Sun Microsystems Sun Quad, User Manual

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Appendix D Running Diagnostics Tests 41
6. Type the following to run the selftest using the
test
command on one of the
adapters four Ethernet channels:
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:
If the channel is not connected to a network, you will see the following error
messages:
Note – To test other channels of the adapter, you will need to execute the
test
command separately on each channel.
7. After testing the adapter, type the following to return the OpenBoot PROM to
standard operating mode:
ok test
<device path>
Hme register test --- succeeded.
Internal loopback test -- succeeded
Transceiver check -- Using onboard transceiver -- Link up
passed
Hme register test --- succeeded.
Internal loopback test -- succeeded
Transceiver check -- Using onboard transceiver -- Link down
Autonegotiation timeout
Check Cable or contact system administrator
Failed
selftest failed. return code = -1
ok setenv diag-switch? false