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                                     

<gopher://bitreich.org/I/th99/n/C-D/40789-1.png>
   

   +------------------------------------------------------------+
   |                 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      |
   +------------------------------------------------------------+