Author: Lance Perkins
Date: 20:12:24 08/29/05
Go up one level in this thread
On August 29, 2005 at 19:18:32, Vincent Diepeveen wrote:
>On August 29, 2005 at 16:13:58, Marc Bourzutschky wrote:
>
>>What are the options to be able to access more than 2 GB of memory in XP Pro?
>>Does the /3G boot option work in XP Pro, and if so, are special tweaks needed by
>>applications? Are there other options? I'm trying to have more memory
>>available for myself of the 4 GB I have installed on my machine...
>>
>>Thanks,
>>Marc
>
>Perhaps install linux, has more advantages with respect to memory.
>Windows i cannot recommend for software that wants to use more than 480MB ram.
>
>Vincent
I'm not sure where you got that 480MB limit.
C:\Temp\Test>ver
Microsoft Windows [Version 5.2.3790]
C:\Temp\Test>type test.cpp
#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
void main (void)
{
// allocate 768 MB
#define N (1024 * 1024 * 768)
char *p = (char*) GlobalAlloc (GMEM_FIXED, N);
if (p == NULL)
puts ("failed");
else {
CopyMemory (p, p + (N / 2), N / 2);
puts ("ok");
GlobalFree ((HGLOBAL) p);
}
}
C:\Temp\Test>cl -nologo -Ox test.cpp
test.cpp
C:\Temp\Test>test
ok
C:\Temp\Test>
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