Kamis, 28 Januari 2010

Re: [ITCENTER] Memory RAM hanya terbaca 70%

Posted by komputer termurah

2010/1/28 A r y a S e t a <aryaseta@gmail.com>:
>
>
> 2010/1/28 dho abi <pliz.dho@gmail.com>
>>
>>
>>
>> Dear All,
>>
>> Om sekalian mohon pencerahannya dunk, saya baru upgrade RAM memory pada
>> linux centos 5, dari 2GB - 6GB.
>> dibios kebaca memory 6GB, setelah msuk linux pas dicek kok terbaca hanya
>> 3,5GBnya yah???
>>
>> #free -m
>> total used free shared buffers cached
>> Mem: 3418 1162 2255 0 35 495
>> -/+ buffers/cache: 631 2787
>> Swap: 1983 0 1983
>>
>> Mohon pencerahnnya knp bisa begini dan solusinya??
>>
>
> Apakah mesinnya 32bit?
>
> Klo benar...silahkan install kernel pae untuk bisa menggunakan seluruh
> memory yang ada (hingga 64GB), karena 32 bit punya keterbatasan memory
> support hanya sampai 4GB.
>
> http://en.wikipedia.org/wiki/RAM_Limit
>
>
> http://wiki.centos.org/FAQ/CentOS5#head-d70935212ce3b7b072b0075c1807a4bd3ea175b7
>
> "kernel-PAE (x86-only): Contains a kernel with support for 64GB of memory on
> x86 systems through Physical Address Extensions (PAE). Only x86 CPUs that
> support PAE can run this kernel. This kernel is provided because x86 systems
> can't address more than 4GB of memory without PAE extensions."

Nambahin cara install kernel pae nya...

http://www.cyberciti.biz/tips/redhat-enterprise-linux-4gb-plus-ram-support.html

-inv-