DAVID SYSTEMS, INC.
===================

   ETHER-T AT ADAPTER

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

<gopher://bitreich.org/I/th99/n/C-D/40200-1.png>
   

+--------------------------------------------------------------------------+
|                            INTERRUPT REQUEST                             |
|--------------------------------------------------------------------------|
|IRQ | JP2  | JP3  | JP4  | JP5  | JP6  | JP7  | JP8  | JP9  | JP10 | JP11 |
|----+------+------+------+------+------+------+------+------+------+------|
| |2 | Open | Open | Open | Open | Open | Open | Open | Open | Open |Closed|
|-+--+------+------+------+------+------+------+------+------+------+------|
|>>|3 | Open | Open | Open | Open | Open | Open | Open | Open |Closed| Open |
|-+--+------+------+------+------+------+------+------+------+------+------|
| |4 | Open | Open | Open | Open | Open | Open | Open |Closed| Open | Open |
|-+--+------+------+------+------+------+------+------+------+------+------|
| |5 | Open | Open | Open | Open | Open | Open |Closed| Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------+------|
| |6 | Open | Open | Open | Open | Open |Closed| Open | Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------+------|
| |7 | Open | Open | Open | Open |Closed| Open | Open | Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------+------|
| |10| Open | Open | Open |Closed| Open | Open | Open | Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------+------|
| |11| Open | Open |Closed| Open | Open | Open | Open | Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------+------|
| |12| Open |Closed| Open | Open | Open | Open | Open | Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------+------|
| |15|Closed| Open | Open | Open | Open | Open | Open | Open | Open | Open |
+--------------------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         CABLE TYPE                         |
   |------------------------------------------------------------|
   |                 Type                 |       JP7-12        |
   |--------------------------------------+---------------------|
   |>> | Shielded/Unshielded twisted pair |  Pins 1 & 2 Closed  |
   |---+----------------------------------+---------------------|
   |   |  AUI transceiver via DB-15 port  |  Pins 2 & 3 Closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      BOOT ROM ADDRESS                      |
   |------------------------------------------------------------|
   |      ROM Address       |      SW1/5      |      SW1/6      |
   |------------------------+-----------------+-----------------|
   |   |   C0000h-C3FFFh    |       On        |       On        |
   |---+--------------------+-----------------+-----------------|
   |   |   C4000h-C7FFFh    |       Off       |       On        |
   |---+--------------------+-----------------+-----------------|
   |   |   C8000h-CBFFFh    |       On        |       Off       |
   |---+--------------------+-----------------+-----------------|
   |>> |   CC000h-CFFFFh    |       Off       |       Off       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      I/O BASE ADDRESS                      |
   |------------------------------------------------------------|
   |      I/O       |  SW1/1   |  SW1/2   |  SW1/3   |  SW1/4   |
   |----------------+----------+----------+----------+----------|
   |   | 280h-29Fh  |    On    |    On    |    On    |    On    |
   |---+------------+----------+----------+----------+----------|
   |>> | 2A0h-2BFh  |    On    |   Off    |    On    |    On    |
   |---+------------+----------+----------+----------+----------|
   |   | 2C0h-2DFh  |    On    |    On    |   Off    |    On    |
   |---+------------+----------+----------+----------+----------|
   |   | 2E0h-2FFh  |    On    |   Off    |   Off    |    On    |
   |---+------------+----------+----------+----------+----------|
   |   | 300h-31Fh  |    On    |    On    |    On    |   Off    |
   |---+------------+----------+----------+----------+----------|
   |   | 320h-33Fh  |    On    |   Off    |    On    |   Off    |
   |---+------------+----------+----------+----------+----------|
   |   | 340h-35Fh  |    On    |    On    |   Off    |   Off    |
   |---+------------+----------+----------+----------+----------|
   |   | 360h-37Fh  |    On    |   Off    |   Off    |   Off    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      LINK TEST SIGNAL                      |
   |------------------------------------------------------------|
   |                 Mode                 |        JP10         |
   |--------------------------------------+---------------------|
   |>>   |    Link test signal Enabled    |  Pins 1 & 2 Closed  |
   |-----+--------------------------------+---------------------|
   |     |   Link test signal Disabled    |  Pins 2 & 3 Closed  |
   |------------------------------------------------------------|
   | Note: When the link test signal is enabled it checks the   |
   | cable path for proper wiring.                              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                       COMPATIBILITY                        |
   |------------------------------------------------------------|
   |               Mode               |           JP1           |
   |----------------------------------+-------------------------|
   |>>      |    Compatibility on     |    Pins 1 & 2 Closed    |
   |--------+-------------------------+-------------------------|
   |        |    Compatibility off    |    Pins 2 & 3 Closed    |
   |------------------------------------------------------------|
   | Note: If one of the following problems persist after       |
   | checking all other possibilities disabled compatibility.   |
   |                                                            |
   | Intermittent failures when booting the PC, system lock up, |
   | continuous network error messages.                         |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/n/C-D/40200-2.png>
   

   +------------------------------------------------------------+
   |                     DIAGNOSTIC LED(S)                      |
   |------------------------------------------------------------|
   | LED  | Color |  Status  |            Condition             |
   |------+-------+----------+----------------------------------|
   | LED1 |  Red  |    On    |    The adapter or hub port is    |
   |      |       |          |         malfunctioning.          |
   |------+-------+----------+----------------------------------|
   | LED1 |  Red  |   Off    |    The adapter or hub port is    |
   |      |       |          |       operating correctly.       |
   |------+-------+----------+----------------------------------|
   | LED2 | Green |    On    | Good network cabling connection. |
   |------+-------+----------+----------------------------------|
   | LED2 | Green |   Off    |  Bad connection, or a break in   |
   |      |       |          |           the cabling.           |
   |------+-------+----------+----------------------------------|
   | LED3 |  Red  | Blinking |    Data is being transmitted.    |
   |------+-------+----------+----------------------------------|
   | LED3 |  Red  |   Off    |  Data is not being transmitted.  |
   |------+-------+----------+----------------------------------|
   | LED4 |  Red  | Blinking |     Data is being received.      |
   |------+-------+----------+----------------------------------|
   | LED4 |  Red  |   Off    |   Data is not being received.    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                FACTORY CONFIGURED SETTINGS                 |
   |------------------------------------------------------------|
   |            LED             |           Condition           |
   |----------------------------+-------------------------------|
   |           SW1/7            |            Unused             |
   |----------------------------+-------------------------------|
   |           SW1/8            |            Unused             |
   +------------------------------------------------------------+