HF2 is the generic term for a class of errors that are caused by a communication failure between the NION processor and CobraNet CM-1 module. This type of error may appear as one of the following in a NION error log:
cm1 not detected : /dev/pion/cm10: timeout waiting for HF2 to go high
peek aborted after 5 tries: /dev/pion/cm10: timeout waiting for HF2 to go high
poke/peek driver exception : /dev/pion/cm10: timeout waiting for HF2 to go high
A hardware handshake line between the NION and CM-1 has failed to operate correctly, i.e. the CM-1 has become unresponsive.
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See also Cannot access NION using IP address or IP address is unknown |