1 Boot block recovery jumper (J42)
2 Switch block (SW2)
To clear CMOS and reset the passwords, complete the following steps:
1. Read the safety information that begins on page v and “Installation guidelines”
on page 29.
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 Lenovo 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.
86 ThinkServer RD120 Types 6444, 6445, 6446, and 6447: User Guide
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