User Guide106www.nec-computers.comConfiguring MotherBoard JumpersOnly a qualified technical person should perform the procedures in this section.CautionElectrostatic discharge (ESD) can damage the motherboard.Modify the motherboard only at an ESD workstation. Otherwise,wear an antistatic wrist strap attached to chassis ground.The motherboard jumpers enable you to set specific operatingparameters for your system. A jumper is a small plastic-encased conductor (shorting plug) that slips over two jumperpins.With the pre-installed SETUP utility, you can set desired passwords to protect the datastored in the server against access from unauthorized users. When you forget thepasswords, however, you may want clear them. The following describes how to clearthese passwords. You can also use the following procedure to clear the CMOS data inthe server.Note:■ Clearing the CMOS data resumes the factory-set configura-tion data.■ After clearing CMOS, you must run the BIOS SETUP utilityand execute the following menus to reconfigure your motherboard.– Load Setup Defaults in the Exit menu– Memory Retest of Memory Configuration in the Advancedmenu– Processor Retest of Processor Settings in the Main menuTo clear passwords or the CMOS data, use the jumper switch on the mother board ofthe server. The following figure illustrates the jumper switch location.CautionDo not change any other switch settings.Any change may cause the server to fail or malfunction.
