Using The Clear Password Header (J38, Pins 13 - 14) - Cisco UCS C240 M5 Installation And Service Manual

Using the Clear Password Header (J38, Pins 13 - 14)

Step 5
Remove the top cover from the server as described in
Step 6 Install a two-pin jumper across J38 pins 11 and 12.
Step 7 Reconnect AC power cords to the server. The server powers up to standby power mode.
Step 8 Insert the USB thumb drive that you prepared in Step 2 into a USB port on the server.
Step 9
Return the server to main power mode by pressing the Power button on the front panel.
The server boots with the updated BIOS boot block. When the BIOS detects a valid recovery.cap file on the USB drive,
it displays this message:
Found a valid recovery file...Transferring to Cisco IMC
System would flash the BIOS image now...
System would restart with recovered image after a few seconds...
Step 10 Wait for server to complete the BIOS update, and then remove the USB drive from the server.
During the BIOS update, Cisco IMC shuts down the server and the screen goes blank for about 10 minutes. Do
Note
not unplug the power cords during this update. Cisco IMC powers on the server after the update is complete.
Step 11 After the server has fully booted, power off the server again and disconnect all power cords.
Step 12 Remove the jumper that you installed.
Note If you do not remove the jumper, after recovery completion you see the prompt, "Please remove the recovery
jumper."
Step 13 Replace the top cover, replace the server in the rack, replace power cords and any other cables, and then power on the
server by pressing the Power button.
Using the Clear Password Header (J38, Pins 13 - 14)
You can use this switch to clear the administrator password.
Step 1
Shut down and remove power from the server as described in
on page 39. Disconnect power dords from all power supplies.
Step 2 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.
If you cannot safely view and access the component, remove the server from the
Caution
rack.
Step 3 Remove the top cover from the server as described in
Step 4 Install a two-pin jumper across J38 pins 13 and 14.
Step 5 Reinstall the top cover and reconnect AC power cords to the server. The server powers up to standby power mode,
indicated when the Power LED on the front panel is amber.
Step 6 Return the server to main power mode by pressing the Power button on the front panel. The server is in main power
mode when the Power LED is green.
Note You must allow the entire server to reboot to main power mode to complete the reset. The state of the jumper
cannot be determined without the host CPU running.
Step 7 Press the Power button to shut down the server to standby power mode, and then remove AC power cords from the server
to remove all power.
Step 8 Remove the top cover from the server.
Step 9 Remove the jumper that you installed.
Cisco UCS C240 M5 Server Installation and Service Guide
116
Removing the Server Top Cover, on page
Shutting Down and Removing Power From the Server,
Removing the Server Top Cover, on page
Maintaining the Server
41.
41.