NEC MH4500 manual Resetting the Cmos Nvram, Clearing and Changing Passwords

2.Locate the position of the jumper block on the system board (see the preceding figure and table for jumper locations and settings).

To change a jumper setting, use a pair of needle-nose pliers or your fingers to remove the jumper from its current position.

Position the jumper over the two pins for the desired setting and press it

Tonto the pins.

Be careful not to bend the pins.

3.Install the access cover, connect any disconnected peripherals, plug in the power cords, and power up the system.

Resetting the CMOS NVRAM

Reset the CMOS NVRAM as follows (also refer to the general procedure given above).

1.Power down the system, disconnect any peripherals, unplug the power cords from the system, and remove the access cover.

2.Move the CMOS Clear jumper from pins 1-2 to pins 2-3 (see the preceding jumper figure and table for jumper locations).

3.Connect the power cords to the system and power on the system.

Wait for POST to complete and for these messages to appear.

“NVRAM cleared by jumper”

“Press F2 to enter Setup”

This automatically reprograms CMOS and RTC to their default settings.

4.Press F2 to enter Setup and make any changes necessary.

5.Press F10 to save the new setup configuration and exit Setup.

6.Power off the system and unplug the power cords from the system.

7.Move the CMOS Clear jumper back to pins 1-2.

8.Replace the access cover, reconnect any peripherals, plug in the power cords, and power on the system.

9.Run the BIOS Setup Utility to check the configuration of your system.

Clearing and Changing Passwords

Use the following procedure to clear and change passwords (also refer to the general procedure given earlier).

1.Power down your system, disconnect any attached peripherals, unplug the power cords from the system, and remove the access cover.

2.Move the Password Clear jumper from pins 5-6 to pins 6-7 (see the preceding jumper figure and table for jumper locations).

3-24 Configuring Your System