel Corp. 82806AA PCI64 Hub Advanced Programmable Interrupt Controller (rev 01) 04:0b.0 Ethernet controller: 3Com Corporation 3c905C-TX/TX-M [Tornado] (rev 78) 04:0c.0 FireWire (IEEE 1394): Texas Instruments TSB12LV26 IEEE-1394 Controller (Link)
>From: Zwane Mwaikambo <zwane@arm.linux.org.uk> >To: Hakona Spect <ear22@hotmail.com> >CC: linux-kernel@vger.kernel.org >Subject: Re: 4Gb memory? >Date: Mon, 27 Oct 2003 16:10:18 -0500 (EST) > >On Mon, 27 Oct 2003, Hakona Spect wrote: > > > Hi, I just installed 4GB memory to my system. In BIOS it shows up all >8x512M > > chips. But after boot it shows: > > > > $ free > > total used free shared buffers >cached > > Mem: 3753328 566800 3186528 0 96040 >189960 > > -/+ buffers/cache: 280800 3472528 > > Swap: 2096440 0 2096440 > > > > $dmesg > > Linux version 2.4.22 (root) (gcc version 3.2.2 20030222 (Red Hat Linux > > 3.2.2-5)) #1 SMP Mon Oct 27 12:44:16 EST 2003 > > BIOS-provided physical RAM map: > > BIOS-e820: 0000000000000000 - 00000000000a0000 (usable) > > BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved) > > BIOS-e820: 0000000000100000 - 000000007ff77000 (usable) > > BIOS-e820: 000000007ff77000 - 000000007ff79000 (ACPI NVS) > > BIOS-e820: 000000007ff79000 - 00000000e7f77000 (usable) > > BIOS-e820: 00000000e7f79000 - 00000000e8000000 (reserved) > > BIOS-e820: 00000000fec00000 - 00000000fec10000 (reserved) > > BIOS-e820: 00000000fee00000 - 00000000fee10000 (reserved) > > BIOS-e820: 00000000ffb00000 - 0000000100000000 (reserved) > > user-defined physical RAM map: > > user: 0000000000000000 - 00000000000a0000 (usable) > > user: 00000000000f0000 - 0000000000100000 (reserved) > > user: 0000000000100000 - 000000007ff77000 (usable) > > user: 000000007ff77000 - 000000007ff79000 (ACPI NVS) > > user: 000000007ff79000 - 00000000e7f77000 (usable) > > user: 00000000e7f79000 - 00000000e8000000 (reserved) > > user: 00000000fec00000 - 00000000fec10000 (reserved) > > user: 00000000fee00000 - 00000000fee10000 (reserved) > > user: 00000000ffb00000 - 0000000100000000 (reserved) > > 2815MB HIGHMEM available. > > 896MB LOWMEM available. > >Which motherboard? Some boards will reserve some of the area between ~3.7 >and 4G for various option roms and other devices present in the system. >Resulting in "lost" physical RAM. >
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