IBM 7979B1U User Manual page 108

Boot block
recovery jumper
(J42)
Switch block
(SW2)
To clear CMOS and reset the power-on password, complete the following steps:
92
System x3650 Type 7979: User's Guide
Pin 1
1. Read the safety information that begins on page vii and "Installation guidelines"
on page 28.
2. Turn off the server and peripheral devices and disconnect all power cords and
external cables.
Attention: In a dc power environment, only trained service personnel other
than IBM service technicians are authorized to connect or disconnect power to
the dc power supply and to install and remove a dc power supply. See the
documentation that comes with each dc power supply.
3. Remove the server from the rack and place it on a flat, static-protective
surface.
4. Remove the cover. See "Removing the cover" on page 31 for instructions.
5. Move the clear-CMOS switch (switch 1 on SW2) to the On position.
6. Install the cover and connect the server to a keyboard, monitor, and mouse;
then, connect the server to a power source.
Attention: In a dc power environment, only trained service personnel other
than IBM service technicians are authorized to connect or disconnect power to
the dc power supply and to install and remove a dc power supply. See the
documentation that comes with each dc power supply.
7. Turn on the server. You can now start the Configuration/Setup Utility program
and either delete the old power-on password or set a new power-on password.
SAS controller jumper
Reserved (J89)