6.Type the following to run the selftest using the test command on one of the adapters four Ethernet channels:
ok test <device path>
The following tests are run when the test command is executed:
■hme register
■MAC internal loopback
■External loopback
■100 Mbps PHY loopback
■10 Mbps PHY loopback
If the test passes, you will see these messages:
Hme register test
Transceiver check
If the channel is not connected to a network, you will see the following error messages:
Hme register test
Transceiver check
Check Cable or contact system administrator Failed
selftest failed. return code =
Note
7.After testing the adapter, type the following to return the OpenBoot PROM to standard operating mode:
ok setenv diag-switch? false
Appendix D Running Diagnostics Tests 41