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Advice needed about RAM-lock removal (win 7-32bits)

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Lupke Brother Hi, I have a win7 ultimate 32bit system with 4 gb. As everyboby knows, windows only addresses 3,5gb from this. No problem for my daily tasks, but this is a problem when using some heavy virtual synthesizers (Samplitude Pro X with a lot of softsynths and plugins). I use a Ramdisk (Gavotte RAMdisk) to use the spare 0,5gb of memory. Unfortunately this is rarely enough and I’m not looking forward to upgrading my complete system tot x64, because that would be a hell of a job.

I’ve read something about removing the Windows RAM lock to be able to address more memory. My Gigabyte GA-P55-UD5 motherboard can do this. You can read the article about using more memory on win 32bits here: http://www.unawave.de/win...rrier.html In short it makes a copy of the kernel, so you can choose between a system boot with or without the RAM lock to address more memory (up to 64gb !)

Are there any users with experience with removing the RAM lock? I’m a bit scary about this without consulting other users. A normal 32 bits processor uses 2^32 physical addresses (4gb in total). Anything above this has to be simulated in my opinion by writing physical memory to a harddrive or whatever. A CPU starts counting at address 0, so maybe it’s possible to change the start address so you can read in example from 0 to 4gb and then read from 4gb to 8gb et cetera. Considering and taking care of the windows system itself in this memory setup. You would expect windows can address no more than approx. 4gb, even with the Physical Address Extension. To use more, the OS must use various technologies such as the PAE (Physical Address Extensions) and AWE. My motherboard might be capable of doing this but it's not just a simple matter of flipping a switch and saying, ok, now I can access more than 4 GB RAM.

Well, would like to hear some opinions about this. Would be great if it works and prevent a heavy upgrade to x64. Other suggestions are also welcome!

Lupke
        Jul 29 2012 at 10:38am
Genie au Travail You can try RamDisk Plus :
http://www.superspeed.com...mdisk.php/

Prices are very high (x32 and x64 editons must be purchased seperately),

With this software you can use the RAM above 3,5 GB and (more interesting) use the RAM beyond 4 GB even if your OS doesn't support it.
You can too use the RAM above 4GB without using the RAM between 3,5 and 4 GB (IMHO the best settings).
        Jul 29 2012 at 12:04pm
Jan-Christoph Ihrens "You can try RamDisk Plus :
http://www.superspeed.com...amdisk.php/

Prices are very high (x32 and x64 editons must be purchased seperately)"

Well, when I upgraded my computer (including a replacement of my 3 GB of RAM with 12 GB), I had to wait a few months with the software upgrade (Windows XP Professional 32 bit = Windows 7 Ultimate x64), so I asked if there was a possibility to upgrade from the 32-bit version to the 64-bit version. They told me to buy the 64-bit version and sent me an additional 32-bit license key that I could use until I was able to switch to Windows 7.
        Jul 30 2012 at 3:19pm
Jan-Christoph Ihrens Hm, somehow my posting has vanished... I'll try it again. ;)


"You can try RamDisk Plus :
http://www.superspeed.com...amdisk.php/

Prices are very high (x32 and x64 editons must be purchased seperately)"

Well, when I upgraded my computer (including a replacement of my 3 GB of RAM with 12 GB), I had to wait a few months with the software upgrade (Windows XP Professional 32 bit = Windows 7 Ultimate x64), so I asked if there was a possibility to upgrade from the 32-bit version to the 64-bit version. They told me to buy the 64-bit version and sent me an additional 32-bit license key that I could use until I was able to switch to Windows 7.
        Jul 30 2012 at 4:02pm
Daniel . Why don't you run 64bit windows? That can address more than 4GB of ram.
        Jul 29 2012 at 3:35pm
Rick Truell Hi, Lupke. You basically answered your own question:

"A normal 32 bits processor uses 2^32 physical addresses (4gb in total). Anything above this has to be simulated in my opinion by writing physical memory to a harddrive or whatever"

There is simply no way around this for the "average" person. After reading the web page you linked to, I did a google search and found a discussion on using 64GB with a 32-bit processor. Not only do you need a special version of Windows 2003 Server (which you probably can't get anymore), you need "a 32 bit x86 chip called the Xeon MP. The only way you could get 64GB though is with a 16 chip Xeon MP array, where each chip, being 32 bit, addresses its own 4GB of RAM" (quoted from http://www.tech-forums.ne...#post23949 ). But this is still not *exceeding* the 4GB maximum...it's just a *really* expensive way of combining 16 groups of 4GB into one array! You were planning on selling the house, right? :-)

As pointed out by Genie, the only thing you can really do without going to a 64-bit machine is to use a RAM disk to make use of any RAM above 4GB that your motherboard supports.
        Jul 29 2012 at 8:35pm
Lupke Brother thank you all for your quick and clear answers!

@ Daniel, yes, I was stupid enough not to start with x64 when I built my new computer a few years ago. Shame, but there are other solutions!

@ Genie, it is expensive indeed. I use the Gavotte RAM disk. It's free and fast and it's also capable of using RAM beyond 4gb ! (http://www.jensscheffler....-windows-7)
Have to check if Gavotte can make an exception for the RAM between 3,5-4gb.

@ Rick,
Thank you! Needed my own thoughts about this confirmed, and you did. And I did not know about the special chip needed. Not planning to sell my house indeed :-) I will loan some extra memory from a friend and test my system up to 8gb to see if it works.

Thankx again!
        Jul 30 2012 at 12:53am
Genie au Travail Lupke,

Here a link for a benchmark of 12 RAM disk software, Gavotte doesn't have good results :

http://www.raymond.cc/blo...ite-speed/
        Jul 30 2012 at 3:28am
Lupke Brother thank you Genie, this is from april 2012 ! Nice.
        Jul 30 2012 at 3:52am
Rick Truell Thanks from me as well, Genie. A nice, fairly recent comparison...what more could an upgrader want? :-)
        Jul 30 2012 at 8:15pm
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