Figure 52 Server System with PCI/PCI-X/PCIe I/O Backplane Block Diagram
There are two types of CRUs in the server:
•
Externally accessible CRUs (eCRUs)
•
Internally accessible CRUs (iCRUs)
In the following two lists, asterisks identify those CRUs identifiable by Diagnostic Panel LEDs when
they are faulty or have failed.
The following is a list of all external CRUs (eCRUs) in the server:
•
Bulk power supply (1 and 2)
1
•
Console device
•
Power cords
•
Modems/UPS
•
DVD and 2.5 HDDs (SAS or SATA)
1
•
Cooling fans (4-6)
The following is a list of all the internal CRUs (iCRUs) in the server:
•
I/O board assembly
•
Core I/O board
1
•
Core LAN HBA
•
SAS Disk HBA
•
CPU board and CPUs
1
•
Disk BP board (1 and 2)
1. Has an associated diagnostic LEDs, which indicates device fault or failure.
Supported Configurations
153