Hello everyone...
I manage a server with this spec:
4 (Quad) Pentium III Xeon 700 MHz
4 GB PC100 RAM
After I installed Red Hat 7.0, the system only recognized 896 MB of the
installed RAM (dmesg snippets following):
-- dmesg snippet --
Linux version 2.2.16-22smp ([EMAIL PROTECTED]) (gcc version
egcs-2.91.66 19990314/Linux (egcs-1.1.2 release)) #1 SMP Tue Aug 22 16:39:21
EDT 2000
Warning only 896MB will be used.
Intel MultiProcessor Specification v1.4
Virtual Wire compatibility mode.
OEM ID: INTEL Product ID: SKA40 APIC at: 0xFEE00000
Processor #3 Pentium(tm) Pro APIC version 17
Processor #0 Pentium(tm) Pro APIC version 17
Processor #1 Pentium(tm) Pro APIC version 17
Processor #2 Pentium(tm) Pro APIC version 17
I/O APIC #4 Version 17 at 0xFEC00000.
I/O APIC #5 Version 17 at 0xFEC01000.
Processors: 4
mapped APIC to ffffe000 (fee00000)
mapped IOAPIC to ffffd000 (fec00000)
mapped IOAPIC to ffffc000 (fec01000)
Detected 697732 kHz processor.
-- end of dmesg snippet --
If I recall correctly, the default Linux 2.2.x kernel can only support 2 GB
of RAM (it's been a while since I follow the last Linux news). When I
searched the web, I hit several links indicating that there are patches to
make 2.2.x kernel support up to 4 GB RAM approximately.
My question is, how do I configure my system so it can see all 4 GB RAM?
Do I need to compile patched kernel from source? If so, where is the
official patch and how to correctly install the kernel onto Red Hat 7.0?
Or I have to do nothing and just by specifying mem=4096MB in /etc/lilo.conf
will just do the trick?
Thanks a lot for the help.
Regards,
John
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