CNET TECHNOLOGY, INC.
=====================

   CN600E/680E

   NIC Type         Ethernet                                      
   Transfer Rate    10Mbps                                        
   Data Bus         16-bit ISA                                    
   Topology         Star                                          
   Wiring Type      Unshielded wisted pair                        
                                                                  
                    AUI transceiver via DB-15 port                
   Boot ROM         Available                                     

<gopher://bitreich.org/I/th99/n/C-D/40180-1.png>
   

   +------------------------------------------------------------+
   |                          BOOT ROM                          |
   |------------------------------------------------------------|
   |          Setting           |              JP1              |
   |----------------------------+-------------------------------|
   |>> |        Disabled        |       Pins 1 & 2 Closed       |
   |---+------------------------+-------------------------------|
   |   |        Enabled         |       Pins 2 & 3 Closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         WAIT STATE                         |
   |------------------------------------------------------------|
   |           Setting            |             JP2             |
   |------------------------------+-----------------------------|
   |>> |      0 wait states       |      pins 1 & 2 closed      |
   |---+--------------------------+-----------------------------|
   |   |       1 wait state       |      pins 2 & 3 closed      |
   +------------------------------------------------------------+

+---------------------------------------------------------------------------+
|                             INTERRUPT REQUEST                             |
|---------------------------------------------------------------------------|
| IRQ | JP3A | JP3B | JP3C | JP3D | JP3E | JP3F | JP3G | JP3H | JP3I | JP3J |
|-----+------+------+------+------+------+------+------+------+------+------|
| |2/9|Closed| Open | Open | Open | Open | Open | Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------+------|
|>>| 3 | Open |Closed| Open | Open | Open | Open | Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------+------|
| | 4 | Open | Open |Closed| Open | Open | Open | Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------+------|
| | 5 | Open | Open | Open |Closed| Open | Open | Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------+------|
| | 7 | Open | Open | Open | Open |Closed| Open | Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------+------|
| |10 | Open | Open | Open | Open | Open |Closed| Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------+------|
| |11 | Open | Open | Open | Open | Open | Open |Closed| Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------+------|
| |12 | Open | Open | Open | Open | Open | Open | Open |Closed| Open | Open |
|-+---+------+------+------+------+------+------+------+------+------+------|
| |14 | Open | Open | Open | Open | Open | Open | Open | Open |Closed| Open |
|-+---+------+------+------+------+------+------+------+------+------+------|
| |15 | Open | Open | Open | Open | Open | Open | Open | Open | Open |Closed|
+---------------------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         CABLE TYPE                         |
   |------------------------------------------------------------|
   |               Type                |          JP16          |
   |-----------------------------------+------------------------|
   |>> |    Unshielded twisted pair    |   Pins 2 & 3 Closed    |
   |---+-------------------------------+------------------------|
   |   |   AUI transceiver via DB-15   |   Pins 1 & 2 Closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    LINK INTEGRITY TEST                     |
   |------------------------------------------------------------|
   |           Setting           |             JP31             |
   |-----------------------------+------------------------------|
   |>>        |     Enabled      |      Pins 1 & 2 Closed       |
   |----------+------------------+------------------------------|
   |          |     Disabled     |      Pins 2 & 3 Closed       |
   |------------------------------------------------------------|
   | Note:Link Integrity is only used with 10Base-T wiring.     |
   | When using an AUI transciever, the test should be          |
   | disabled.                                                  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      BOOT ROM ADDRESS                      |
   |------------------------------------------------------------|
   |    Address     |  SW1/1   |  SW1/2   |  SW1/3   |  SW1/4   |
   |----------------+----------+----------+----------+----------|
   |   |   C0000h   |    On    |    On    |    On    |    On    |
   |---+------------+----------+----------+----------+----------|
   |   |   C4000h   |    On    |    On    |    On    |   Off    |
   |---+------------+----------+----------+----------+----------|
   |>> |   C8000h   |    On    |    On    |   Off    |    On    |
   |---+------------+----------+----------+----------+----------|
   |   |   CC000h   |    On    |    On    |   Off    |   Off    |
   |---+------------+----------+----------+----------+----------|
   |   |   D0000h   |    On    |   Off    |    On    |    On    |
   |---+------------+----------+----------+----------+----------|
   |   |   D4000h   |    On    |   Off    |    On    |   Off    |
   |---+------------+----------+----------+----------+----------|
   |   |   D8000h   |    On    |   Off    |   Off    |    On    |
   |---+------------+----------+----------+----------+----------|
   |   |   DC000h   |    On    |   Off    |   Off    |   Off    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      I/O BASE ADDRESS                      |
   |------------------------------------------------------------|
   |    Address     |  SW1/5   |  SW1/6   |  SW1/7   |  SW1/8   |
   |----------------+----------+----------+----------+----------|
   |   |  200-2IFh  |    On    |    On    |    On    |    On    |
   |---+------------+----------+----------+----------+----------|
   |   |  220-23Fh  |    On    |    On    |    On    |   Off    |
   |---+------------+----------+----------+----------+----------|
   |   |  240-25Fh  |    On    |    On    |   Off    |    On    |
   |---+------------+----------+----------+----------+----------|
   |   |  280-29Fh  |    On    |   Off    |    On    |    On    |
   |---+------------+----------+----------+----------+----------|
   |   |  2A0-2BFh  |    On    |   Off    |    On    |   Off    |
   |---+------------+----------+----------+----------+----------|
   |   |  2C0-2DFh  |    On    |   Off    |   Off    |    On    |
   |---+------------+----------+----------+----------+----------|
   |>> |  300-31Fh  |   Off    |    On    |    On    |    On    |
   |---+------------+----------+----------+----------+----------|
   |   |  320-33Fh  |   Off    |    On    |    On    |   Off    |
   |---+------------+----------+----------+----------+----------|
   |   |  340-35Fh  |   Off    |    On    |   Off    |    On    |
   |---+------------+----------+----------+----------+----------|
   |   |  360-37Fh  |   Off    |    On    |   Off    |   Off    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DIAGNOSTIC LED(S)                      |
   |------------------------------------------------------------|
   |  LED   | Color  |  Status  |           Condition           |
   |--------+--------+----------+-------------------------------|
   |  LED1  |  Red   | Blinking |    Data is being received     |
   |--------+--------+----------+-------------------------------|
   |  LED1  |  Red   |   Off    |  Data is not being received   |
   |--------+--------+----------+-------------------------------|
   |  LED2  | Green  |    On    |   Data is being transmitted   |
   |--------+--------+----------+-------------------------------|
   |  LED2  | Green  |   Off    | Data is not being transmitted |
   +------------------------------------------------------------+