(TXT) View Source
       
       # CNET TECHNOLOGY, INC.
       
          CN2000T REV. A
       
          NIC Type         Token-Ring                                    
          Transfer Rate    4/16Mbps                                      
          Data Bus         16-bit ISA                                    
          Topology         Ring                                          
          Wiring Type      Shielded twisted pair (AUI port)              
                                                                         
                           Unshielded twisted pair (RJ-45 jack)          
          Boot ROM         Available                                     
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                 BASE MEMORY ADDRESS SELECT                 |
          |------------------------------------------------------------|
          |    ROM     | SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 |
          |  Address   |       |       |       |       |       |       |
          |------------+-------+-------+-------+-------+-------+-------|
          | » | C0000H |  On   |  Off  |  Off  |  Off  |  Off  |  Off  |
          |   |   -    |       |       |       |       |       |       |
          |   | C1FFFh |       |       |       |       |       |       |
          |---+--------+-------+-------+-------+-------+-------+-------|
          |   | C2000H |  On   |  Off  |  Off  |  Off  |  Off  |  On   |
          |   |   -    |       |       |       |       |       |       |
          |   | C3FFFh |       |       |       |       |       |       |
          |---+--------+-------+-------+-------+-------+-------+-------|
          |   | C4000H |  On   |  Off  |  Off  |  Off  |  On   |  Off  |
          |   |   -    |       |       |       |       |       |       |
          |   | C5FFFh |       |       |       |       |       |       |
          |---+--------+-------+-------+-------+-------+-------+-------|
          |   | C6000H |  On   |  Off  |  Off  |  Off  |  On   |  On   |
          |   |   -    |       |       |       |       |       |       |
          |   | C7FFFh |       |       |       |       |       |       |
          |---+--------+-------+-------+-------+-------+-------+-------|
          |   | C8000H |  On   |  Off  |  Off  |  On   |  Off  |  Off  |
          |   |   -    |       |       |       |       |       |       |
          |   | C9FFFh |       |       |       |       |       |       |
          |---+--------+-------+-------+-------+-------+-------+-------|
          |   | CA000H |  On   |  Off  |  Off  |  On   |  Off  |  On   |
          |   |   -    |       |       |       |       |       |       |
          |   | CBFFFh |       |       |       |       |       |       |
          |---+--------+-------+-------+-------+-------+-------+-------|
          |   | CC000H |  On   |  Off  |  Off  |  On   |  On   |  Off  |
          |   |   -    |       |       |       |       |       |       |
          |   | CDFFFh |       |       |       |       |       |       |
          |---+--------+-------+-------+-------+-------+-------+-------|
          |   | CE000H |  On   |  Off  |  Off  |  On   |  On   |  On   |
          |   |   -    |       |       |       |       |       |       |
          |   | CFFFFh |       |       |       |       |       |       |
          |---+--------+-------+-------+-------+-------+-------+-------|
          |   | D0000H |  On   |  Off  |  On   |  Off  |  Off  |  Off  |
          |   |   -    |       |       |       |       |       |       |
          |   | D1FFFh |       |       |       |       |       |       |
          |---+--------+-------+-------+-------+-------+-------+-------|
          |   | D2000H |  On   |  Off  |  On   |  Off  |  Off  |  On   |
          |   |   -    |       |       |       |       |       |       |
          |   | D3FFFh |       |       |       |       |       |       |
          |---+--------+-------+-------+-------+-------+-------+-------|
          |   | D4000H |  On   |  Off  |  On   |  Off  |  On   |  Off  |
          |   |   -    |       |       |       |       |       |       |
          |   | D5FFFh |       |       |       |       |       |       |
          |---+--------+-------+-------+-------+-------+-------+-------|
          |   | D6000H |  On   |  Off  |  On   |  Off  |  On   |  On   |
          |   |   -    |       |       |       |       |       |       |
          |   | D7FFFh |       |       |       |       |       |       |
          |---+--------+-------+-------+-------+-------+-------+-------|
          |   | D8000H |  On   |  Off  |  On   |  On   |  Off  |  Off  |
          |   |   -    |       |       |       |       |       |       |
          |   | D9FFFh |       |       |       |       |       |       |
          |---+--------+-------+-------+-------+-------+-------+-------|
          |   | DA000H |  On   |  Off  |  On   |  On   |  Off  |  On   |
          |   |   -    |       |       |       |       |       |       |
          |   | DBFFFh |       |       |       |       |       |       |
          |---+--------+-------+-------+-------+-------+-------+-------|
          |   | DC000H |  On   |  Off  |  On   |  On   |  On   |  Off  |
          |   |   -    |       |       |       |       |       |       |
          |   | CDFFFh |       |       |       |       |       |       |
          |---+--------+-------+-------+-------+-------+-------+-------|
          |   | DE000H |  On   |  Off  |  On   |  On   |  On   |  On   |
          |   |   -    |       |       |       |       |       |       |
          |   | DFFFFh |       |       |       |       |       |       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   PAGE RAM CONFIGURATION                   |
          |------------------------------------------------------------|
          |        Size         |      SW1/9       |      SW1/10       |
          |---------------------+------------------+-------------------|
          | » |      16KB       |       Off        |        On         |
          |---+-----------------+------------------+-------------------|
          |   |       8KB       |       Off        |        Off        |
          |---+-----------------+------------------+-------------------|
          |   |      32KB       |        On        |        Off        |
          |---+-----------------+------------------+-------------------|
          |   |      64KB       |        On        |        On         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         CABLE TYPE                         |
          |------------------------------------------------------------|
          |                   Type                   |       JP3       |
          |------------------------------------------+-----------------|
          | » |   Shielded twisted pair (AUI port)   |      Open       |
          |---+--------------------------------------+-----------------|
          |   | Unshielded twisted pair (RJ-45 jack) |     Closed      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       NETWORK SPEED                        |
          |------------------------------------------------------------|
          |             Speed              |          SW1/11           |
          |--------------------------------+---------------------------|
          | » |           16Mbps           |            On             |
          |---+----------------------------+---------------------------|
          |   |           4Mbps            |            Off            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     I/O ADDRESS SELECT                     |
          |------------------------------------------------------------|
          |              Address              |         SW1/12         |
          |-----------------------------------+------------------------|
          | A20H - A23H (RAM address - D8000) |           On           |
          |-----------------------------------+------------------------|
          | A24H - A27H (RAM address - D4000) |          Off           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      INTERRUPT SELECT                      |
          |------------------------------------------------------------|
          |         IRQ         |       SW1/7       |      SW1/8       |
          |---------------------+-------------------+------------------|
          | » |      IRQ2       |      Closed       |       Open       |
          |---+-----------------+-------------------+------------------|
          |   |      IRQ3       |       Open        |      Closed      |
          |---+-----------------+-------------------+------------------|
          |   |      IRQ6       |       Open        |       Open       |
          |---+-----------------+-------------------+------------------|
          |   |      IRQ7       |       Open        |       Open       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      BIT SIZE SELECT                       |
          |------------------------------------------------------------|
          |          Size          |       JP1       |       JP2       |
          |------------------------+-----------------+-----------------|
          | » |      8- bits       |      Open       |      Open       |
          |---+--------------------+-----------------+-----------------|
          |   |      16- bits      |     Closed      |     Closed      |
          +------------------------------------------------------------+