
The OneCommand Manager User Manual Page 174
Test results and the status of running tests are time stamped and appear in the Test Log area.
Figure 105: Diagnostic Test Setup
Running Loopback Tests
To run a loopback test, use the Loopback Test section of the Advanced Diagnostics dialog box.
Loopback Test Combinations
Run the following loopback test combinations using the appropriate checkboxes:
• PCI Loopback Test - A firmware controlled diagnostic test in which a random data pattern is
routed through the PCI Bus without being sent to an adapter link port. The returned data is
subsequently validated for integrity.
• Internal Loopback Test - A diagnostic test in which a random data pattern is sent down to an
adapter link port, then is immediately returned without actually going out on the port. The
returned data is subsequently validated for integrity.
• External Loopback Test - A diagnostic test in which a random data pattern is sent down to an
adapter link port. The data goes out the port and immediately returns via a loopback connector.
The returned data is subsequently validated for integrity.
Note: You cannot run the External Loopback test and ECHO test concurrently. If you select
External Loopback the ECHO test section is disabled and vice versa.
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