Features This computer was designed with the user in mind. Here are just a few of its many features: Performance Intel ® Mobile Pentium® IV Northwood processor-M with 512 KB L2 cache and Intel® SpeedStepTM technology support 64-bit memory bus Memory expandable up to 1GB Internal removable optical drive (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