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walsufnir on 03 April 2013
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ethomaz said:

walsufnir said:

You have a notebook with 8GB RAM and use a 32-Bit-Windows? ;) The "hole" is the result of IO-devices residing also in memory and they block usable ram-areas. Again, 4GB is not the maximum for a 32-bit-system, this issue has been resolved since ages and is revolved by PAE. The maximum ram available to an application is not 3GB ram, it is in fact 2 GB, even with all applications closed because there are more "applications" running than you started ;) The processor doesn't even know "application", it knows a "context".

I had a Notebook with 4GB RAM running Windows XP because some apps of the work that just run in Windows XP... received a new memory module of 4GB from my company... so I installed it while that I was looking for a new SO to use.

At the end my company recommended to install 64bits Linux and run a virtual machine with Windows XP only for some apps I need to use... now I'm running the RHEL 6.4 in my work notebook with 8GB RAM (the Linux see only 7.4GB RAM).

I don't like the RHEL 6.4 but that is the official Linux used in IBM... they have customization and call it OpenClient RHEL 6.4.


Wait, even with a 64-bit-linux you only see 7.4 GB RAM? Than you have discrete graphics, right? And yes, RHEL is totally crap. I prefer debian-based distributions, but be happy that IBM hasn't ported AIX for x86 ;)