Sun Microsystems Sun Quad User Manual

Page 55

Appendix D

Running Diagnostics Tests

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

■

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

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