POS-7893 High Performance POS Motherboard27to support this function.Core Multi-Processing[Enabled]: Activate multi-core CPU[Disabled]: Single Core CPUPECIEnable or disable Platform Environment Control Interface.Intel(R)Speedstep(tm)techIntel Speedstep Tech auto adjusts power voltage and frequency doubling to reduce powerconsumption and heat dissipation, thus enhancing CPU performance. When CPU overclock,recommend to enable this function.3.2.2 IDE ConfigurationATA/IDE Configuration