IBM 6648 User Guide - Page 51

Erasing a lost or forgotten password (clearing CMOS), Using Adapter ROM security

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8. To delete an administrator password, select Delete Administrator Password and press Enter. 9. Press Esc until you return to the Configuration/Setup Utility program menu. 10. Select Save Settings from the Configuration/Setup Utility program menu; then press Enter and follow the instructions on the screen to exit from the Configuration/Setup Utility program. Erasing a lost or forgotten password (clearing CMOS) This section applies to lost or forgotten passwords that are not protected by Enhanc ed Security. For information about lost or forgotten passwords that are protected by Enhanced Security, see "Using Enhanced Security" on page 31. To erase a forgotten password: 1. Turn off the computer and all attached devices. 2. Unplug the power cord. 3. Remove the cover. See "Removing the cover" on page 45. 4. Refer to the system board cover label inside the computer to locate the clear CMOS jumper on the system board. 5. Set the jumper from the standard position (pins 1 and 2) to pins 2 and 3. 6. Replace the cover and plug in the power cord. See "Replacing the cover and connecting the cables" on page 65. 7. Restart the computer, leave it on for about ten seconds, and then turn off the computer. 8. Repeat steps 2 through 4. 9. Set the jumper back to the standard position (pins 1 and 2). 10. Replace the cover and plug in the power cord. See "Replacing the cover and connecting the cables" on page 65. Using Adapter ROM security Adapter ROM security prevents unauthorized users from altering the setup of vital adapters in your computer. You can set Adapter ROM security to on or off. Using the IBM Embedded Security Chip Some models come with the IBM Embedded Security Chip. The Embedded Security Chip is a built-in cryptographic technology that can be used to secure the electronic transmission of information. To use the security features on this chip, you must also install security software that is available at http://www.ibm.com/pc/support/ on the World Wide Web. To enable the IBM Embedded Security Chip, do the following: Chapter 4. Using the Configuration/Setup Utility program 37

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8.
To delete an administrator password, select
Delete Administrator
Password
and press Enter.
9.
Press Esc until you return to the Configuration/Setup Utility program
menu.
10.
Select
Save Settings
from the Configuration/Setup Utility program menu;
then press Enter and follow the instructions on the screen to exit from the
Configuration/Setup Utility program.
Erasing a lost or forgotten password (clearing CMOS)
This section applies to lost or forgotten passwords that are not protected by
Enhanc ed Security. For information about lost or forgotten passwords that are
protected by Enhanced Security, see “Using Enhanced Security” on page 31.
To erase a forgotten password:
1.
Turn off the computer and all attached devices.
2.
Unplug the power cord.
3.
Remove the cover. See “Removing the cover” on page 45.
4.
Refer to the system board cover label inside the computer to locate the
clear CMOS jumper on the system board.
5.
Set the jumper from the standard position (pins 1 and 2) to pins 2 and 3.
6.
Replace the cover and plug in the power cord. See “Replacing the cover
and connecting the cables” on page 65.
7.
Restart the computer, leave it on for about ten seconds, and then turn off
the computer.
8.
Repeat steps 2 through 4.
9.
Set the jumper back to the standard position (pins 1 and 2).
10.
Replace the cover and plug in the power cord. See “Replacing the cover
and connecting the cables” on page 65.
Using Adapter ROM security
Adapter ROM security prevents unauthorized users from altering the setup of
vital adapters in your computer. You can set Adapter ROM security to on or
off.
Using the IBM Embedded Security Chip
Some models come with the IBM Embedded Security Chip. The Embedded
Security Chip is a built-in cryptographic technology that can be used to secure
the electronic transmission of information. To use the security features on this
chip, you must also install security software that is available at
http://www.ibm.com/pc/support/ on the World Wide Web.
To enable the IBM Embedded Security Chip, do the following:
Chapter 4. Using the Configuration/Setup Utility program
37