Resetting the CMOS NVRAM

Use the clear CMOS memory procedures, which includes the reset CMOS NVRAM process, under "Enable F2 Prompt by Changing a Jumper and Using SSU" in Chapter 5.

Clearing and Changing the Passwords

To clear and change the passwords:

1.Power down your system. Remove the left side panel as described in Chapter 4 of this User’s Guide.

2.Move the Password Clear jumper from pins 5-6 to pins 6-7. Refer to “Configuring System Board Jumpers” to see the location of this jumper.

3.Power on the system and wait for POST to complete. This automatically clears the old password.

4.Power off the system.

5.Move the Password Clear jumper back to pins 5-6.

6.Replace the panel and power on the system.

7.To specify a new password run the BIOS Setup Utility as described earlier in this chapter.

Recovering the BIOS

This procedure should only be performed by qualified technical personnel.

CAUTION

Leave Recovery Boot jumper at factory-default setting. This jumper should only be moved by a technically qualified person.

Boot Block Write Protect

This procedure should only be performed by qualified technical personnel.

CAUTION

Leave boot block jumper at factory-default setting: Programming the boot block incorrectly will prevent the system from booting. Programming should only be done by a technically qualified person. The procedure requires a special “Boot Block Update Utility.” Contact your dealer or sales representative for more information.

Configuring Your System 3-27

Page 79
Image 79
NEC LC1400 Resetting the Cmos Nvram, Clearing and Changing the Passwords, Recovering the Bios, Boot Block Write Protect