IBM 7947E3U User Manual page 138

v For the Pass 9 level system board, change the position of the power-on
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System x3650 M2 Types 4199 and 7947: Installation and User's Guide
password switch (enable switch 1 of the system board switch block (SW4) to
bypass the power-on password check (see Table 7 on page 33 for more
information). The Pass 9 level system board is identified by P9 on the corner of
the system board near the USB connectors on the rear of the server, as shown
in the following illustration.
SW3 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 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 (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.
UEFI boot recovery jumper
(J29)
IMM recovery jumper
(J147)
SW4 switch block