RHLE5- Different size of RAM memory: BIOS vs OS

[Mike Kearey]

http://kbase.redhat.com/faq/FAQ_79_3894.shtm






obed wrote:
> Hi all...
> I installed RHEL5 in a sun server Sunfire x2100 it has 1 GB in RAM in
> BIOS I can see 1024 KB but in the OS look:
> 
> [root at srv-lnx ~]# more /proc/meminfo
> MemTotal:       896024 kB
> MemFree:        539736 kB
> Buffers:         18088 kB
> Cached:         221924 kB
> SwapCached:          0 kB
> Active:         139548 kB
> Inactive:       175300 kB
> HighTotal:           0 kB
> HighFree:            0 kB
> LowTotal:       896024 kB
> LowFree:        539736 kB
> SwapTotal:     2031608 kB
> SwapFree:      2031608 kB
> Dirty:               8 kB
> Writeback:           0 kB
> AnonPages:       74792 kB
> Mapped:          16960 kB
> Slab:            19236 kB
> PageTables:       8632 kB
> NFS_Unstable:        0 kB
> Bounce:              0 kB
> CommitLimit:   2479620 kB
> Committed_AS:   290896 kB
> VmallocTotal: 34359738367 kB
> VmallocUsed:      1344 kB
> VmallocChunk: 34359736919 kB
> HugePages_Total:     0
> HugePages_Free:      0
> HugePages_Rsvd:      0
> Hugepagesize:     2048 kB
> 
> [root at srv-lnx ~]# free -k
>              total       used       free     shared    buffers     cached
> Mem:        896024     356164     539860          0      18096     221956
> -/+ buffers/cache:     116112     779912
> Swap:      2031608          0    2031608
> 
> 
> top - 12:11:00 up  3:17,  2 users,  load average: 0.00, 0.00, 0.00
> Tasks: 101 total,   2 running,  99 sleeping,   0 stopped,   0 zombie
> Cpu(s):  0.2%us,  0.0%sy,  0.0%ni, 99.8%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
> Mem:    896024k total,   356472k used,   539552k free,    18120k buffers
> 
> 
> It's not a Giga... it's that ok?...
> 
> Do i have to do something special to the whole Giga, It's something wrong?
> 
> Any help will be appreciate...
> 
> Thanks in advance...
> 
> obed.
> 
> 
>