You'll never have access to a full 4GB of RAM on a 32-bit OS. The entire address space is 4GB, of which some is hardware. 3.5GB is as good as it gets.that is total bullsh1t. When you patch your kernel to allow the PAE extension to function. If you have 4GB installed.
Then all but 3MB, yes, 3MB is the reserve for hardware. The rest is usable RAM.
There are too many wana be smart asses out here on the net that may remember word for word what they have read, but they havent done shit. They obviously are not the right people to ask if they just take what they are told. That is not my idea of a person of reference.FYI 32bit Windows servers average 64GB of RAM on the high end. And on the low side you would see something around 12GB. Dont try to pollute peoples minds with your virgin experiences.
So most of my computers run a version of Ubuntu, Debian or Android. Used to be contrarian, but these days seems more devices are built on Linux kernels than almost any other type, so I’m just part of the mainstream.Unfortunately, I also love the occasional First Person Shooter video game, or spend hours in an immersive Virtual Reality environment. It is an addiction, which I can mostly control.
But sometimes, well, game on.The one thing that Linux doesn’t do well is gaming. All the best games these days are released on the DX10 or DX11 platform on Microsoft Windows 7. So, like an alcoholic with a whiskey stash, I need to keep a Windows version stashed somewhere to appease the addiction.Recently, I purchased a HP Netbook. The Windows 7 system it came loaded with was erased within 90 minutes of unboxing, and that was that.When it came to rebuilding and upgrading my gaming machine, I thought why not repurpose that Windows 7 Starter licence as my DX11 gaming platform.
A few hours later, with my shiny new Windows 7 Starter SP1 was installed, validated, and perfectly legal, I found only two issues with the Window 7 Starter SP1 operating system. No Aero. Being used to Compiz on Ubuntu, being stuck on one screen with few decorations seemed pretty last millennium. But since this is a gaming stash, that I will always be playing full screen, there is really no downside. Limit to 2GB RAM. The Windows 7 Starter version does not support more than 2GB of RAM, though other versions reportedly support up to 4GB.
This was a problem for me, as my machine runs much more RAM, and I hate waste.Microsoft provides describing the limits on X86 (32bit) Windows 7. VersionLimit on X86Limit on X64Windows 7 Ultimate4 GB192 GBWindows 7 Enterprise4 GB192 GBWindows 7 Professional4 GB192 GBWindows 7 Home Premium4 GB16 GBWindows 7 Home Basic4 GB8 GBWindows 7 Starter2 GB2 GBThe dirty little secretThe secret that Microsoft doesn’t want to tell you is t hat 32-bit editions of Windows 7 are limited to 4GB is not because of any technical constraint on 32-bit operating systems. All the 32-bit editions of Windows 7 contain the code required for using physical memory above 4GB.
Microsoft just doesn’t license you to use that code.I sourced the information I’m quoting from web site, and I’ve found it to be completely true.There are other resources on the Internetz and Torrentz that provide some patch code together with mysterious installers that may or may not address the memory limitation issue, too. But, since we’re dealing with the Kernel of my operating system, I was not sure that they would or would not add any Trojans, Malware, or similar. So let’s stay away from that stuff.Following the recipeFollowing Greg’s recipe to create a kernel is relatively simple. He lists all the things to do very clearly. I have extracted some of his words below, and modified them for my simple minded clarity.The only executable that we’re going to touch is the PAE kernel, named NTKRNLPA.EXE, from 32-bit editions of Windows 7 SP1.
The known builds have a routine named MxMemoryLicense in which there are two sequences of nearly identical code, one for each relevant license value. Each sequence calls the undocumented function ZwQueryLicenseValue and then tests for failure or for whether the data that has been read for the value is zero. In the known builds, each sequence has the following instructions in common: Opcode BytesInstruction.
Je defaultSo the idea is to get A COPY of your NTKRNLPA.EXE and rename it ntkr128g.exe This is the file you are going to patch. Use a Hex/Byte editor to search for the byte string 8B 45 FC 85 C0 74. You will find approximately 25 occurrences of this byte string within the ntkr128g.exe file found in my Windows 7 Starter SP1 system.
Windows 7 32 Bit 4gb Ram
You need the PATCH THE LAST TWO OCCURRENCES ONLY.Both occurrences are to be patched the same way. The patch is designed to vary the ordinary execution as little as possible.
The kernel is left to call ZwQueryLicenseValue as usual and to test for failure, but the last three of the above instructions are changed so that the kernel proceeds as if the retrieved data is the value that represents 128GB (which is the least value that removes licensing from the kernel’s computation of maximum physical address). Change the 7 bytes starting from 0x8B so that you now have the following instructions: Opcode BytesInstruction.
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NopThis means that you replace the last two occurrences of 8B 45 FC 85 C0 74 yy with B8 00 00 02 00 90 90 in the file. Well not really.
You have to follow Greg’s instructions to add a digital signature to the kernel, so that it can boot properly.To add the digital signature, you need to download the Microsoft Software Development Kit, and install the tools (only tools required) to get access to the certification and signing tools to enable the kernel to boot. It is not hard. Just a little time consuming.In Test Mode, the loader relaxes its integrity checking such that any root certificate is accepted. For suitable tools, with documentation, look in either the Windows Software Development Kit (SDK) or the Windows Driver Kit (WDK). To make your own certificate, run some such command as. Hi Felipu.I’ve got an original “w7 starter” code-sticker, off a dead Toshiba nb200 netbook, and i wanted to use it for my i3/4g ram desktop.
I have kernel 6.1.7601.17514 Win 7 Ultimate x86. My cpu does not support Nx bit or DEP but it does support PAE. I didn’t quite understand to replace 8B 45 FC 85 C0 74 yy with B8 00 00 02 00 90 90 Since I found the last two instances of 8B 45 FC 85 C0 74 which show as 2nd to last 8B 45 FC 85 C0 74 0A and last one being 8B 45 FC 85 C0 74 09. Should I replace the 0A or 09 with the 90? I’m guessing so I’m downloading the 650MB iso of GRMWDKEN76001.ISO to sign it guess ill mount the ISO and install it I guessWill this work on a cpu that doesn’t support DEP or Nx bit? Yet does support PAE?Bios reports 4096MB, windows reports Installed 4096MB, yet total is 3326MB Which leaves the 769MB as hardware reserved. Which is what I’m trying to resolveTHANKS!
Windows 7 32 Bit 8gb Ram
Sorry to re-post but I didn’t read your above post. In regards to pulling a usable amount out that hardware reserved may have an effect on an x64 cpu. Since x64 cpu’s support Nx bit and DEP by hardware. A true x86 cpu typically will not support Nx bit or DEP which these operating systems appear to rely on for memory addressing.If what you say is correct about no difference in this mod in regards to applying it to a true x86 system, then that tells me there’s no reason why modding the kernel will not unleash that 769MB of hardware reserved.Thanks 😀.