Determining the Device Names of the I/O+ Boards
To enable or disable the link test for an onboard TPE (hme) port, you must first know the device name for the I/O+ board. To list the device names:
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Shut down the system and take the system into OpenBoot.
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Determine the device names of the I/O+ boards:
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Type:
ok show-devs
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In the show-devs listing, find the node names.
Node names take the general form /sbus@3,0/SUNW,hme@3,8c00000.