Fedora and 4GB of memory

[Tom Mitchell]

On Wed, May 12, 2004 at 07:51:57AM -0600, Anne & Lynn Wheeler wrote:
> > What does /proc/meminfo tell:
...> > And what does /var/log/dmesg tell us.
> 
> cat /proc/meminfo
> 
> Enabling APIC mode:  Flat.  Using 1 I/O APICs
> Using ACPI (MADT) for SMP configuration information
.....
> & /var/log/dmesg:
> 
> Linux version 2.6.5-1.358smp (bhcompile at bugs.build.redhat.com) (gcc
> version 3.3.3 20040412 (Red Hat Linux 3.3.3-7)) #1 SMP Sat May 8
> 09:25:36 EDT 2004
> BIOS-provided physical RAM map:
>  BIOS-e820: 0000000000000000 - 00000000000a0000 (usable)
>  BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
>  BIOS-e820: 0000000000100000 - 00000000dff74000 (usable)
>  BIOS-e820: 00000000dff74000 - 00000000dff76000 (ACPI NVS)
>  BIOS-e820: 00000000dff76000 - 00000000dff97000 (ACPI data)
>  BIOS-e820: 00000000dff97000 - 00000000e0000000 (reserved)
>  BIOS-e820: 00000000fec00000 - 00000000fec10000 (reserved)
>  BIOS-e820: 00000000fecf0000 - 00000000fecf1000 (reserved)
>  BIOS-e820: 00000000fed20000 - 00000000fed90000 (reserved)
>  BIOS-e820: 00000000fee00000 - 00000000fee10000 (reserved)
>  BIOS-e820: 00000000ffb00000 - 0000000100000000 (reserved)
> 0MB HIGHMEM available.
> 3583MB LOWMEM available.

Sounds like the bios is reporting 3583MB and  4GB was seen.
It is not clear what the bios is reserving it for.
What if you turn ACPI off in your bios setup?
Graphics?


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