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4
votes
1answer
526 views

Maximum memory usable by a 32 bit RHEL 6 system

I have installed a 32 bit RHEL OS on a 64 bit system. From the wiki page of PAE: The Linux kernel includes full PAE mode support starting with version 2.3.23, with Linus Torvalds mentioning ...
3
votes
1answer
73 views

Can 32 bit applications on a 64 bit kernel use all the memory?

I know that the 32-Bit kernel can use PAE to allocate more RAM to applications with PAE (up to 64GB) as such I imagine if I am running 32 bit applications on a 32-bit kernel I can use all of my 24GB ...
1
vote
0answers
108 views

How to disable PAE feature of kernel, after installation?

I am using RHEL 5.3(x86) as a base platform for my development purpose.My machine's spec is as follows: Intel, Core-i3 Processor @ 2.5GHz 4GB RAM Problem is whenever I am attempting to install the ...
0
votes
1answer
53 views

Is PAE harddrive dependent?

I have two M1400 and I can successfully boot and installed Bodhi Linux on one of them. When I try to boot it on the second one I get a Kernel Error saying that the CPU doesn't support PAE. The two ...
0
votes
1answer
427 views

Does Linux Mint support PAE for 32-bit Cinnamon and MATE?

Does Linux Mint 32-bit support PAE for both Cinnamon and MATE desktop environments?
2
votes
2answers
4k views

How do I find out if my computer has PAE using Linux? [duplicate]

Possible Duplicate: What do the flags in /proc/cpuinfo mean? I tried installing CentOS 6.3 on my computer only to see a complaint that my computer doesn't have PAE. I am not sure if my ...
3
votes
2answers
948 views

How much RAM can an application allocate on 64-bit x86 Linux systems?

Is it true that a single application can not allocate more than 2 GiBs even if the system has GiBs more free memory when using a 32-bit x86 PAE Linux kernel? Is this limit loosened by 64-bit x86 Linux ...
2
votes
2answers
376 views

Fedora 15 i686 report only 2.6 GB RAM

I have laptop Asus N53SV with 4 GB of RAM, i7 with integrated card and dedicated GPU. My problem on Fedora is that system reports only 2.6 GB RAM. I know that I should use kernel with PAE but even ...
3
votes
1answer
163 views

Preemptive kernel and Physical Address Extension

Is there anyone that can tell me why, on a preemptive kernel, PAE would not work? This question is an exam question, however I haven't got a clue why it would not work.
10
votes
2answers
4k views

Why does my system show only 3.2 GiB of RAM when I definitely have 4.0 GiB

I have 2x2 GiB sticks of RAM installed. Running memtest86 from the grub boot menu confirms this.. memtest86 reports no errors. However every which way I check my available memory in a running ...
3
votes
2answers
5k views

What is the difference between 32-bit PAE and 64-bit kernels?

I ask this only in regards to memory addressing. I know that a PAE kernel allows the OS to access more memory than a standard 32-bit kernel, however, what are the other implications? What specific ...
3
votes
1answer
444 views

Is PAE worth it when I have 4GB RAM?

I have 4GB RAM installed on my machine, and I'm considering using all of it (IE, installing PAE-enabled kernel). I heard there's a performance penalty for this, so I wanted to know about other's ...