Lenovo PC 300PL User guide for IBM PC300PL (type 6584, 6594) systems - Page 60

Using Enhanced Security

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2. From the Configuration/Setup Utility program menu, select System Security and press Enter. 3. Select Security Profile by Device and press Enter. 4. Select the desired devices and settings and press Enter. 5. Press Esc twice to return to the Configuration/Setup Utility program menu. 6. Select Save Settings from the Configuration/Setup Utility menu: then press Esc and follow the instructions on the screen to exit from the Configuration/Setup Utility program. Using Enhanced Security Enhanced Security can be enabled or disabled only when you update system programs. If Enhanced Security is enabled and you have not set an administrator password, your computer will operate as if enhanced security is disabled. If Enhanced Security is enabled and you have set an administrator password, your computer will operate as follows: The contents of the security EEPROM (your administrator password and startup sequence) will be protected from failure of the battery and CMOS memory. The security EEPROM will be protected from unauthorized access because it locks after your computer is turned on and the system programs have completed their startup routine. Once it is locked, the security EEPROM cannot be read from or written to by any software application or system software until the computer is turned off and back on again. In a networking environment, this might prevent certain functions from being performed remotely on your computer. Enhanced Security adds a hard lock for an extra measure of protection for the system programs in your computer. Normally, the entire contents of the system programs EEPROM is write protected with a soft lock. A soft lock enables the Remote Administration program to function in a network environment. With a hard lock, when your computer is turned on and the system programs startup routine is completed, Remote Administration is locked and cannot be unlocked until the computer is turned off and back on again and the administrator password is entered. Note that, in a networking environment, this prevents the system programs in your computer from being updated remotely. Someone must be present at your computer to turn it on and off and enter the administrator password. 46 PC 300PL User Guide

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2.
From the Configuration/Setup Utility program menu, select
System
Security
and press Enter.
3.
Select
Security Profile by Device
and press Enter.
4.
Select the desired devices and settings and press Enter.
5.
Press Esc twice to return to the Configuration/Setup Utility program
menu.
6.
Select
Save Settings
from the Configuration/Setup Utility menu: then
press Esc and follow the instructions on the screen to exit from the
Configuration/Setup Utility program.
Using Enhanced Security
Enhanced Security can be enabled or disabled only when you update
system programs.
If Enhanced Security is enabled and you have not set an administrator
password, your computer will operate as if enhanced security is disabled.
If Enhanced Security is enabled and you have set an administrator
password, your computer will operate as follows:
±
The contents of the security EEPROM (your administrator password
and startup sequence) will be protected from failure of the battery and
CMOS memory.
±
The security EEPROM will be protected from unauthorized access
because it locks after your computer is turned on and the system
programs have completed their startup routine.
Once it is locked, the
security EEPROM cannot be read from or written to by any software
application or system software until the computer is turned off and
back on again.
In a networking environment, this might prevent
certain functions from being performed remotely on your computer.
Enhanced Security adds a
hard lock
for an extra measure of protection
for the system programs in your computer.
Normally, the entire
contents of the system programs EEPROM is write protected with a
soft
lock
.
A soft lock enables the Remote Administration program to
function in a network environment.
With a hard lock, when your
computer is turned on and the system programs startup routine is
completed, Remote Administration is locked and cannot be unlocked
until the computer is turned off and back on again and the
administrator password is entered.
Note that, in a networking
environment, this prevents the system programs in your computer from
being updated remotely.
Someone must be present at your computer
to turn it on and off and enter the administrator password.
46
PC 300PL User Guide