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netdiag



SYNOPSIS

       nicname-diag [options]


DESCRIPTION

       This  manual page documents briefly the ethernet-diag net­
       work adapter setup and diagnostic commands.  Addition doc­
       umentation           is           available           from
       http://scyld.com/diag/index.html.

       netdiag is a set of hardware diagnostic and setup programs
       for network adapters, primarily Ethernet and Ethernet-like
       adapters.


OPTIONS

       netdiag programs need a single dash (´-´) in front of  the
       option.   For options without parameters, multiple options
       may be concatenated after a single  dash.   A  summary  of
       options is as follows.

       -# N   Describe  or  perform  operations  only the the Nth
              adapter found.

       -a     Show all chip registers.  If the adapter is active,
              this  option  may need to be combined with the '-f'
              option.

       -B     Show the contents of the Flash boot ROM.

       -D     Increase the debugging level.  This may be used  to
              understand   why  the  diagnostic  program  is  not
              detecting an adapter.

       -e     Show the EEPROM  contents.   Doubling  or  tripling
              this option,  "-ee", shows additional details.

       -E     Do  an  Emergency rewrite of a completely corrupted
              EEPROM.  This option is not  implemented  for  many
              adapter  types, and the internal table be incorrect
              for the  specific  adapter  version.   This  option
              should never be used without reading the diagnostic
              source code and understanding the implications.

       -f     Force operations.  This option causes the  diagnos­
              tic  program to proceed even if it detects that the
              adapter is currently active.

              Provide a new station ("Hardware") address for  the
              adapter.

       -L loadfile
                Write  the  Flash  boot  ROM with the contents of
              LOADFILE.

       -m     Show MII registers.  With many diagnostic  programs
              "-mm"  shows  additional  details  or polls the MII
              registers for  one  minute,  reporting  any  status
              changes.

       -p I/O-port
              Specify  the  I/O  port  at  which to find a single
              card.  This option is primarily for ISA and CardBus
              adapters,  but  may be useful when a PCI adapter is
              not recognized.  This option is usually used with

       -q     Quiet mode.  But diagnostic program tend to be ver­
              bose anyway.

       -S savefile
              Save the Flash boot ROM contents into SAVEFILE.

       -t type-index
              Specify  the  chip type when it cannot be detected.
              Using an invalid index e.g. '-1' will cause a  list
              of chip types to be emitted. This option is usually
              used with '-p port-base'.

       -T     Run a functionality test appropriate to  the  chip,
              typically a memory or loopback test.

       -v     Increase  the  verbosity  level.   Additional  "-v"
              options increase the level further.

       -V     Show the program version information.

       -w     Write the EEPROM with the specified updated values.
              Without  this option the program will merely report
              what it would write.

       even  when the adapters are physically capable of updating
       the EEPROM.  The adapter must permit  Flash  updates  from
       its  regular  address  space,  rather  than require access
       through the PCI Boot Rom address space.   Linux  does  not
       allow  user-level  programs  to  memory  map  the Boot ROM
       space.


AUTHOR

       This manual page was written  by  Donald  Becker  for  the
       Scyld(tm) Beowulf System.

Scyld Beowulf             July 16, 2002                NETDIAG(8)
  

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