hy man page on Ultrix

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hy(4)				  Unsupported				 hy(4)

Name
       hy - Network Systems Hyperchannel interface

Syntax
       device hy0 at uba0 csr 0172410 vector hyint

Description
       The  interface  provides access to a Network Systems Corporation HyperÔÇÉ
       channel Adapter.

       The network to which the interface is attached  is  specified  at  boot
       time  with  an  SIOCSIFADDR ioctl.  The host's address is discovered by
       reading the adapter status register.  The interface will	 not  transmit
       or receive packets until the network number is known.

Restrictions
       If  the	adapter	 does  not respond to the status command issued during
       autoconfigure, the adapter is assumed down.  A reboot  is  required  to
       recognize it.

Diagnostics
       hy%d: unit number 0x%x port %d type %x microcode level 0x%x.
       Identifies the device during autoconfiguration.

       hy%d: can't handle af%d.
       The  interface  was  handed  a  message	with addresses formatted in an
       unsuitable address family; the packet was dropped.

       hy%d: can't initialize.
       The interface was unable to allocate UNIBUS resources. This is  usually
       due  to	having	too  many network devices on an 11/750 where there are
       only 3 buffered data paths.

       hy%d: NEX - Non Existent Memory.
       Non existent memory error returned from hardware.

       hy%d:  BAR overflow.
       Bus address register overflow error returned from hardware.

       hy%d: Power Off bit set, trying to reset.
       Adapter has lost power, driver will reset the bit and see if  power  is
       still out in the adapter.

       hy%d: Power Off Error, network shutdown.
       Power  was  really off in the adapter, network connections are dropped.
       Software does not shut down the network unless power has been off for a
       while.

       hy%d: RECVD MP > MPSIZE (%d).
       A  message proper was received that is too big.	Probable a driver bug.
       Shouldn't happen.

       hy%d: xmit error - len > hy_olen [%d > %d].
       Probable driver error.  Shouldn't happen.

       hy%d: DRIVER BUG - INVALID STATE %d.
       The driver state machine reached a non-existent state.  Definite driver
       bug.

       hy%d: watchdog timer expired.
       A  command  in the adapter has taken too long to complete.  Driver will
       abort and retry the command.

       hy%d: adapter power restored.
       Software was able to reset the power off bit, indicating that the power
       has been restored.

See Also
       intro(4n), inet(4f)

				      VAX				 hy(4)
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