64bit 4GB (3.25 Usable). Waste of an update?

D

Darkstryder360

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I have googled this issue since yesterday spending £150 on Win7 Professional, only to find out that when its installed, I only have 3.25 usable.

68597303.jpg


Originally on 32bit Vista, I use 3DS MAX and Photoshop ALOT, and needed the extra RAM space due to those crashing with heavy workflow. Is this now a wasted update to 64 Win7 as I seem to now have less RAM then on 32??

With 3DS on, iTunes and Firefox my physical memory is at 80%.
 

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What is available out of what you have can be affected by your hardware, including the video. I have 8GB of RAM but not all of the 8GB is available.

Your display differs from mine. I have Win 7 64 bit Professional and all mine shows is "8 GB", not the total RAM and what is available. I only got that type of display with the 32 bit OS.

You must do a complete new install for 64 bit, you can't upgrade. If you somehow did an "upgrade" installation that may be one reason.
 

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What kind of graphics card do you have?

The most common cause of this is due to integrated graphics.

Since the onboard GPU doesn't have RAM of its own, it must borrow its memory from the system. This could be why you are seeing less than the the full 4GB useable.
The GPU has to borroow, or dedicate a portion of RAM to video use.

If you install a dedicated Graphocs Card, with its own memory, you will then have full use of your installed RAM for the system to use under x64 as it will not need to borrow anything.
 

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What Wishmaster said.

Furthermore, you can go into your BIOS and lower the amount of memory the system has to share with the onboard graphics if the option is available in your BIOS, eg. 128MB, 256B, 512MB and so on; lower numbers means more system memory gain.

:p
 

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fireberd said:
What is available out of what you have can be affected by your hardware, including the video. I have 8GB of RAM but not all of the 8GB is available.

Your display differs from mine. I have Win 7 64 bit Professional and all mine shows is "8 GB", not the total RAM and what is available. I only got that type of display with the 32 bit OS.

You must do a complete new install for 64 bit, you can't upgrade. If you somehow did an "upgrade" installation that may be one reason.
Click to expand...

It was a clean install, I just didn't know how to explain what I did simply in the title without using "update" lol.

How come you dont have all 8GB available?

Wishmaster said:
What kind of graphics card do you have?

The most common cause of this is due to integrated graphics.

Since the onboard GPU doesn't have RAM of its own, it must borrow its memory from the system. This could be why you are seeing less than the the full 4GB useable.
The GPU has to borroow, or dedicate a portion of RAM to video use.

If you install a dedicated Graphocs Card, with its own memory, you will then have full use of your installed RAM for the system to use under x64 as it will not need to borrow anything.
Click to expand...

My graphics card is nVidia Geforce 9800GT.

I haven't touched any of my computer since I purchased it, so it came with the nVidia, does that mean it is integrated then? And can I change it?

I have read about BIOS upgrades, and wasn't sure of any of it, what is the best solution? New Motherboard? :huh:

Nemix77 said:
What Wishmaster said.

Furthermore, you can go into your BIOS and lower the amount of memory the system has to share with the onboard graphics if the option is available in your BIOS, eg. 128MB, 256B, 512MB and so on; lower numbers means more system memory gain.

:p
Click to expand...

How do I change that, will that affect the graphics then will it?

Sorry, I am a proper noobcake with computer insides.
 

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Unfortunately the amount of memory available will never be equal to the installed memory. this is due to memory address space.

There is a technical explanation here .....

Understanding Address Spaces and the 4GB Limit - [H]ard|Forum

It is rather involved but basically you will not see a real benefit, memory wise, on 64Bit Windows at 4GB but need to be at a higher level, (which is not possible at all with 32 Bit)
 

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One way to figure out if your Video card is onboard or dedicated is to open your case and have a look, assuming you know what to look for. If you open up the system page, windows key plus pause/break, then click the blue "Windows Experience Index" and then click the blue "View and print detailed performance and system information". What does it show under Graphics for Total available, Dedicated graphics memory, and Shared graphics memory?
Also have a look at this:The system memory that is reported in the System Information dialog box in Windows Vista is less than you expect if 4 GB of RAM is installed
 

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Click Start. Type in Resource Monitor in the Search bar. Click it. When Res Mon opens click "Memory" tab.

Use Snipping tool and post resulting picture.

Posting attachment info is here if needed. Ooops you already have that. I didn't have my coffee yet.
http://www.sevenforums.com/852738-post3.html

At least you will be able to see where and what the memory is allocated for.
Mike

Changing the video card to use less memory is a bad idea. System may have more but video card will be short changed on games etc.
 

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If you have discrete 9800 GT(x) then changing the onboard video memory shared does nothing. Looking at your system specs which is barely nothing BTW, you have Foxconn motherboard. Foxconn usually makes motherboard for OEM systems, their BIOS support and updates is very rare. Anyhow, try and look for a BIOS update becuase I have gut feeling now that it's BIOS or chipset limitation related. I have a Acer HTPC that shows only 3GB useable out of 4GB regardless if the OS is 32/64-bit. I contacted Acer but they never replied or released an updated BIOS thus I still don't know if it was BIOS or chipset related (ATI 690G), on my particular machine the BIOS detects 4GB and Windows shows 4GB but only 3GB useable. To sum this it all up, I ended up removing 2GB and replaced it with 1GB for 3GB total and covered back to 32-bit.

:p
 

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Until a posting of a Resource Monitor Snip everyone is guessing.
 

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I had a similar situation with an older Gigabyte motherboard.

I was able to install 4gb on the board, but I was only able to see 3gb on it due to other hardware limitations - older chipsets and ports. It was a transition board that had both SATA and IDE interfaces on the board, IIRC.

Because of the limitations, the board was unable to access the upper portion of the memory - it needed to keep that part reserved for the hardware.

I'd check your motherboard manual and/or website to see if you have a similar situation.


T
 

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Good point. If all you have is 4 GB of RAM there is no reason to install a 64 bit OS, unless you plan on adding more RAM.
 

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You can try:
Msconfig>Boot>Advanced options...>
Check the Maximum memory box.
Make sure it's show 4096.
If it doesn't, use the up arrow to increase it.
OK out and restart your PC.
 

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Most of us run 4GB with Win7 64bit just fine with plenty left over.

2GB I would agree.
 

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I'm running 4 gigs with windows 7x64. My video card has another gig of dedicated RAM on it. If I was running 7x32 that gig would subtract from my 4 gigs and I'd only be able to use 3 gig of it. Running 7x64 lets me use it all. Seemed like a no-brainer to me. ;)
 

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Hi there
Running in 64 bit mode offers other advantages - especially for things like Photoshop -- Instruction time is shorter etc etc.

The RAM advantage really needs more than 4GB when using a 64 bit OS before you will see anything large in available address space.- but using all the RAM doesn't necessarily mean that your system is running badly.

There's a lot more to measuring OS performance than just looking at the available RAM.


Cheers

Jim
 

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No but seriously, can 32-bit even see and use all of 4GB. I thought there was a limitation of only 3.25-3.5GB with 32-bit OS kernel or something?

I remember trying to choose between 32 and 64-bit for installation and I ultimately chose 64-bit cause it can use all 4GB instead of just 3.5GB (512mb wasted) at max in 32-bit. If I'm wrong and they somehow fixed up 32-bit (not likely, they would have done it Vista before 7 was released) then I'd love to go back to 32-bit. More easy on programs and games compatibility (especially older games) for me.

Let me know, :p
 

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32 bit windows can only address up to 4 gigs max. Included in that 4 gig is any address space used by other components such as your video card. If you have a dedicated video card with 512 megs of ram that subtracts from the 4 gig of address space. You would end up with 3.5 gigs of usable RAM, thats all windows can map into the remaining address space. Thats shall we a Cliff's notes explanation of it. I think if you follow some of the links posted in this thread you'll get a better explanation of why it is the way it is.
 

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jimbo45 said:
Hi there
Running in 64 bit mode offers other advantages - especially for things like Photoshop -- Instruction time is shorter etc etc.
Click to expand...
With the caveat that you have to be running 64-bit versions of the software in question. I know you are aware of this, but just throwing it out there for those that might read into that statement that 64-bit is just magically faster across the board.
 

My Computer My Computer

At a glance

Windows 7 Ultimate x64Intel Q9550 2.83Ghz OC'd to 3.40Ghz8GB G.Skill PI DDR2-800, 4-4-4-12 timingsEVGA 1280MB Nvidia GeForce GTX570
Computer Manufacturer/Model Number
Self-Built in July 2009
OS
Windows 7 Ultimate x64
CPU
Intel Q9550 2.83Ghz OC'd to 3.40Ghz
Motherboard
Gigabyte GA-EP45-UD3R rev. 1.1, F12 BIOS
Memory
8GB G.Skill PI DDR2-800, 4-4-4-12 timings
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EVGA 1280MB Nvidia GeForce GTX570
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Realtek ALC899A 8 channel onboard audio
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23" Acer x233H
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Intel X25-M 80GB Gen 2 SSD
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Windows and Linux enthusiast. Logitech G35 Headset.
I have 2GB of ram and changed to 64-bit about a year ago and got 2.0GB usable instead of 1.75GB usable.
 

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Windows 7 Professional (x64/SP1) /Linux Mint 16Intel i5-3570k 3.40 GHz @ 4.6 GHz8GB (2133MHz) DDR3Asus GTX560 Ti (Nvidia)
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Windows 7 Professional (x64/SP1) /Linux Mint 16
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Intel i5-3570k 3.40 GHz @ 4.6 GHz
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GIGABYTE Z77X-D3H
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8GB (2133MHz) DDR3
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