PAE (Physical Address Extension) is a feature which allows 32-bit x86 processors to access more than 4GB of memory (RAM). As of Ubuntu 12.04, the PAE kernel is the default for 32-bit installations. PAE is supported by all Intel processors since the Pentium II and by AMD since the Athlon; notable ...

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only showing 3.1gb ram and not 8gb

First time posting. I had a win7 machine with 8gb ddr2 ram and wanted to build a ubuntu machine. I installed 64bit from the downloaded cd and all went ok. On my bios pages it shows 8gb yet under ...
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12 views

How can I install Lubunt 13.10 on a non-PAE CPU? [duplicate]

Hello I am trying to install Lubunt13.10 on a 86 system (on a ThinkPad T42) I have downloaded the Intel x86 desktop version and used the Universal USB Installer to create the USB When I try to run the ...
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123 views

12.04 MINI.ISO complains about CPU non-pae!

I have a non-ape capable CPU on my old PC and I am completely aware of this. This is why I try to install the mini.iso first. I have made a bootable USB on working ubuntu 12.04 system. I can boot the ...
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2answers
53 views

How to run Ubuntu after installing it on Lubuntu OS?

I had the problem of PAE kernel discussed here I decided to do as described in the first workaround by installing Lubuntu. After I finished installing Lubuntu, I ran the sudo apt-get install ...
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1answer
101 views

Can't Boot An Intel Equipped Laptop From the Burned ISO For 13.10 ISP (X386)

Keep getting an error message that "This kernel requires the following features not present on this CPU: pae". I'm running an Intel Pentium M 2.0 GHz, with 2 GB of RAM on a 60 GB hard drive. This is ...
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1answer
64 views

Is Ubuntu 32bit limited to 4Gigs of RAM

OK I have a Poweredge 2650 we are repurposing. Since it doesn't support 64bit :( I have to use the 32bit. However I know windoze has the 4gig limitation. Does 12.04 i386?
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92 views

PAE and Ubuntu 12.04

I installed 32 bit Ubuntu 12.04. I enabled pae in Ubuntu 12.04 and selected 3.2.0-54-generic-pae in boot menu. I installed 4 gig memory but Ubuntu still shows only 3 gig memory. I see 4 gig memory in ...
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1answer
129 views

Boot off of Ubuntu 12.04 using old kernel

Here's the thing, I was resizing my partition and gparted crashed (I was running Ubuntu 12.04 LTS and Windows XP SP3 dual boot), so now my computer won't boot. I wanted to try and use the PPA ...
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1answer
51 views

How to restore previous pae

I installed ubuntu 12.04 LTS on VMWare Workstation. On server, I installed Ubuntu-desktop. Everything is OK. But when I upgraded pae and other files pointed by update manager, It became trouble. ...
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1answer
232 views

Only 3GB of RAM with PAE kernel on 12.04

I've installed 4GB RAM on my Thinkpad X60 running Ubuntu 12.04. Then I've installed PAE-enabled kernel. Now uname -r outputs 3.2.0-50-generic-pae My CPU is capable of PAE: $ grep pae /proc/cpuinfo ...
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Do I have PAE Kernel?

I have installed the 3.9rc8 linux-image but it doesn't show up as PAE. I Have 4 gb of RAM and the packages linux-image-generic-pae and linux-image-3.2.0-49-generic-pae are installed. Thanks!
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1answer
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Can I Install Ubuntu on a older laptop with a intel pentium processor (which doesn't have pae)?

I currently have Ubuntu 11.10, and I finally decided to upgrade. So I downloaded the .iso file from the site (Ubuntu 13.04, 32 bit), and put it on a 2gb thumb drive. I booted from the thumb drive, and ...
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1answer
113 views

Non-pae plus unstable Intel display driver

I have three non-pae (Pentium M) laptops. They are all in a good physical state and work perfectly well, so I have no reason to stop using them... that is, except for getting left behind as the later ...
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1answer
80 views

My pc works at high performance due to Ubuntu 12.10 [closed]

I have a dell pc. It is have two graphics card (4100 and 7730m). I used solves on internet sites but then borders and desktop menu disappers. Sorry for bad English. Please help me!
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1answer
1k views

Non-PAE system updating to PAE kernels?

I just had an Ubuntu system of mine completely die on me after upgrading it and now I am confused. Basically, it is an older machine (Intel P3, 512MB RAM, etc) that I use as a command line only test ...
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1answer
812 views

How do I boot Ubuntu in VirtualBox complaining that my CPU is incompatible?

After a long time spent with OS from boys from Redmont I would like to try something new. I decided to try some Linux editions, also Ubuntu Linux. I am completely new to this matter, this is also my ...
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1answer
410 views

java not allowing for the use of all 8gb of ram

I have a 32bit version of Ubuntu server with PAE active allow for the full use of the 8gb of RAM but I can't use more than 2gb of RAM in Java. I run the command java -Xms6G -Xmx7G -jar server.jar ...
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1answer
181 views

Do I need to reinstall NVidia (and any other) drivers if I install pae kernel

I was going to add RAM to my notebook to a total of more than 4GB, and I have Ubuntu 12.04 32bit; so I installed the pae version of the linux kernel and booted with it to give it a try before I buy ...
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1answer
3k views

Upgrading to Xubuntu 12.10 using a Non-PEA supported CPU [duplicate]

Possible Duplicate: Will it be possible to use a non-pae kernel in 12.10 I have just been upgrading my Xubuntu 12.04 system to Xubuntu 12.10. However I've got several error message during ...
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0answers
14 views

PAE Kernel Error while Installing 12.04 [duplicate]

Possible Duplicate: How can I install 12.04 on a non-PAE CPU? (error “Kernel requires features not present on the CPU: PAE”) Tried to install Ubuntu 12.04 but getting an error: this kernel ...
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0answers
46 views

How do I stop 12.04 and 12.10 update to PAE during fresh install [duplicate]

Possible Duplicate: I get two kernel updates, one for Generic and one for Generic-PAE How do I stop being offered updates for PAE kernels? The default kernel is PAE version, but when I ...
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1answer
2k views

Enabling PAE in Ubuntu 12.04 on Asus EEE PC 1025C

I have a EEE PC 1025C which came pre-loaded with Windows 7 Starter Edition. I installed Ubuntu 12.04 32-bit as dual-boot with no difficulties. An output of uname -r gave an output of ...
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75 views

Why is 12.04.1 “unable to boot” [duplicate]

Possible Duplicate: How can I install 12.04 on a non-PAE CPU? (error “Kernel requires features not present on the CPU: PAE”) I am trying to install Ubuntu 12.04.1 for the first ...
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687 views

PAE on Ubuntu 12.04

I am having trouble using PAE on Ubuntu 12.04 LTS 32bit. I recently upgraded from 4 to 8gb of RAM but PAE doesn't appear to have picked this up. When I run grep --color=always -i PAE /proc/cpuinfo I ...
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0answers
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pae kernel required for my cpu [duplicate]

Possible Duplicate: How can I install 12.04 on a non-PAE CPU? (error “Kernel requires features not present on the CPU: PAE”) Virtualbox install 12.04 guest: “pae not ...
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0answers
29 views

How to do a fresh install of 12.04 on non-PAE CPU PC? [duplicate]

Possible Duplicate: How can I install 12.04 on a non-PAE CPU? (error “Kernel requires features not present on the CPU: PAE”) I can not install 12.04 Desktop on non-PAE CPU PC. ...
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3answers
18k views

Will it be possible to use a non-pae kernel in 12.10

I know that Ubuntu +1 questions are frowned upon, but this I believe is a fair exception. Currently I have 2 systems running Ubuntu 12.10, and one of them has a Pentium M that doesn't support PAE ...
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3answers
993 views

Do I need to do anything after upgrading my ram from 2gb tp 4gb(2x2gb)

I got a new 2gb ram and i am going to add it along with my existing 2gb card making it 2x2gb=4gb ram. do i have to do anything extra to make it work as 4gb fully? Anything to do with the PAE kernel ...
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4answers
2k views

4GB RAM not detected

I've got 4GB on my machine (two cards of 2GB) although the command free -m says: total: 2001 used: 1816 free: 185 I've got 12.04 and I think PAE should be installed and enabled automatically. ...
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1answer
8k views

Virtualbox install 12.04 guest: “pae not present”

I get this message while trying to install Ubuntu 12.04 as a guest in VirutalBox 4.1.18, on an Ubuntu 10.04 host. This kernel requires the following feature not present on the CPU: pae Some ...
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1answer
766 views

How do I create a 12.04 LiveUSB for a non-PAE machine?

I'm trying to create a dual-boot laptop with Ubuntu 12.04 and some flavor of Windows (TBD). To do that, I need to do some work on partitions & install 12.04. To do that, I need to create a ...
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1answer
390 views

How do I stop being offered updates for PAE kernels? [duplicate]

Possible Duplicate: I get two kernel updates, one for Generic and one for Generic-PAE I am using Ubuntu 12.04 . I don't want to use PAE kernels so i am using normal kernels . but update ...
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1answer
5k views

How to replace a PAE kernel with non PAE Kernel?

After reading the information from my Question pros/cons of PAE , i want to remove PAE kernel because i don't need them . I know removing a kernel from Synaptic Package Manager . Thats easy job but ...
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3answers
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For a 32-bit kernel, what are the pros/cons of PAE vs. non-PAE?

I am using Ubuntu 12.04 32-bit. My kernels are PAE kernels. I know these are the kernels we can use for 32-bit OS which have 4 GB RAM, to utilize all 4GB of RAM. My system is a 32-bit system. So I ...
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2answers
1k views

How do I install a non-PAE kernel on PAE-enabled hardware for Ubuntu 12.04?

I need to install a non-PAE kernel for a 64-bit machine that supports PAE. 32-bit 12.04 currently comes with a PAE kernel but I need to get a non-PAE kernel. An older version of Ubuntu is also ...
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0answers
33 views

How to install ubuntu 12.04 without Physical Address Extension? [duplicate]

Possible Duplicate: Cannot install due to the error “Kernel requires features not present on the CPU: PAE” Physical Extension Memory is required in my computer to install ubuntu ...
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3answers
1k views

64bit Failed to execute init when booting from PAE kernel, 32bit works fine

Installed 64bit from livecd. Works perfectly as installed with generic kernel. Installed PAE kernel via apt-get and upon reboot get: Failed to execute /init Kernel panic - not synching. No init ...
8
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3answers
6k views

Ubuntu 12.04 LTS 32bit does not detect 4Gb ram

I have recently installed 4Gb of ram for an existing 12.04 32bit Ubuntu. It's not being recognised, only 3.2Gb is showing, See: administrator@Root2:~$ free total used free ...
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1answer
2k views

I get two kernel updates, one for Generic and one for Generic-PAE

I am using Ubuntu 11.10 32 bit on notebook core 2 duo, 4GiB RAM. In order Ubuntu to detect and use more than 3GiB RAM, I apt-get PAE Kernel. The problem comes when there were two update of kernel, ...
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3answers
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How can I tell if a machine has PAE?

I want to help someone upgrade an oldish laptop from 11.10 to 12.04, which requires PAE. I am not sure whether they have PAE or not. I know it is likely that they do have it after all, but how can I ...
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3answers
7k views

Why is 12.04 using a PAE dependent kernel by default?

Recently when I was trying Ubuntu 12.04 beta I got to know that it was using a PAE kernel, but I am not sure of the reason. Why has Ubuntu shifted to PAE kernel ? Also Is there a non PAE version ...
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6answers
25k views

Intel Core i3 CPU is not 64 bit?

According to this page: https://help.ubuntu.com/community/32bit_and_64bit the following Intel CPU's are 64bit: Intel F and 5x1 series Pentium 4 using the "Prescott" core Pentium D Core 2 (Solo, Duo ...
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7answers
177k views

How can I install on a non-PAE CPU? (error “Kernel requires features not present on the CPU: PAE”)

On my old Toshiba Tecra A2 laptop, I tried installing Ubuntu 12.04 Beta 2. After burning it to a CD, I tried booting from the CD and got the message: This kernel requires the following features not ...
5
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4answers
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Is there any version of Ubuntu that does not require PAE?

For the first time I tried to install Xubuntu 12.04 on my computer using the Grub4dos way. However, it stuck and showed "This kernel requires the following features not present on the CPU : PAE". I ...
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2answers
2k views

Lenovo T60P with 4GB of RAM, Ubuntu 11.04 and 11.10 only see 3GB

I have a Lenovo ThinkPad T60P with 4GB of memory (BIOS sees all 4GB RAM). I have installed Ubuntu 11.04 and 11.10 and both are only recognizing 3GB RAM. Please advise. Thanks. Updates Used 32bit ...
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1answer
471 views

How to enable 2D acceleration (preferably using proprietary graphics driver) on 32bit pae kernel?

I recently switched from the generic 32bit kernel to the pae kernel thus enabling 10GiB instead of 3. After switching I noticed a different GUI behavior: When moving windows, I get ~3 redraws per ...
5
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4answers
4k views

Does 32-bit PAE with more than 4GB RAM improve speed?

I would like to buy a Thinkpad T420 with 8GB RAM configuration and install specifically 32-bit Ubuntu Desktop with PAE as I heard that 64-bit version has some issues such as providing support for ...
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2answers
580 views

How to install a pae version of linux 3.0?

Was wondering how I would go about installing Linux Kernel 3.0 with pae enabled in Natty? Is there a PPA available with this included or do I have to compile from scratch?
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1answer
1k views

Problem with VirtualBox after enabling 'pae' in 10.04 kernel

I installed the 2.6.32-32-generic-pae kernel over my existing 2.6.32-32-generic kernel. This solved the problem I had with the system not showing the full amount of RAM, but it has had a ...
13
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3answers
35k views

Unable to Install VirtualBox Due to Missing Kernel Module

I am trying to install VirtualBox on my Ubuntu. I first tried to sudo apt-get install virtualbox-ose in a terminal, but after the configuration step, it fails with an error: No suitable module ...