Features This computer was designed with the user in mind. Here are just a few of its many features: Performance Intel® Mobile Pentium® 4 series processors with 512 KB L2 cache or Intel ® Mobile Celeron® processor with 256 KB L2 cache 64-bit memory bus 64-bit memory bus CD, DVD or DVD/CD-RW combo drive. Built-in floppy diskette drive High-capacity, Enhanced-IDE hard disk High-capacity battery pack Advanced Configuration Power Interface (ACPI) power management system