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 ...
2
votes
1answer
1k 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 ...
8
votes
1answer
3k 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 ...
0
votes
3answers
2k views
Intel Pentium M with Ubuntu 12.10 / PPA needed
I need the ppa too. I've updated yet my Thinkpad T42 from Lubuntu 12.04 to 12.10. Everytime I want to install or update something I get this error:
E: Unerfüllte Abhängigkeiten. Versuchen Sie
...
0
votes
0answers
19 views
Getting Ubuntu on Windows XP with all Service Packs [duplicate]
Service Pack 2 removes PAE support, which is required for Ubuntu. I have tries booting off a USB and it has not worked because of the lack of PAE. Is there a way I can put Ubuntu 12/13 on this laptop?
...
1
vote
1answer
873 views
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 ...
0
votes
3answers
992 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 ...
46
votes
6answers
99k 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 ...
0
votes
1answer
32 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 ...
-1
votes
1answer
53 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!
5
votes
1answer
2k 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 ...
7
votes
3answers
5k 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 ...
3
votes
1answer
271 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 ...
4
votes
6answers
10k 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 ...
13
votes
3answers
12k 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 ...
1
vote
0answers
224 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 ...
0
votes
0answers
79 views
use PHP with PAE (32 bit), 16GB?
I ordered a server, a month ago. Sadly, only now I noticed, that the ubuntu on it is 32 bit instead of 64 bit, so it uses PAE.
I have 16GB Ram on it (I always see PAE examples mentioning up to 8 GB ...
0
votes
4answers
1k 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.
...
1
vote
1answer
167 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
...
0
votes
0answers
64 views
virtualization issues ( Vmware, virtual box and ram recognition)
I have 3 issues:
1 - VirtualBox is now failing after I have done a PAE change this are the errors:
Result Code:
NS_ERROR_FAILURE (0x80004005)
Component:
Machine
Interface:
IMachine ...
0
votes
0answers
321 views
Ubuntu doesn't boot after upgrade
I updated to 12.10 and the OS will not load.
I used the boot repair cd, and the only thing that works is the monodeset option in the kernel and the graphics are terrible, mouse disappears and unity ...
2
votes
1answer
296 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 ...
1
vote
1answer
111 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 ...
0
votes
0answers
526 views
Ubuntu 12.10 requires PAE kernel? [duplicate]
Possible Duplicate:
How can I install on a non-PAE CPU? (error “Kernel requires features not present on the CPU: PAE”)
Will it be possible to use a non-pae kernel in 12.10
I have an Intel ...
6
votes
2answers
9k views
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 ...
2
votes
1answer
2k 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 ...
18
votes
3answers
3k views
What's the meaning of “-pae” at the end of kernel version?
Last time I installed Ubuntu there was a "-pae" at the end of the kernel version in the boot screen. Now that I've reinstalled Ubuntu from the same disk instead of "-pae" there is a "-generic" at the ...
0
votes
0answers
9 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 ...
0
votes
0answers
39 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 ...
1
vote
0answers
74 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 ...
1
vote
0answers
558 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 ...
1
vote
0answers
3k views
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 ...
2
votes
0answers
25 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. ...
0
votes
0answers
32 views
Which is better a 32 bit 12.04 with PAE kernel or a 64 bit 12.04? [duplicate]
Possible Duplicate:
What is the difference between 32-bit and 64-bit and which should I choose?
I want to format my system; I have both 64 bit edition of 12.04 and 32bit edition of 12.04.
...
0
votes
3answers
505 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 ...
6
votes
2answers
4k views
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 ...
4
votes
2answers
848 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 ...
2
votes
1answer
431 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 ...
0
votes
0answers
29 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 ...
5
votes
3answers
6k 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 ...
5
votes
4answers
9k views
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 ...
1
vote
1answer
366 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 ...
1
vote
1answer
1k 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, ...
3
votes
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 ...
5
votes
4answers
3k 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 ...
10
votes
3answers
25k 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 ...
1
vote
2answers
569 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?
1
vote
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 ...
18
votes
6answers
2k views
8 GB RAM on 64 bit processor using 32 bit Ubuntu
I'm going to repeat the title in a longer word. Can a 32 bit Ubuntu address more than 4 gb of RAM on a 64 bit processor?
