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4GB or 3GB physical memory for 32 bit wondows vista

 
 
Ken Blake, MVP
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Posts: n/a
 
      21st Oct 2009
On Wed, 21 Oct 2009 09:02:32 -0700, "Ken Blake, MVP"
<(E-Mail Removed)> wrote:

> On Tue, 20 Oct 2009 19:10:47 -0700, Brent Nora wrote:
>
> > I have only two DIMM slots with a 2GB stick in one on my
> > desktop running vista 32bit,

>
>
> You say "only two," but depending on what apps you run, that may be
> enough for you, and any more may do next to nothing in your case.



Sorry, what I wrote is probably confusing. What I meant is that *2GB*
of RAM may be enough for you.



> > should I install an identical
> > 2GB to activate dual channel, making it 4GB, or should

>
>
> That may give you some small improvement in performance, but not
> necessarily a lot.
>
>
>
> > I just get another 1GB to stay within the 32bit OS
> > limitations of 3GB?

>
>
> There is no 3GB limitation. How much you can access varies, depending
> on your hardware (although it's usually *around* 3GB). Here's the
> scoop on the subject:
>
> All 32-bit client versions of Windows (not just Vista/XP/7) have a 4GB
> address space (64-bit versions can use much more). That's the
> theoretical upper limit beyond which you can not go.
>
> But you can't use the entire 4GB of address space. Even though you
> have a 4GB address space, you can only use *around* 3.1GB of RAM.
> That's because some of that space is used by hardware and is not
> available to the operating system and applications. The amount you can
> use varies, depending on what hardware you have installed, but can
> range from as little as 2GB to as much as 3.5GB. It's usually around
> 3.1GB.
>
> Note that the hardware is using the address *space*, not the actual
> RAM itself. If you have a greater amount of RAM, the rest of the RAM
> goes unused because there is no address space to map it to.
>
>
>
> > each slot can operate with a maximum
> > of 4GB RAM sticks a total of 8GB. And if I do go to 4GB,
> > can't Vista allocate the video memory from the excess
> > of the 3GB limitation,

>
>
> No.
>
>
> > and can't I use the extra as well
> > as a RAMDISK?

>
>
> No.
>
>
> --
> Ken Blake, Microsoft MVP (Windows Desktop Experience) since 2003
> Please Reply to the Newsgroup


--
Ken Blake, Microsoft MVP (Windows Desktop Experience) since 2003
Please Reply to the Newsgroup
 
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Chuck
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Posts: n/a
 
      25th Oct 2009

The best answer is to install a second IDENTICAL 2GB stick.
Given that this is a laptop, it's likely that the Video system uses system
RAM, so the extra RAM should not be wasted.

<Brent Nora> wrote in message news:(E-Mail Removed)...
>I have only two DIMM slots with a 2GB stick in one on my desktop running
>vista 32bit, should I install an identical 2GB to activate dual channel,
>making it 4GB, or should I just get another 1GB to stay within the 32bit OS
>limitations of 3GB?
> each slot can operate with a maximum of 4GB RAM sticks a total of 8GB.
> And if I do go to 4GB, can't Vista allocate the video memory from the
> excess of the 3GB limitation, and can't I use the extra as well as a
> RAMDISK?
>
>
>
> Colin Barnhorst wrote:
>
> That doesn't matter much. Take it to 4GB if you like.
> 20-Jan-08
>
> That does not matter much. Take it to 4GB if you like. Notebook ram is
> not
> the same as desktop ram where you have a pair of dual channel dimm slots.
> On a notebook do not worry about things like dual
>
> Previous Posts In This Thread:
>
> On Friday, December 07, 2007 3:17 PM
> J wrote:
>
> 4GB or 3GB physical memory for 32 bit wondows vista
> I have 4GB of physical RAM, windows vista shows only 3326MB. Does it
> really
> help with performance if I have 4GB or should I just install 3GB memory? I
> just bought the additional 2GB memory (had 2GB be
>
> On Friday, December 07, 2007 3:32 PM
> Tom Lake wrote:
>
> Re: 4GB or 3GB physical memory for 32 bit wondows vista
> If your motherboard is dual-channel capable, install memory in pairs.
> 3 GB is OK if you install 1 GB, 1 GB, 512 MB, 512 MB
>
> If you do not install in pairs, you will not get the benefit of
> Dual-channel
>
> On Friday, December 07, 2007 3:34 PM
> Cal Bear '66 wrote:
>
> If it is dual channel memory, you definitely do NOT want to use just one
> 1GB
> If it is dual channel memory, you definitely do NOT want to use just one
> 1GB
> stick. Leave well enough alone -- at least you got 1/3 G of RAM more, and
> RAM
> is cheap now (about $US 50/G) -- or install
>
> On Friday, December 07, 2007 3:36 PM
> J wrote:
>
> Thanks. But this doesn't seem to answer my question.
> Thanks. But this does not seem to answer my question.
>
> I want to know if I should have 3BG or 4GB installed and whether the
> additional 1Gb will help with the performance given that vista only show
> 3.
>
> On Friday, December 07, 2007 3:49 PM
> Tom Lake wrote:
>
> Re: 4GB or 3GB physical memory for 32 bit wondows vista
> You will not notice a difference between the two if you have memory in
> pairs.
> If you already have two 1 GB sticks and two 512 MB sticks, use them,
> otherwise
> I'd go for the four 1 GB sticks and get the
>
> On Friday, December 07, 2007 3:53 PM
> Curious wrote:
>
> If you can install 3GB and get Vista to recognize it then there is almost
> no
> If you can install 3GB and get Vista to recognize it then there is almost
> no
> benefit to installing 4GB and only have 3.2GB of it used by the OS with
> the
> address space for the remainder being used to s
>
> On Friday, December 07, 2007 4:03 PM
> AJR wrote:
>
> This is one of those topics that keeps popping up and can be answered by
> This is one of those topics that keeps popping up and can be answered by
> "reviewing" previous posts.
>
> Article #929605, Support.com, addresses all your questions including a
> "Work
> around". Following ar
>
> On Friday, December 07, 2007 4:25 PM
> Tim Slattery wrote:
>
> Re: 4GB or 3GB physical memory for 32 bit wondows vista
> it is normal for 32-bit Vista (or any other 32-bit system) not to see
> the entire 4GB. Some of the 4GB address space must be used to access
> video memory, BIOS, etc. See http://members.cox.net/slatteryt
>
> On Friday, December 07, 2007 4:31 PM
> Ken Blake, MVP wrote:
>
> Re: 4GB or 3GB physical memory for 32 bit wondows vista
> wrote:
>
>
>
> Two points:
>
> 1. All 32-bit versions of Windows (XP as well as Vista), even though
> they have a 4GB address space, can only use *around* 3.1GB of RAM.
> That's because some of that space is used
>
> On Friday, December 07, 2007 8:08 PM
> Brett I. Holcomb wrote:
>
> Well, 32 bit systems can only address 4 gig but they use some of itfor
> add-on
> Well, 32 bit systems can only address 4 gig but they use some of it
> for add-on cards, etc. The difference between 4 gig and what you have
> is what the system uses. If you have 3 gig instead of 4 you
>
> On Friday, December 07, 2007 9:41 PM
> Ian D wrote:
>
> Re: 4GB or 3GB physical memory for 32 bit wondows vista
> Since you already have the 4 GB, stick with it. If you ever decide to go
> 64 bit you are all set. Since memory specs are always evolving it may
> be difficult to find matching RAM in the future, and ol
>
> On Friday, December 07, 2007 11:03 PM
> Gene K wrote:
>
> About any question pertaining to Windows RAM is answered On Crucial's
> site.
> About any question pertaining to Windows RAM is answered On Crucial's
> site.
> Start here: http://www.crucial.com/support/index.aspx?tabid=sc1 .
>
> Gene K
>
> On Sunday, January 13, 2008 2:17 AM
> Jo wrote:
>
> Perhaps you can help me. This is a different issue.
> Perhaps you can help me. This is a different issue. I downloaded Itunes
> and
> it said it was not installed correctly on my Vista 64 operating system. I
> reinstalled it a total of three times and even
>
> On Sunday, January 13, 2008 8:30 AM
> Rick Rogers wrote:
>
> Hi,If I recall correctly, Itunes' software is not 64-bit compatible.
> Hi,
>
> If I recall correctly, Itunes' software is not 64-bit compatible. Until
> they
> release a version that is, you cannot use it on an x64 system.
>
> --
> Best of Luck,
>
> Rick Rogers, aka "Nutcase" - Microso
>
> On Sunday, January 13, 2008 5:44 PM
> Quetion wrote:
>
> RE: 4GB or 3GB physical memory for 32 bit wondows vista
> Exchange!
> --
> < C O R E - S Y S T E M >
>
>
> "JC" wrote:
>
> On Tuesday, January 15, 2008 12:02 PM
> Colin Barnhorst wrote:
>
> Since you don't say what hardware your using, esp which mobo and what
> memory
> Since you do not say what hardware your using, esp which mobo and what
> memory
> modules, the only advice is to go to the mobo manufacturer's website and
> review the information on tested ram and any limi
>
> On Tuesday, January 15, 2008 12:16 PM
> MICHAEL wrote:
>
> Colin,It is a pleasure to see you back... I really mean that.
> Colin,
>
> It is a pleasure to see you back... I really mean that.
>
> I hope you are doing well, and I hope you plan to stick
> around.
>
> Take care,
>
> Michael
>
> On Tuesday, January 15, 2008 12:56 PM
> Colin Barnhorst wrote:
>
> Re: 4GB or 3GB physical memory for 32 bit wondows vista
> Health is better. Thank you for your kind thoughts.
>
> On Tuesday, January 15, 2008 1:09 PM
> MICHAEL wrote:
>
> I'm so happy to hear that, Colin.Absolutely thrilled to see you back.
> I am so happy to hear that, Colin.
> Absolutely thrilled to see you back.
>
> Please, pardon the bragging;
>
> Folks, Colin is one of the most helpful MVPs you will
> ever encounter. He helped so many of us th
>
> On Sunday, January 20, 2008 7:13 AM
> ProDigi wrote:
>
> RE: 4GB or 3GB physical memory for 32 bit wondows vista
> "JC" wrote:
>
>
> Maybe interesting would be for notebooks!
> If my notebook only has 2 slots, and I have 2GB stick installed, and
> wished
> to increase RAM should I install 1 stick of 1GB, or 1 stick of 2GB?
>
> On Sunday, January 20, 2008 10:00 AM
> Colin Barnhorst wrote:
>
> That doesn't matter much. Take it to 4GB if you like.
> That does not matter much. Take it to 4GB if you like. Notebook ram is
> not
> the same as desktop ram where you have a pair of dual channel dimm slots.
> On a notebook do not worry about things like dual
>
> On Monday, January 21, 2008 5:51 PM
> David wrote:
>
> the 32bit versions of XP and Vista are limited to 32Bit address space,
> this
> the 32bit versions of XP and Vista are limited to 32Bit address space,
> this
> has to include space for all hardware mapped into the address space as
> well,
> so you will never see your full 4Gb of memory (
>
> On Tuesday, January 22, 2008 8:49 PM
> scrummag wrote:
>
> i was reading this thread looking for an answer to some thing else and
> RICK
> i was reading this thread looking for an answer to some thing else and
> RICK
> you might be able to help me.
> is there any way i can install 32 bit software onto 64 bit vista, does the
> 32 bit control pane
>
> On Tuesday, January 22, 2008 10:14 PM
> Rick Rogers wrote:
>
> Hi,Most 32-bit software will install to a 64-bit system and run in 32-bit
> mode
> Hi,
>
> Most 32-bit software will install to a 64-bit system and run in 32-bit
> mode
> without issue. The problems occur when the software includes device
> drivers,
> such as the iTunes software, as these must
>
> On Wednesday, January 23, 2008 1:17 PM
> Brian W wrote:
>
> Re: 4GB or 3GB physical memory for 32 bit wondows vista
> There is now a specific 64-bit version of iTunes. You can download it from
> the Apple site if you are running Vista 64.
>
> On Wednesday, January 23, 2008 1:58 PM
> Colin Barnhorst wrote:
>
> It is a 32-bit x64 compatible program with mostly x86 modules and two x64
> It is a 32-bit x64 compatible program with mostly x86 modules and two x64
> modules. By no means is it a fully 64-bit program.
>
> EggHeadCafe - Software Developer Portal of Choice
> FREEWARE: ClearCache IE Cache Control Utility
> http://www.eggheadcafe.com/tutorials...ache-ie-c.aspx



 
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