IBM System x3550 M3 Type 4254 Installation And User Manual page 132

Figure 92. System-board switches and jumpers
118
IBM System x3550 M3 Type 4254 and 7944: Installation and User's Guide
uEFI boot recovery
jumper (J29)
SW4 switch block
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 v. 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.
While the server is turned off, move switch 1 of the switch block (SW4) to the
On position to enable the power-on password override. You can then start the
Setup utility and reset the power-on password. You do not have to return the
switch to the previous position.
The power-on password override switch does not affect the administrator
password.
IMM recovery
jumper (J147)
SW3 switch block