HP Integrity rx6600 User's & Service Manual page 153

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)
Console device
Power cords
Modems/UPS
DVD and 2.5 HDDs (SAS or SATA)
Cooling fans (4-6)
The following is a list of all the internal CRUs (iCRUs) in the server:
I/O board assembly
1
Core I/O board
Core LAN HBA
SAS Disk HBA
CPU board and CPUs
Disk BP board (1 and 2)
1. Has an associated diagnostic LEDs, which indicates device fault or failure.
1
1
1
Supported Configurations 153