IBM 9114-275 Installation Guide - Page 73

Service Processor Assembly, Removing the Service Processor Assembly

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Service Processor Assembly Before performing the following procedure, read "Safety Notices" on page vii. Removing the Service Processor Assembly 1. Shut down the system as described in "Stopping the System" on page 25. 2. Place the system into the service position as described in "Placing the Model 275 into the Service and Operating Position" on page 26. 3. Write down the information displayed on the operator panel. 4. Disconnect the power source from the system. Note: This system may be equipped with a second power supply. Before continuing with this procedure, ensure that the power source to the system has been completely disconnected. 5. Label and disconnect all cables connected to the service processor assembly. 6. Remove the service access cover as described in "Service Access Cover Removal" on page 28. 7. Before handling any card, board, or memory DIMM, be sure to use your electrostatic discharge strap to minimize static-electric discharge. Refer to "Handling Static-Sensitive Devices" on page 24. 8. Locate the service processor assembly as shown in the following illustration. 9. Unlock the two camming latches on top of the service processor assembly. 10. Release the service processor assembly by pressing the camming latches and rotating outward. 11. Lift the assembly out of the chassis. 12. Put the service processor assembly in a safe place. 1 Model 275 2 Service Processor Assembly 3 Camming Latch 4 Service Access Cover Replacing the Service Processor Assembly 1. Before handling any card, board, or memory DIMM, be sure to use your electrostatic discharge strap to minimize static-electric discharge. Refer to "Handling Static-Sensitive Devices" on page 24. 2. Unlock the two camming latches on the top of the service processor assembly and rotate them into the open position. 3. Align the service processor assembly with the slots in the system chassis. 4. While holding the service processor assembly by the camming latches, lower it into place. Note: Ensure that the two alignment pins on the top flange of the service processor align with the corresponding holes in the rear bulkhead as the service processor is pressed into place. Chapter 3. Installing Options 57

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Service Processor Assembly
Before performing the following procedure, read “Safety Notices” on page vii.
Removing the Service Processor Assembly
1.
Shut down the system as described in “Stopping the System” on page 25.
2.
Place the system into the service position as described in “Placing the Model 275 into the Service
and Operating Position” on page 26.
3.
Write down the information displayed on the operator panel.
4.
Disconnect the power source from the system.
Note:
This system may be equipped with a second power supply. Before continuing with this
procedure, ensure that the power source to the system has been completely disconnected.
5.
Label and disconnect all cables connected to the service processor assembly.
6.
Remove the service access cover as described in “Service Access Cover Removal” on page 28.
7.
Before handling any card, board, or memory DIMM, be sure to use your electrostatic discharge strap
to minimize static-electric discharge. Refer to “Handling Static-Sensitive Devices” on page 24.
8.
Locate the service processor assembly as shown in the following illustration.
9.
Unlock the two camming latches on top of the service processor assembly.
10.
Release the service processor assembly by pressing the camming latches and rotating outward.
11.
Lift the assembly out of the chassis.
12.
Put the service processor assembly in a safe place.
1
Model 275
3
Camming Latch
2
Service Processor Assembly
4
Service Access Cover
Replacing the Service Processor Assembly
1.
Before handling any card, board, or memory DIMM, be sure to use your electrostatic discharge strap
to minimize static-electric discharge. Refer to “Handling Static-Sensitive Devices” on page 24.
2.
Unlock the two camming latches on the top of the service processor assembly and rotate them into
the open position.
3.
Align the service processor assembly with the slots in the system chassis.
4.
While holding the service processor assembly by the camming latches, lower it into place.
Note:
Ensure that the two alignment pins on the top flange of the service processor align with the
corresponding holes in the rear bulkhead as the service processor is pressed into place.
Chapter 3. Installing Options
57