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Solved Help - Advanced Boot options > Number of processors

glennc

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Hello to all,
Wanted to confirm something I recently had a problem with on W7. It was fixed but I didn't get an explanation that I could remember. I have an Athlon X2 processor. In msconfig > boot tab > Advanced Options - there is a box the has a checkmark and a box that show the number of cores the processor has. The reasoning and correct selection is what I am concerned with. It currently has the checkbox - Unchecked and the number of processors is indicating one. Should I pick 2 processors in the box and check the checkbox to ensure the proper use of both processors or is it correct (as I vaguely suspect) the way it is currently set. Thanks for any help!
Glenn
 

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mickey megabyte

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if unchecked, windows will use the maximum number of cores that it can during the boot processes.

you only need to change this setting if you specifically know it is causing problems.

it's one of those crazy internet misconceptions that microsoft have got this wrong - you will even see posts by people swearing that their boot is faster when playing with this setting.

leave it as it is if you do not have any boot problems.
 

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fafhrd

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You should have 2 processors checked, not 1, blank is probably auto, which may not always get it right. In taskmanager, the performance tab should show two graphical CPU usage history traces.
At boot-time, Windows loads a file called hal.dll - there are two versions, one for single processors, and another that handles multiprocessor systems.

You will probably run perfectly well on a single processor, but without the performance obtained from utilizing both.
 

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mickey megabyte

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the number 1 that you see [del]is[/del] should be greyed out - meaning that it isn't operative.

keep the box unchecked and it will use the max cores it needs.
 

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glennc

New Member
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if unchecked, windows will use the maximum number of cores that it can during the boot processes.

you only need to change this setting if you specifically know it is causing problems.

it's one of those crazy internet misconceptions that microsoft have got this wrong - you will even see posts by people swearing that their boot is faster when playing with this setting.

leave it as it is if you do not have any boot problems.

Thank you greatly, that is what I believed was previously touched on! So no checkmark means that it will automatically use the maximum number available. I have a desktop gadget that shows two processors working. I just wanted the an explanation and reassurance of an expert. Much appreciated!
Glenn
 

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  • OS
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glennc

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You should have 2 processors checked, not 1, blank is probably auto, which may not always get it right. In taskmanager, the performance tab should show two graphical CPU usage history traces.
At boot-time, Windows loads a file called hal.dll - there are two versions, one for single processors, and another that handles multiprocessor systems.

You will probably run perfectly well on a single processor, but without the performance obtained from utilizing both.

Hello fafhrd,
Thanks for responding. I am again confused. As mentioned above, I have the box unchecked. The desktop gadget shows 2 cores running. But in task manager in performance it only shows 1 CPU box, not multiple as in W7. Also should I have the PCI locked checkmarked. I don't understand........
Glenn
 

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glennc

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the number 1 that you see [del]is[/del] should be greyed out - meaning that it isn't operative.

keep the box unchecked and it will use the max cores it needs.

Howdy again,
I understand the concept you stated. But fafhrd suggested checking the Task Manager performance and it seems to only indicate one CPU graph....
See below

Capture.PNG

Maybe I am reading it wrong. But I just checked my X4 on windows seven and seemingly I have the 4 processors indicated and the checkbox checked. Now I am completely confused. In W7 Task Manager Performance it shows 4 CPU Graph boxes. Please help!
Thanks
Glenn
 

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mickey megabyte

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it does say 2 logical processors at bottom right (but only one physical chip as there are two cores on the one chip).

right-click on the cpu graph and change the graph to 'logical processors', and you'll see both your cores.

by the way, the setting in msconfig only applies to the boot process, not the whole computer session - just the boot.
 

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    1+1=2

Dwarf

The Contemplator, (1963-2013)
Moderator
You have it showing as Overall utilization, which amalgamates the results of the individual cores and shows them as a single graph. To get individual graphs, showing the activity of each core separately, right-click on the graph and mouse over Change graph to and then click on Logical Processors.
 

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glennc

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it does say 2 logical processors at bottom right (but only one physical chip as there are two cores on the one chip).

right-click on the cpu graph and change the graph to 'logical processors', and you'll see both your cores.

by the way, the setting in msconfig only applies to the boot process, not the whole computer session - just the boot.

You Sir are the man! Perfect, wonderful! Thanks you immensely! But you had to go in and throw me a curve ball about just the boot process. Might you in you generosity, elaborate in slowwww english {:))!
Really thanks!
Glenn
 

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  • OS
    Windows 7

glennc

New Member
Member
You have it showing as Overall utilization, which amalgamates the results of the individual cores and shows them as a single graph. To get individual graphs, showing the activity of each core separately, right-click on the graph and mouse over Change graph to and then click on Logical Processors.

Hello Dwarf,
Thank you for responding to my plea. Thanks for confirming the situation. You are correct and it is much appreciated.
Might you take a look at the newer thread on msconfig > boot tab > advanced options > PCI lock??????
Thanks
Glenn
 

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Dwarf

The Contemplator, (1963-2013)
Moderator
The settings in msconfig are there for debugging and trouble-shooting purposes, and apply to the whole computer session. If you have a multi-boot system, the values set in msconfig are independent between each OS. In other words, you can set it so that one OS uses just one core, whereas the other OSes use the full quota provided by the processor. Sometimes, you may need to set one or more of these options in order to get a particular application to run correctly, but this is rare.

Normal mode for msconfig is to have these checkboxes unchecked, which means that the OS will make use of the full quota of processor cores and the full amount of memory. In this case, it doesn't matter what values are showing, as they will be greyed out and not applicable.
 

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mickey megabyte

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it does say 2 logical processors at bottom right (but only one physical chip as there are two cores on the one chip).

right-click on the cpu graph and change the graph to 'logical processors', and you'll see both your cores.

by the way, the setting in msconfig only applies to the boot process, not the whole computer session - just the boot.

You Sir are the man! Perfect, wonderful! Thanks you immensely! But you had to go in and throw me a curve ball about just the boot process. Might you in you generosity, elaborate in slowwww english {:))!
Really thanks!
Glenn

the boot process is simply what the computer does before it gets to the logon screen.
 

My Computer

System One

  • OS
    windows 9
    System Manufacturer/Model
    mickey pc
    CPU
    intel i9
    Motherboard
    yes
    Memory
    erm...
    Graphics Card(s)
    pff - so 20th century
    Sound Card
    it's quite sound. yes
    Monitor(s) Displays
    Varanus albigularis
    Screen Resolution
    1x1 - lots of scrolling required
    Hard Drives
    are ssd's hard?
    PSU
    power to the people!
    Case
    nut
    Cooling
    not half
    Keyboard
    steinway
    Mouse
    mickey
    Internet Speed
    snort
    Other Info
    1+1=2

glennc

New Member
Member
The settings in msconfig are there for debugging and trouble-shooting purposes, and apply to the whole computer session. If you have a multi-boot system, the values set in msconfig are independent between each OS. In other words, you can set it so that one OS uses just one core, whereas the other OSes use the full quota provided by the processor. Sometimes, you may need to set one or more of these options in order to get a particular application to run correctly, but this is rare.

Normal mode for msconfig is to have these checkboxes unchecked, which means that the OS will make use of the full quota of processor cores and the full amount of memory. In this case, it doesn't matter what values are showing, as they will be greyed out and not applicable.

Howdy Dwarf,
Your explanation was clearly done and understood! Thank you again for your time and assistance!
Cheers
Glenn
 

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  • OS
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glennc

New Member
Member
it does say 2 logical processors at bottom right (but only one physical chip as there are two cores on the one chip).

right-click on the cpu graph and change the graph to 'logical processors', and you'll see both your cores.

by the way, the setting in msconfig only applies to the boot process, not the whole computer session - just the boot.

You Sir are the man! Perfect, wonderful! Thanks you immensely! But you had to go in and throw me a curve ball about just the boot process. Might you in you generosity, elaborate in slowwww english {:))!
Really thanks!
Glenn

the boot process is simply what the computer does before it gets to the logon screen.

Howdy,
Thanks for your great help and this response. The explanation is still over my head, but that is o.k. Much of computer functioning is FM to me.
Glenn
 

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mickey megabyte

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...
Howdy,
Thanks for your great help and this response. The explanation is still over my head, but that is o.k. Much of computer functioning is FM to me.
Glenn

in simple terms, when you switch the computer on, it has to go through certain steps before you can actually start using it. this is the boot process. it's why it isn't instant-on, there's always a delay before switching on and being able to run your programs. it's the computer 'waking up', having a wash and a coffee before starting work, sort of. :)

what's 'FM'? 'flipping' magic?
 

My Computer

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  • OS
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    CPU
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    pff - so 20th century
    Sound Card
    it's quite sound. yes
    Monitor(s) Displays
    Varanus albigularis
    Screen Resolution
    1x1 - lots of scrolling required
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    are ssd's hard?
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Bootproblem

New Member
In the boot tab under misconfig I changed the cores used from 1 to 6. Now the computer fails to boot and offers a system restore (which does not work) or 'cancel' which does nothing. Could anyone help?
 

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JSG99

New Member
The difference between manually choosing all cores in "BOOT Advanced Options" or leaving it the original greyed out "Auto" is that in "Auto", Windows will use however many processes that it needs to use at the time of the boot process BUT this also means that Windows will park the processes that it does not need.

By manually choosing all processes, it may help stop Windows from parking some of the processors. This can be helpful in some cases where you need to use Virtualization capabilities of Intel/AMD CPU's.

I have just come across this issue as I'm trying to setup VMware. The BIOS has been checked and AMD Virtualization is enabled but when I open Piriform Speccy to check on the CPU, it lists Virtualization : Supported, Disabled.

I came across the following while searching for a solution



"The old problem.

With system virtualization, as you know, it can use multiple cpu cores to create a virtual operating system.
The problem is with some boards and systems, along with the version of os you are running.
A ms patch needs to be applied because the cores of your system can be parked.

Also you have to ensure that windows is set and configured to running and using all of the cpu cores.

To do this, click on start.
In the search box type : Msconfig.

Select the search result and left click on it to launch it.

Click on the boot tab in the new window.

Then click on the advanced options tab.

Select the number of working cpu cores for windows to use, and then select the tick box.
Click ok.

Click apply.
Click ok.

Restart the system.

If you look at windows resource manager after windows has loaded, you will see all four cores being utilized in windows.

Test to see if you can create or emulate a virtual os environment.

If any of the cores state they are parked, you must apply the AMD cpu patch for windows from the Microsoft download center.
The patch is a fix for when AMD multicore cpu`s are not detected by the OS.

Hotfix #1 - http://support.microsoft.com/kb/2645594
Hotfix #2 - http://support.microsoft.com/kb/2646060 "




Not sure if it help others but might give another lead to chase down for anyone searching.

UPDATE - This did not work for my needs and instead of chasing it in circles, I contacted AMD Support. I'm yet to hear back from them.
 
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