IBM 7944, Installation And User Manual

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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:
• If an administrator password is set, type the administrator password at the password prompt. Start the
Setup utility and reset the power-on password.
• Remove the battery from the server and then reinstall it.
• Change the position of the power-on password switch (enable switch 1 of the system board switch block
(SW4) to bypass the power-on password check (see Table 8 “System board SW4 switch block definition”
on page 39 for more information).
SW4 switch block SW3 switch block
uEFI boot recovery
jumper (J29) IMM recovery
jumper (J147)
Figure 92. System-board switches and jumpers
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 “Safety” on page
iii . 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 (SW4) is Off.
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System x3550 M3Installation and User's Guide