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Windows 7: Disable shared RAM

12 May 2013   #1
Quadrider10

Windows 7 Professional x64
 
 
Disable shared RAM

i have a laptop with an eGPU build, and i think disabling sharded ram between eGPU and System will reduce the pci bandwidth between the card and EC. how would i go about disabling shared ram to the GPU? are there any programs that support this? there is NO option in my bios.


My System SpecsSystem Spec
.

12 May 2013   #2
Dude

Windows 8.1 Pro + Windows 10
 
 

It's dynamic anyway so I'm not sure if that would help
My System SpecsSystem Spec
12 May 2013   #3
x BlueRobot

 

Do you mean Memory Mapped I/O, whereby in Resource Monitor you see a portion of your address space assigned to hardware?

Here's some more information - operating system - Memory mapped IO - how is it done? - Stack Overflow
My System SpecsSystem Spec
.


12 May 2013   #4
Quadrider10

Windows 7 Professional x64
 
 

Quote   Quote: Originally Posted by x BlueRobot View Post
Do you mean Memory Mapped I/O, whereby in Resource Monitor you see a portion of your address space assigned to hardware?

Here's some more information - operating system - Memory mapped IO - how is it done? - Stack Overflow
idk lol i mean like i have 6gb of ram, but a certain amount goes towards graphics. so i only have like 5.86 avaible
My System SpecsSystem Spec
12 May 2013   #5
x BlueRobot

 

I've just checked your System Specifications, and here's what I found:

Code:
Radeon 540v 512MB Internal
The 512MB Graphics Memory will need to be mapped into the System RAM, as result of Memory Mapped I/O, read the above link and this link for a better explanation:
My System SpecsSystem Spec
12 May 2013   #6
AddRAM

Windows 7 Professional x64 Service Pack 1
 
 

There is no reason to change it, you want your video card to use as much memory as possible. I`m curious, could you post a few pics of the external gpu you have hooked up ?

I`m assuming you have it hooked to an external monitor, I mean how else could you use it.
My System SpecsSystem Spec
12 May 2013   #7
Britton30
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

I agree Quad10, the more RAM the GPU shares, the better the eGPU will perform. w7 is very good at allocating and using RAM.
My System SpecsSystem Spec
12 May 2013   #8
Quadrider10

Windows 7 Professional x64
 
 

yesbut with the eGPU having 1gb, i see no reason it would have to share system ram with it.

External GPU (eGPU)
My System SpecsSystem Spec
12 May 2013   #9
Britton30
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

Maybe this will do it.

In the Start Search type msconfig to open the System Configuration window, if UAC asks, allow it to run. Select the Boot tab and click the Advanced button. The BOOT Advanced Options window will open.
Uncheck the box for Maximum Memory if it is checked. Click OK, Apply and reboot for the change to take affect.
My System SpecsSystem Spec
12 May 2013   #10
Quadrider10

Windows 7 Professional x64
 
 

Quote   Quote: Originally Posted by Britton30 View Post
Maybe this will do it.

In the Start Search type msconfig to open the System Configuration window, if UAC asks, allow it to run. Select the Boot tab and click the Advanced button. The BOOT Advanced Options window will open.
Uncheck the box for Maximum Memory if it is checked. Click OK, Apply and reboot for the change to take affect.
already unchecked lol let me try checking it
My System SpecsSystem Spec
Reply

 Disable shared RAM




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