IBM 300 Series 6268, Руководство по техническому обслуживанию аппаратной части

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Power-on password:
A power-on password denies
access to the computer by an unauthorized user when the
computer is powered on. When a power-on password is
active, the password prompt appears on the screen each
time the computer is powered on. The computer starts
after the proper password is entered.
Removing a power-on password
To service a computer with an active and unknown
power-on password, power-off the computer and do the
following:
Attention
If Enhanced Security is not enabled, this procedure
will remove the administrator password, all setup and
boot sequence settings and privilege access. Make
sure these settings are recorded before you perform
this procedure.
If Enhanced Security is enabled, Only Enhanced
Security functions like boot sequence and privilege
access will not be changed. Other settings will be
cleared
1. Unplug the power cord and remove the top cover.
2. Refer to “System board layout” on page 271 to find
the CMOS switch.
3. Move the CMOS switch to the on position.
4. Power-on the computer. The system senses the
change in the position and erases the password.
Ÿ
It is necessary to move the CMOS switch to the
off position.
5. Remind the user to enter a new password when
service is complete.
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