IBM X3850 X6, Инструкция по установке и обслуживанию

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to set, change, and delete the power-on password. A user who types the power-on
password has access to only the limited Setup utility menu; the user can set,
change, and delete the power-on password, if the system administrator has given
the user that authority.
Power-on password:
This topic provides information about setting a power-on password using the
server Setup utility.
If a power-on password is set, when you turn on the server, the system startup
will not be completed until you type the power-on password. You can use any
combination of 6 to 20 printable ASCII characters for the password.
When a power-on password is set, you can enable the Unattended Start mode, in
which the keyboard and mouse remain locked but the operating system can start.
You can unlock the keyboard and mouse by typing the power-on password.
If you forget the power-on password, you can regain access to the server in any of
the following ways:
v
If an administrator password is set, type the administrator password at the
password prompt. Start the Setup utility and reset the power-on password.
v Remove the battery from the server, wait 30 seconds, and then reinstall it.
v
Change the position of the power-on password switch to 1 on the SW1 switch
block to bypass the power-on password check.
NMI
button
SW1
switch
block
SW2
switch
block
(reserved)
IMM security
jumper (J35)
1
2
3
4
5
6
7
8
OFF
ON
1
2
3
Attention: Before you change any switch settings or move any jumpers, turn
off the server; then, disconnect all power cords and external cables. See the
safety information that begins on page “Safety” on page vii. Do not change
settings or move jumpers on any system-board switch or jumper blocks that are
not shown in this document.
The default for all of the switches on switch block SW1 is Off.
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System x3850 X6 and x3950 X6 Types 3837 and 3839: Installation and Service Guide