Configuring Your System 3-23Table 3-3. Password/CMOS System Board Jumper SummaryJumper FunctionJumper On/Off(default in bold) What it does at system reset.A CMOS clear Off, ProtectOn, ErasePreserves the contents of CMOS.Clears CMOS.B Password disable Off, EnableOn, DisableEnables password protection.Disables the password.C Reserved Off, Not Used Do Not Change.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.Clearing CMOSClear CMOS as follows.1. Unlock and open the front bezel and power off the system.2. Slide the server out of the rack into the locked position as described inChapter 4 of this guide.3. Remove the top cover.4. Remove the system power cord from the back of the system.5. Locate the position of the CMOS jumper on the system board.See Figure 3-1. To change a jumper setting, use a pair of needle-nose pliersor your fingers to remove the jumper from its current location. Position thejumper over the two pins shown at Figure 3-1, A and press it onto the pins.Be careful not to bend the pins. Also refer to Table 3-3 for system boardjumper setting descriptions.6. Connect the power cord, power on the system and after POST completes,power down the system and unplug the power cord.7. Remove the CMOS jumper to its original position.8. Replace the top panel, connect the power cord, and power on the system.9. Press F2 at the prompt to run the BIOS Setup utility, and select “Get DefaultValues” at the Exit menu.
