Using The Boot Alternate Cisco Imc Image Header (J39, Pins 1 - 2); Using The Reset Cisco Imc Password To Default Header (J39, Pins 3 - 4) - Cisco UCS C220 M5 Maintaining

Using the Boot Alternate Cisco IMC Image Header (J39, Pins 1 - 2)

Step 10
Remove the jumper that you installed.
Note If you do not remove the jumper, the password is cleared every time you power-cycle the server.
Step 11
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 Boot Alternate Cisco IMC Image Header (J39, Pins 1 - 2)
You can use this Cisco IMC debug header to force the system to boot from an alternate Cisco IMC image.
Step 1 Shut down and remove power from the server as described in
on page 7. Disconnect power cords 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.
Caution If you cannot safely view and access the component, remove the server from the rack.
Step 3
Remove the top cover from the server as described in
Step 4 Locate header block J39, pins 1-2, as shown in
Step 5
Install a two-pin jumper across J39 pins 1 and 2.
Step 6 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 7 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 When you next log in to Cisco IMC, you see a message similar to the following:
'Boot from alternate image' debug functionality is enabled.
CIMC will boot from alternate image on next reboot or input power cycle.
Step 8 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 9 Remove the top cover from the server.
Step 10
Remove the jumper that you installed.
Note If you do not remove the jumper, the server will boot from an alternate Cisco IMC image every time that you
power cycle the server or reboot Cisco IMC.
Step 11 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 Reset Cisco IMC Password to Default Header (J39, Pins 3 - 4)

You can use this Cisco IMC debug header to force the Cisco IMC password back to the default.
Maintaining the Server
84
Shutting Down and Removing Power From the Server,
Removing the Server Top Cover, on page
Service Headers and Jumpers, on page
Maintaining the Server
9.
79.