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Annotation of coherent/f/usr/man/KERNEL/tn, revision 1.1

1.1     ! root        1: ttnn -- Device Driver
        !             2: 
        !             3: 
        !             4: /ddeevv/ttnn* provides  access to an  ARCNET local area  network via a  Tiac 236
        !             5: card,  Tiac 238  card or  equivalent (e.g., Pure  Data ARCNET  card).  Each
        !             6: entry  is  assigned major  device  number  20, and  may  be  accessed as  a
        !             7: character-special device.
        !             8: 
        !             9: The ttnn driver supports up to four ARCNET cards in a single computer.  Minor
        !            10: devices 0, 1, 2, and 3 refer to each card.  For a card to work properly, it
        !            11: must  have a  unique interrupt,  64-kilobyte memory  bank, and  port number
        !            12: assigned to it.  The driver must  also be configured to the same interrupt,
        !            13: memory bank, and port number.  You can use the command /ccoonnff/ppaattcchh to build
        !            14: a properly configured version of the kernel; see the Lexicon article hhss for
        !            15: sample  commands.   If  loadable  device  drivers  are  used  they  may  be
        !            16: configured in the identical fashion.
        !            17: 
        !            18: For an interface  to be accessible from the COHERENT  system, a device file
        !            19: must  be present  in directory  /ddeevv with the  appropriate type,  major and
        !            20: minor device  numbers, and permissions.   You can use the  command mmkknnoodd to
        !            21: creates a special file for a device, as follows:
        !            22: 
        !            23: /eettcc/mmkknnoodd /ddeevv/ttnn00  cc 2200   00
        !            24: /eettcc/mmkknnoodd /ddeevv/ttnn11  cc 2200   11
        !            25: 
        !            26: It is  usual to have a  generic LAN interface /ddeevv/ttnn.   This is associated
        !            27: with a particular LAN card by the following command:
        !            28: 
        !            29: /bbiinn/llnn -ff /ddeevv/ttnn00  /ddeevv/ttnn
        !            30: 
        !            31: This device  driver provides  a raw interface  to the LAN.   To communicate
        !            32: with other computers  on the network, it is normally  necessary to add some
        !            33: higher level protocol (e.g., XNS or TCP/IP).
        !            34: 
        !            35: _F_i_l_e_s
        !            36: /ddeevv/ttnn* -- LAN network access special file
        !            37: /ddeevv/ttnn -- Default LAN
        !            38: 
        !            39: _S_e_e _A_l_s_o
        !            40: ddeevviiccee ddrriivveerrss, llnn, mmkknnoodd
        !            41: 
        !            42: _N_o_t_e_s
        !            43: As  delivered, the  LAN driver  supports  one card  with interrupt  2, port
        !            44: 0x2E0, and bank 0xD000.

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