loading scenery textures

I wonder if someone can help me with this problem.I have an XP2100+ with a GeForce2 TI 64 Mb card. My system has 512 MB of RAM, and a SB Audigy sound card. I also have a 640 MB permanemt swap file.I did a FULL INSTALL with 2.59 Gigabytes of files in the FS2004 directory and run FS2004 with the CD Disk #4 in my CDROM Drive.My problem wuth FS2004 is that while I am flying it stops periodically to load new scenery textures into memory. If I am flying at night it resets the time to day. I have no problems with FS2002.I sure would be grateful if someone has any advice on this matter.Thanks in advance...............S