Configuring Your System 3-21Table 3-3. System Board Jumper SummaryJumper Function Jumper On/Off Description1. CMOS clear Off, Protect Preserves the contents of CMOS.On, Erase Clears CMOS.2. Password disable Off, Enable Enables password protection.On, Disable Disables the password.3. Reserved Off, Not Used Required. Do Not Change.4. Reserved Off, Not Used Required. Do Not Change.5. Reserved Off, Not Used Required. Do Not Change.6. Spare Off, Not UsedOn, Spare Provides a spare jumper.A System Interlock Off, Enable Power is removed from the system ifthe side cover is removed.On, Disable Allows the system to be powered upwith the side cover removed.Moving System Board Jumpers! CAUTIONBefore doing the procedures in this section, make sure thatyour system is powered off and unplug the AC power cordsfrom the back of the chassis. Failure to disconnect powerbefore moving the jumpers can result in personal injury andequipment damage.Observe static precautions. Use an antistatic wrist strap.To configure the system board options:1. Power off the system and remove the left panel as described in Chapter 4 ofthis guide.2. Check to ensure the system power cord is removed from the back of thesystem.3. Locate the position of the jumpers on the system board you are changing. Tochange a jumper setting, use a pair of needle-nose pliers or your fingers toremove the jumper from its current location. Position the jumper over thetwo pins for the desired setting and press it onto the pins. Be careful not tobend the pins. Refer the System Board Summary table for system boardjumper settings.4. Install the system cover and power up the system.
