Intel® Mobile Pentium® III Tualatin processor with 512 KB L2 cache and Intel® SpeedStepTM technology support 64-bit memory bus Modular bay (removable CD or DVD drive) External USB floppy drive High-capacity, Enhanced-IDE hard disk Li-Ion main battery pack Power management system with ACPI (Advanced Configuration Power Interface) Smart Card interface with pre-boot authentication systems as security feature 13.3” or 14.1” Thin-Film Transistor (TFT) eXtended Graphics Array+ (XGA) liquid crystal-display (LCD), or 15” TFT Super eXtended Graphics Array+ (SXGA+) LCD 3D capabilities Simultaneous LCD and CRT display support Supports other output display devices such as LCD projection panels for large-audience presentations “Automatic LCD dim” feature that automatically decides the best settings for your display and conserves power Dual display capability (except Windows 2000) Built-in 16-bit 3D Audio subsystem Built-in dual speakers Built-in microphone