Savedump.exe and Pagefile

I was curious about what savedump.exe does. And after some research I found that on Windows 2000 it is a part of the logon process where it copies the crash dump section from the pagefile to a memory dump and also creates a mini dump file. Please refer to the following links:

http://support.microsoft.com/kb/257299

http://support.microsoft.com/kb/262077