Thanks, Crimsun and Cdrradar. There is no penguin in my screen. But seems I have via chip in my motherboard.
I attached a zip file which includes XF86Config-4 XFree86.0.log, and modules.conf. I hope some can figure out what wrong there.
I am tring to install the newest NVIDIA Drivers for my TNT2 M64 card under RedHat 7.3. I followed the installation instruction. When I tried to start the X server. The system froze. I checked the log file, no error happened before the system hanging: Modules was loaded ...