Re: 4GB memory and Intel Dual-Core system

[Lukas Hejtmanek <xhejtman@mail.muni.cz>]

Hello,

I have system with 2 Pentium 4 Xeon EM64T processors using 4GB of RAM.

Kernel is 2.6.13.4 compiled for x86_64 architecture.

Btw, /proc/cpuinfo reports, that only 36 bits are availalable for physical 
memory. Not 40.

# cat /proc/meminfo 
MemTotal:      4075408 kB
MemFree:         23696 kB

# cat /proc/iomem
[...]
dd100000-dd3fffff : PCI Bus #01
  dd100000-dd100fff : 0000:01:00.1
  dd101000-dd101fff : 0000:01:00.3
  dd200000-dd2fffff : PCI Bus #02
    dd200000-dd201fff : 0000:02:02.0
      dd200000-dd200fff : aic79xx
    dd202000-dd203fff : 0000:02:02.1
      dd202000-dd202fff : aic79xx
    dd220000-dd23ffff : 0000:02:03.0
      dd220000-dd23ffff : e1000
    dd240000-dd25ffff : 0000:02:03.1
      dd240000-dd25ffff : e1000
  dd300000-dd3fffff : PCI Bus #03
    dd300000-dd3fffff : 0000:03:04.0
dd400000-deffffff : PCI Bus #06
  dd400000-dd400fff : 0000:06:01.0
  de000000-deffffff : 0000:06:01.0
e0000000-efffffff : reserved
fec00000-fec0ffff : reserved
fee00000-fee00fff : reserved
ff800000-ffbfffff : reserved
fffffc00-ffffffff : reserved
100000000-12fffffff : System RAM

According to /proc/pci it is E7520/E7525 board. It has a number of PCI devices.

-- 
Lukáš Hejtmánek
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