How can Virtual memory allocation be extended to 3 Gigabytes on a 32 bit operating system?

 
  • Information
  • Software
    Autodesk® Advance Steel
  • Module
    Autodesk® Advance Steel - All
  • Version
    > 2010
  • Type
    General
  • Difficulty
    *****

Computers that run on a 32-bit Windows platform are limited to use 2 gigabytes of virtual memory. This limitation can be reached by Advance programs (Advance Steel, Advance Design and Advance Concrete) when using a very large model that uses a large amount of memory. This can be avoided by extending the virtual memory of the operating system to a maximum of 3 gigabytes. The initialization file, "Boot.ini", that windows uses when booting must be modified with a new line containing the parameter /3GB in the "OS Load Option" sector.

Perform the following steps:

1. From the Windows start menu, select "Run".

How can Windows Virtual memory allocation be extended to 3 gigabytes on computers with a 32-bit operating system

2. Type "cmd" and click OK. This will display the Command Prompt dialog box.

How can Windows Virtual memory allocation be extended to 3 gigabytes on computers with a 32-bit operating system

3. First, make a copy of the original line.

Command: bootcfg /copy /d "Microsoft Windows XP Professional 3GB" /id 1
The name between the brackets is only informative.

How can Windows Virtual memory allocation be extended to 3 gigabytes on computers with a 32-bit operating system

How can Windows Virtual memory allocation be extended to 3 gigabytes on computers with a 32-bit operating system

4. Next, add the 3GB parameter to the new line.
Command: bootcfg /raw "/noexecute=optin /fastdetect /3GB" /id 2

How can Windows Virtual memory allocation be extended to 3 gigabytes on computers with a 32-bit operating system

How can Windows Virtual memory allocation be extended to 3 gigabytes on computers with a 32-bit operating system

5. Set the new line as the default.
Command: bootcfg /default /id 2

How can Windows Virtual memory allocation be extended to 3 gigabytes on computers with a 32-bit operating system

How can Windows Virtual memory allocation be extended to 3 gigabytes on computers with a 32-bit operating system

6. You can verify the modifications by running the command: bootcfg
The results should look like :

How can Windows Virtual memory allocation be extended to 3 gigabytes on computers with a 32-bit operating system

This modification is available only on systems that run 32-bit Windows.
Warning : Any modifications to boot.ini that are not correct or according to this FAQ may cause problems with the operating system and prevent Windows from loading.

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