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How To Use More Than 512 MB Of RAM With Windows 9x
How To Use More Than 1 GB Of RAM With Windows 9x
How To Run A Dial-Up Networking (DUN) Connection From Within A Batch File
How To Open An Empty Internet Explorer Window
How To Create A Cascading Control Panel Menu

 

How To Use More Than 512 MB Of RAM With Windows 9x

 

Windows 95, Windows 98, Windows 98 SE and Windows ME will access more than 512 MB of RAM but it needs a tweak to do so.

The problem is that if more than 512 MB is installed, the VCACHE -- which is a portion of RAM set aside to hold code from previously loaded applications that have been subsequently closed in order to speed up reloading them -- increases to about 80% of the total RAM installed, leaving too little RAM to operate from.  This results in an error message, and frequently, a crash.

The solution is to limit the VCACHE.

To do this, you must:
1. Open a file called SYSTEM.INI located in the C:\WINDOWS directory.
2. Go through the SYSTEM.INI file until you find a section headed with [vcache] (including the square brackets).  There will probably be no entries directly under it.
3. You will need to add two entries under it, one being MinFileCache=x, the other being MaxFileCache=y.

The values for x and y will determine how much RAM is used for the VCACHE.  The values for x and y must be entered in kilobytes (KB).  Remember that 1 megabyte (MB) is equal to 1024 kilobytes, not 1000 kilobytes.

[vcache]
MinFileCache=2048
MaxFileCache=65536

My system has 1 GB (1024 MB) of RAM, and I don't multitask very heavily, so I use a minimum of 2048 KB (2 MB), and a maximum of 65536 KB (64 MB).

If you want to, you can make x and y higher or lower, depending on your needs. You can experiment to find your optimal values.

Bill Funk

 

For more information, visit the following web sites:

Microsoft Support: "Out of Memory" Error Messages
with Large Amounts of RAM Installed

http://thpc.info/ram/vcache98.html
http://thpc.info/ram/z_vcache98.html

 

The information on this web site came from http://www.pippinf.com/vcache.htm, which no longer exists.


How To Use More Than 1 GB Of RAM With Windows 9x

 

Windows 95, Windows 98, Windows 98 SE and Windows ME will access more than 1 GB of RAM but it will need 2 tweaks to do so.

To apply these tweaks, you will need to open the SYSTEM.INI file located in the directory where Windows is installed (usually C:\WINDOWS).

First, you will need to find the [vcache] section and add the VCACHE tweak described in the "How To Use More Than 512 MB Of RAM With Windows 9x" section above.

Second, you will need to find the [386Enh] section and add the MaxPhysPage=3BFFF entry to it.  Do not alter the other entries in the [386Enh] section.

You can copy this section to your own computer:
[vcache]
MinFileCache=8192
MaxFileCache=32768

[386Enh]
MaxPhysPage=3BFFF

Adding the MaxPhysPage=3BFFF entry to the [386Enh] section will limit the amount of memory Windows uses to 960 MB.  This will prevent the "Out of Memory" error that occurs when Windows 95/98/ME is booting on a machine with more than 1 GB of RAM installed.

I have tried this tweak on my own computer, and it really works.  In fact, I am using this computer right now to assemble this web page.  My computer is a 1 GHz dual-processor Pentium III with 1.5 GB of RAM installed and it is running Windows 98 SE.

 


How To Run A Dial-Up Networking (DUN)
Connection From Within A Batch File

start RUNDLL RNAUI.DLL,RnaDial Name of DUN Connection

  • The "start" command is optional.
  • Do not enclose the name of the DUN connection with quotes, even if it contains spaces.
  • The name of the DUN connection is case-sensitive.

     


    How To Open An Empty Internet Explorer Window

    Create a shortcut with the following command line:

    "C:\Program Files\Internet Explorer\IEXPLORE.EXE" -nohome

     


    How To Create A Cascading Control Panel Menu

    Create a folder with the following name:

    Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}