Note: This FAQ is for users of Stata 6.
It is not relevant for more recent versions.
Stata 6: Windows memory allocation
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Title
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Stata 6: Windows memory allocation
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Author
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Chinh Nguyen, StataCorp
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Why can’t I access all available free memory from
Windows 3.1?
This is almost always due to device drivers being loaded in the wrong order
or a misbehaving device driver.
See Stata is
crashing—Do you have bad or conflicting device drivers?
Another possible cause is programs that do not completely free up their
memory when they exit. This is because Stata requires that its memory be
one large contiguous block. Programs that do not completely free their
memory on exit leave the available memory fragmented, which prevents Stata
from getting all the memory it is requesting.
An early version of WordPerfect has been known to do this. Restart Windows
and make sure that Stata is the first application you start.
How do I set the amount of memory allocated to
Stata under Windows 3.1 and 98/95/NT?
Under Windows 3.1, click the Stata application icon, select File →
Properties and change the /k option in the Command Line
edit field.
There are two ways to change the program properties under Windows 98/95/NT.
The first method is to first create a shortcut for the Wstata icon on the
desktop, and then change the property of this Stata icon. The process is as
follows:
- Locate the My Computer icon on the desktop, double-click it.
- Double-click Ms-dos(C:) icon.
- Double-click Windows icon.
- Double-click Start Menu icon.
- Double-click Programs icon.
- Double-click Stata icon.
- You should now be in the directory
c:\windows\Start Menu\Programs\Stata, and there should be an
Intercooled Stata icon, a Pseudo-Intercooled Stata icon,
or a Small Stata icon in this directory, depending on the flavor
of Stata you have installed. For the sake of convenience, let's call
this icon the wstata.exe icon.
- Right-click and drag the wstata.exe icon to the desktop area.
- You should now see the options move here, copy here,
create shortcut here, etc. Click create shortcut here.
- Now you should have a wstata.exe icon on the desktop.
- Right-click this wstata.exe icon on the desktop and select
Properties.
- Choose the shortcut tab. There should be a target line
reading c:\stata\wstata.exe.
- Now add /k#### to the end of the target line, where
#### is the desired amount of memory. You will get this amount of
memory assigned to Stata's data the next time you double-click
this wstata.exe icon on the desktop. For example, if we want to
change to 5MB, or 5000k, the target line should read:
c:\stata\wstata.exe /k5000.
The other way is to modify the Stata shortcut in the taskbar (everything you
see in the taskbar is actually a shortcut):
- Select Start → Settings → Taskbar from the Start
task button.
- Select the Start Menu Programs tab.
- Click the Advanced button.
- Find the Stata icon under the Start Menu → Programs → Stata
heirarchy and select it.
- Select Properties from the File menu.
- Click the Shortcut tab and modify the /k option in the
Target edit field.
