i think this is what you need.
Method 3: Patch winsetup.dll Hack
The file that checks for your system requirements is winsetup.dll and you can find this file on the DVD disc or ISO images. During installation procedure, this file gets activated first and checks for several required things including RAM memory. We can continue with the set up procedure if we can patch winsetup.dll to bypass the RAM memory check during setup installation of Windows 7, Windows Vista and Windows Server 2008. However, this patch works only on 32-bit (x86) systems.
Follow below steps to patch winsetup.dll file :
Extract the contents of DVD ISO image to hard disk drive
Download and install HEX editor AptEdit Pro with HEX Editor plugin
Open winsetup.dll using the HEX editor. You can finf winsetup.dll inside the /source/ folder of the copied installation files.
Search following HEX string inside the file:
Replace the above HEX string with the below one:
Click on Save to save the changes you have made
Run the setup.exe file and the installation should proceed without any RAM limit error messages
You are done.
For user who wants to start installation from bootable DVD instead, replace the winsetup.dll in the ISO with patched version, and then burn the ISO to disc. That's it. you can follow any of above three ways to bypass 512 MB RAM limit while installing Windows Vista, Windows Server 2008 or Windows 7 on your system.
. for x64 systems, use Method 2. glEdited by travesty - 8/8/13 at 6:09pm