Cisco UCS C200 Installation And Service Manual page 41

Chapter 2 Installing the Server
S e n d d o c u m e n t c o m m e n t s t o u c s - d o c f e e d b a c k @ c i s c o . c o m
Clearing the BIOS Admin Password Using Jumper J1E4
This procedure describes how to clear the BIOS admin password for the BIOS back to the default in case
the user-selected password is lost of forgotten.
Step 1 Power off the server as described in the
page
Step 2 Disconnect all power cords from the power supplies.
Step 3 Slide the server out the front of the rack far enough so that you can remove the top cover. You might have
to detach cables from the rear panel to provide clearance.
Caution
Remove the top cover as described in the
Step 4
page
Move the shorting jumper to pins 2 and 3 of the J1E4 header (see
Step 5
Reinstall the top cover and reconnect AC power cords to the server. The server powers up to standby
Step 6
power mode, indicated when the Power LED on the front panel is amber.
Return the server to main power mode by pressing the Power button on the front panel. The server is in
Step 7
main power mode when the Power LED is green.
Note
Press the Power button to shut down the server to standby power mode, and then remove AC power cords
Step 8
from the server to remove all power.
Remove the top cover from the server.
Step 9
Remove the shorting jumper from the header pins.
Step 10
Note
Replace top cover, replace the server in the rack, replace power cords and any other cables, then power
Step 11
on the server by pressing the Power button.
OL-20732-02
3-6.
If you cannot safely view and access the component, remove the server from the rack.
3-8.
You must allow the entire server to reboot to main power mode to complete the password reset.
This is because the state of the jumper cannot be determined without the host CPU running. The
password is then cleared.
If you do not remove the jumper, the password is cleared every time that you power-cycle the
server.
Configuring BIOS Settings and Updating BIOS Firmware
"Shutting Down and Powering Off the Server" section on
"Removing and Replacing the Server Top Cover" section on
Figure 2-5 on page
Cisco UCS C200 Server Installation and Service Guide
2-20).
2-23