HP rp5000 Point of Sale System P4 2.8 GHz 512MB/80G DVD-ROM WXP Pro. Processor model: Intel® Pentium® 4 Processor, Motherboard chipset: Intel 845GV, Processor front side bus: 400 front side bus. Memory type: DDR PC2700, Memory slots: 2 DIMM, Maximum internal memory: 2 GB. Hard drive rotational speed: 7200 RPM. Optical drive type: DVD-ROM. Audio system: chipset integrated