Adding A Cpu Module; Conditions For Adding Components; Number Of Mounted Cpu Modules; Conditions Concerning Mixing Different Types Of Cpu Module - Cisco C880 M4 Service Manual

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2 Adding a CPU Module

This chapter describes the procedure for adding a CPU module.
In this chapter, SB represents a System Board.
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2.1 Conditions for Adding Components

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2.1.1 Number of mounted CPU modules

- CPUs should be mounted CPU#0 and CPU#1. See Appendix C.3, "CPU (APP0303000)".
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2.1.2 Conditions concerning mixing different types of CPU module

- CPU modules mounted in the same model name.
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2.1.3 Main unit status

- Table 2.1.3 lists whether an SB addition can be added in each main unit status.
Main unit status
- AC power to the main unit is off
(Cold maintenance (AC power off))
- AC power to the main unit is on
- System Powered Off
(Cold maintenance (standby))
- AC power to the main unit is on
- System Powered On
(Hot maintenance)
Table 2.1.3
Work possible?
Yes
Yes
No
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