Darrion
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Hello everyone! I just wanted to remove 4GB memory limit on my x86 W7 OS. I used this HOW TO forums.evga.com/HOW-TO-Removing-4GB-Memory-Limit-on-32-bit-Windows-m960087.aspx and i've got problem that i can't solve. Mr Rudster816 says: ' If Windows goes in to repair mode, you probably didnt redo the checksum\resign the modified kernel property' but i don't know how to checksum\resign kernel property. Can you make an tutourial for me? I would be greatful :3
post edited by Darrion - 2014/07/16 02:55:12
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Rudster816
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Re: Removing 4GB Memory Limit on x86 W7 OS Problem.
2014/07/19 07:45:25
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Darrion
Hello everyone! I just wanted to remove 4GB memory limit on my x86 W7 OS. I used this HOW TO forums.evga.com/HOW-TO-Removing-4GB-Memory-Limit-on-32-bit-Windows-m960087.aspx and i've got problem that i can't solve. Mr Rudster816 says: ' If Windows goes in to repair mode, you probably didnt redo the checksum\resign the modified kernel property' but i don't know how to checksum\resign kernel property. Can you make an tutourial for me? I would be greatful :3
The tutorial I wrote includes the step on how to resign the modified kernel. As I reread the tutorial I don't I ever explicitly stated that the modified kernel must be moved into the System32 folder, did you do that? The steps to resigning the kernel look like this
cd C:\Program Files\Microsoft Visual Studio 9.0\VC
vcvarsall
cd C:\Windows\System32
editbin /release ntkl64g.exe
makecert -r -ss my -n "CN=My Cert"
signtool sign -s my -n "My Cert" ntkl64g.exe
You can see the normal output at the command prompt from these commands in one of the pictures I posted in the tutorial. You should delete your modified kernel and follow the steps of the tutorial again starting at the point where you make a copy of your kernel. Then stop after you do the above steps, as you should already have a second bootloader option for loading the modified kernel. Just make sure that you use the same name for the modified kernel (ntkl64g.exe in the tutorial) as you did the first time.
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notuptome2004
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Re: Removing 4GB Memory Limit on x86 W7 OS Problem.
2014/07/23 02:24:20
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is there a real reason you dont just run a 64bit OS on your system since it is 100% backwards compatible with all 32bit software also 64bit Os is a bit faster and since out of the box it can use much more ram as it was made to do unlike the 32bit OS you have to well run it in PAX mode or what ever but that can cause more issue then not . so unless you happen to run on a CPU that is only 32bit you should just get windows 7 or 8.1 64bit version of the OS
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Rudster816
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Re: Removing 4GB Memory Limit on x86 W7 OS Problem.
2014/07/23 21:45:23
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notuptome2004
is there a real reason you dont just run a 64bit OS on your system since it is 100% backwards compatible with all 32bit software also 64bit Os is a bit faster and since out of the box it can use much more ram as it was made to do unlike the 32bit OS you have to well run it in PAX mode or what ever but that can cause more issue then not . so unless you happen to run on a CPU that is only 32bit you should just get windows 7 or 8.1 64bit version of the OS
A lot of OEM's use to sell computers with 4GB (or sometimes more) of RAM with a 32 bit version of Windows. So someone would have to go out and spend another $150 on a copy of 64 bit version of Windows just to use all of their RAM. This doesn't seem to happen that often anymore though. Also, 32 bit software isn't 100% compatible when running on a 64 bit version of Windows. There are many hardware devices that only have drivers written for 32 bit versions of Windows, and you lose the ability to run 16 bit software as well.
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notuptome2004
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Re: Removing 4GB Memory Limit on x86 W7 OS Problem.
2014/07/27 20:31:31
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Rudster816
notuptome2004
is there a real reason you dont just run a 64bit OS on your system since it is 100% backwards compatible with all 32bit software also 64bit Os is a bit faster and since out of the box it can use much more ram as it was made to do unlike the 32bit OS you have to well run it in PAX mode or what ever but that can cause more issue then not . so unless you happen to run on a CPU that is only 32bit you should just get windows 7 or 8.1 64bit version of the OS
A lot of OEM's use to sell computers with 4GB (or sometimes more) of RAM with a 32 bit version of Windows. So someone would have to go out and spend another $150 on a copy of 64 bit version of Windows just to use all of their RAM. This doesn't seem to happen that often anymore though.
Also, 32 bit software isn't 100% compatible when running on a 64 bit version of Windows. There are many hardware devices that only have drivers written for 32 bit versions of Windows, and you lose the ability to run 16 bit software as well.
i never saw a OEM system that had more then 4gb of ram and only 32bit OS every system i have seen with even 4gb of ram now days and in the past 3 years has been 64bit 4gb of ram or less so i dont know what system you saw . Now as for compatibility umm that is not an issue unless you are running 20 year old hardware everything 100% works with 64bit if it did not geuess what you seen everyone here complain about 64 crap this or that so sorry you should see about living in the year 2014 where thiis is not an issue
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candle_86
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Re: Removing 4GB Memory Limit on x86 W7 OS Problem.
2014/07/28 17:51:12
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Sprinx
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Re: Removing 4GB Memory Limit on x86 W7 OS Problem.
2014/07/29 12:11:19
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candle_86
http://www.w7forums.com/threads/official-windows-7-sp1-iso-image-downloads.12325/
These are official digital river Sanctioned MS Download links for the clean windows 7 disks, 100% legal. You don't need to go out and buy a new copy to use 64bit, your key is good for 32bit or 64bit.
This right here. Download the x64 version of Windows 7, and back up all of your data to an external hard disk or flash drive (depending on how much you have). Then, if you can, back it up again to a second external hard disk or flash drive. Then reinstall Windows x64 bit using the downloaded ISO from above, and use your key that is on the label on your PC.
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martinch
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Re: Removing 4GB Memory Limit on x86 W7 OS Problem.
2014/08/05 05:29:48
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notuptome2004Now as for compatibility umm that is not an issue unless you are running 20 year old hardware/ It depends on the quality of the drivers, really. We have stuff at work that's ~10 years old and requires 32-bit XP (or worse - Windows 2000) - it simply won't run on 64-bit, and is exceptionally flaky on Windows Vista/7 32-bit. This is niche equipment, and the supplier's response is (obviously) "buy our new device for >£30,000". There again, we've also got stuff of the same age that was supplied paired with a 486 to drive it ... notuptome2004 everything 100% works with 64bit if it did not geuess what you seen everyone here complain about 64 crap this or that so sorry you should see about living in the year 2014 where thiis is not an issue The 64-bit builds of Windows do not have the ability to run 16-bit code, unlike the 32-bit builds - this is an issue for old applications/installers, and some custom line-of-business applications which are simply too costly to replace. The backwards compatibility of the 64-bit build is generally very good, but out in the business world where things are more complicated than just Windows + Office, to say there aren't any compatibility issues is demonstrably false.
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Sprinx
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Re: Removing 4GB Memory Limit on x86 W7 OS Problem.
2014/08/05 07:09:40
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I have to agree with martinch on this one. Not only is it that certain hardware requires 32-bit OS for their drivers, there is also the hardware and / or software that is written so that it doesn't work with any OS later than XP. Most often it is due to the fact that it is not written very well, and requires admin rights at all times (not compatible with UAC), or it uses the old method of audio processing (pre-Vista).
In 2007 I had to work on a special project at my job which required an IBM Thinkpad running Windows 95, due to the fact that it was communicating over serial cable to some pretty old-school tech.
Nevertheless, the OP is referencing an article from 3 years ago, when people were still trying to make the transition to 64-bit OS. At this point, I would say that he should move to 64-bit instead of trying kernel modifications, etc., which may break future Windows updates or cause stability issues.
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candle_86
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Re: Removing 4GB Memory Limit on x86 W7 OS Problem.
2014/08/06 19:36:46
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martinch
notuptome2004Now as for compatibility umm that is not an issue unless you are running 20 year old hardware/
It depends on the quality of the drivers, really. We have stuff at work that's ~10 years old and requires 32-bit XP (or worse - Windows 2000) - it simply won't run on 64-bit, and is exceptionally flaky on Windows Vista/7 32-bit. This is niche equipment, and the supplier's response is (obviously) "buy our new device for >£30,000". There again, we've also got stuff of the same age that was supplied paired with a 486 to drive it ...
notuptome2004 everything 100% works with 64bit if it did not geuess what you seen everyone here complain about 64 crap this or that so sorry you should see about living in the year 2014 where thiis is not an issue
The 64-bit builds of Windows do not have the ability to run 16-bit code, unlike the 32-bit builds - this is an issue for old applications/installers, and some custom line-of-business applications which are simply too costly to replace. The backwards compatibility of the 64-bit build is generally very good, but out in the business world where things are more complicated than just Windows + Office, to say there aren't any compatibility issues is demonstrably false.
the systems that require this should be virtualized at this point or running on a system disconnected from the main network to do its job still.
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Brad_Hawthorne
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Re: Removing 4GB Memory Limit on x86 W7 OS Problem.
2014/08/07 00:11:08
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Is anything actually shipping with a 32-bit OS anymore (besides mobile devices)?
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