[rhn-users] /usr/bin/top showing false values?

[Deks]

Hi Gurus,
 
I just built an ibm x345 with 2GB ram and 2xCPU(xeon) running Linux ES 3.0 with kernel - Linux version 2.4.21-9.0.1.ELsmp. Apps running are httpd(stock), sendmail and bind. 
This is not yet launched on production so basically this machine is idle. I ran /usr/bin/top and it gives me these output (sorry for the display):
 
17:06:24  up 23:26,  2 users,  load average: 0.00, 0.00, 0.00
62 processes: 61 sleeping, 1 running, 0 zombie, 0 stopped
CPU states:  cpu    user    nice  system    irq  softirq  iowait    idle
           total    0.0%    0.0%    0.0%   0.0%     0.0%    0.3%   99.5%
           cpu00    0.0%    0.0%    0.0%   0.0%     0.0%    0.0%  100.0%
           cpu01    0.0%    0.0%    0.0%   0.0%     0.0%    0.6%   99.3%
           cpu02    0.0%    0.0%    0.0%   0.0%     0.0%    0.0%  100.0%
           cpu03    0.3%    0.0%    0.0%   0.0%     0.0%    0.6%   99.0%

Mem:  2061644k av, 1821244k used,  240400k free,       0k shrd,  130680k buff
                    832828k actv,  866272k in_d,   24184k in_c
Swap: 1024120k av,       0k used, 1024120k free                 1593520k cached

 
My concern is how come it shows 4 cpu's and the memory used way the total. Does that mean when I go to production this machine will need more memory?
 
Is there some settings/tuning parameter I should be aware of?

Thanks for any info.
 
Deks
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