General Description 2-13

HOW THE OPERATING SYSTEM SEES THE CPU MODULES

On NEC Express5800/ft series, the CPU modules are redundantly configured but only the processors installed on the primary side are shown.

How CPU modules appear on Device Manager

Device Manager shows as many CPUs as the number of physical CPUs.

System with two CPUs

System with one CPU

System with two CPUs

How CPU modules appear on Task Manager

Intel Xeon processor introduces a new technology called Hyper-Threading Technology. It is a technology that makes the operating system see a single processor performing as two logical processors.

Task Manager shows logical processors using the Hyper-Threading Technology. As shown below, information for the processors of twice the number of physical processors is displayed.

U

System with one CPU

System with two CPUs