Midplane assembly replacement  71 
 
Step  Midplane assembly replacement action and verification 
Caution 
Request authorization to power down the enclosure. 
Do not continue to the next step until you receive proper authorization. 
 
Guidelines 
  To be sure that each device is reinstalled in 
the original location, note the location of 
each device. Installing devices in different locations can create cooling errors (fans) or 
location errors. 
  Keep cables attached to all rear modules. If you cannot keep the cables attached, then 
note cable locations to be sure the module is cabled correctly when the module is 
reinstalled. 
 
Step 1 
Action 
Contact an authorized service provider to perform the following steps: 
1  Power down all server blades. 
2  Disconnect power from the enclosure. 
3  Remove all devices from all device bays. Be sure to note the location for each device.
4  Remove all interconnect modules. 
5  Remove all fans. 
6  Remove all Onboard Administrators from the enclosure. 
7  Remove the OA tray. 
8  Remove the rear cage. 
9  Remove the midplane assembly. 
10  Install a service spare midplane assembly. 
11  Install the rear cage. 
 
Step 2 
Action 
1  Install following components in their original locations in the enclosure: 
-Power supplies 
-Fans 
-Onboard Administrator 
-OA tray 
2  Power up the enclosure. 
 
 
Verification 
When the Insight Display indicates that the Onboard Administrator has completed all 
power-on tests, continue to the next step. 
 
Step 3 
Action 
Update the PID and serial numbers (unnecessary if OA firmware is 3.20 or above): 
1  Locate the enclosure label on the front left mounting tab. 
2  Record the enclosure PID and serial number. 
3  Log in to OA CLI using the Administrator account. 
4  Update the enclosure part number using the following OA CLI command. In place of X, 
enter the PID number. 
set enclosure part_number X 
5  Update the enc
losure serial number using the following OA CLI command. In place of 
X, enter the serial number. 
set enclosure serial_number X 
 
 
Verification 
If troubleshooting the HP BladeSystem c3000 Enclosure, then continue to step 5. 
If troubleshooting the HP BladeSystem c7000 Enclosure, then continue to the next step.