Hot-Swap Option Installation - IBM xSeries 380 Hardware Maintenance Manual

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Hot-swap option installation

Hot Swap Controller (HSC)
The Hot Swap Controller (HSC) resides on the T-docking board. The primary
functions of the HSC are as follows:
Implements the SAF-TE command set
Controls the fault lights
Provides a path for management information through the SCSI
Retrieves drive fault status, backplane temperature, and fan failure information
through IPMB
Queries the status of the power distribution board by retrieving information from
the BMC through the IPMB
Controls drive power-on and power-down, facilitating hot-swapping.
Chassis Bridge Controller (CBC)
The CBC Controller resides on the Legacy I/O board. It serves as a bridge between the
internal Intelligent Platform Management Bus (IPMB) and the external Intelligent
Chassis Management Bus (ICMB). The internal IPMB transports server management
information within a system, and the external ICMB transports server management
information between various chassis in a cluster configuration that can contain
multiple servers and peripherals.
This section contains the information necessary to install, remove, and replace the hot-
swap options in your server. The options in the following list are the only options
which you can install, remove, or replace. A qualified technician must service all
other options.
Statement 14
CAUTION:
Hazardous voltage, current, and energy levels might be present. Only a qualified
service technician is authorized to remove the covers where the following label is
attached.
User replaceable options are:
172 mm Fan
120 mm Fan
Hard Disk Drive
Power Supply
PCI Adapters
143
Installing components

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