ARNET CORPORATION
=================

   ARNET SYNC

   Card Type          I/O controller                              
   Chipset/Controller Unidentified                                
   I/O Options        Serial ports (2)                            
   Maximum DRAM       N/A                                         

<gopher://bitreich.org/I/th99/i/A-B/50339-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |    Purpose    |   Location   |    Purpose    |  Location   |
   |---------------+--------------+---------------+-------------|
   | Serial port 1 |     CN1      | Serial port 2 |     CN1     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 I/O ADDRESS CONFIGURATION                  |
   |------------------------------------------------------------|
   |Address |SW1/1 |SW1/2 |SW1/3 |SW1/4 |SW1/5|SW1/6|SW1/7|SW1/8|
   |--------+------+------+------+------+-----+-----+-----+-----|
   |>> |388h | Off  |  On  |  On  |  On  | Off | Off | Off | On  |
   |--+-----+------+------+------+------+-----+-----+-----+-----|
   |  |100h |  On  |  On  |  On  |  On  | On  | Off | On  | On  |
   |--+-----+------+------+------+------+-----+-----+-----+-----|
   |  |120h |  On  |  On  | Off  |  On  | On  | Off | On  | On  |
   |--+-----+------+------+------+------+-----+-----+-----+-----|
   |  |140h |  On  |  On  |  On  | Off  | On  | Off | On  | On  |
   |--+-----+------+------+------+------+-----+-----+-----+-----|
   |  |168h | Off  |  On  | Off  | Off  | On  | Off | On  | On  |
   |--+-----+------+------+------+------+-----+-----+-----+-----|
   |  |200h |  On  |  On  |  On  |  On  | On  | On  | Off | On  |
   |--+-----+------+------+------+------+-----+-----+-----+-----|
   |  |2C0h |  On  |  On  |  On  | Off  | Off | On  | Off | On  |
   |--+-----+------+------+------+------+-----+-----+-----+-----|
   |  |2D0h |  On  | Off  |  On  | Off  | Off | On  | Off | On  |
   |--+-----+------+------+------+------+-----+-----+-----+-----|
   |  |2F8h | Off  | Off  | Off  | Off  | Off | On  | Off | On  |
   |--+-----+------+------+------+------+-----+-----+-----+-----|
   |  |300h |  On  |  On  |  On  |  On  | On  | Off | Off | On  |
   |--+-----+------+------+------+------+-----+-----+-----+-----|
   |  |310h |  On  | Off  |  On  |  On  | On  | Off | Off | On  |
   |--+-----+------+------+------+------+-----+-----+-----+-----|
   |  |380h |  On  |  On  |  On  |  On  | Off | Off | Off | On  |
   |--+-----+------+------+------+------+-----+-----+-----+-----|
   |  |3A0h |  On  |  On  | Off  |  On  | Off | Off | Off | On  |
   |--+-----+------+------+------+------+-----+-----+-----+-----|
   |  |3A8h | Off  |  On  | Off  |  On  | Off | Off | Off | On  |
   |--+-----+------+------+------+------+-----+-----+-----+-----|
   |  |3F8h | Off  | Off  | Off  | Off  | Off | Off | Off | On  |
   +------------------------------------------------------------+

  +----------------------------------------------------------------+
  |                        INTERRUPT SELECT                        |
  |----------------------------------------------------------------|
  |IRQ|SW2/1|SW2/2|SW2/3|SW2/4|SW2/5|SW2/6|SW2/7|SW2/8|SW2/9|SW2/10|
  |---+-----+-----+-----+-----+-----+-----+-----+-----+-----+------|
  | 2 | On  | Off | Off | Off | Off | Off | Off | Off | Off | Off  |
  |---+-----+-----+-----+-----+-----+-----+-----+-----+-----+------|
  | 3 | Off | On  | Off | Off | Off | Off | Off | Off | Off | Off  |
  |---+-----+-----+-----+-----+-----+-----+-----+-----+-----+------|
  | 4 | Off | Off | On  | Off | Off | Off | Off | Off | Off | Off  |
  |---+-----+-----+-----+-----+-----+-----+-----+-----+-----+------|
  | 5 | Off | Off | Off | On  | Off | Off | Off | Off | Off | Off  |
  |---+-----+-----+-----+-----+-----+-----+-----+-----+-----+------|
  | 6 | Off | Off | Off | Off | On  | Off | Off | Off | Off | Off  |
  |---+-----+-----+-----+-----+-----+-----+-----+-----+-----+------|
  | 7 | Off | Off | Off | Off | Off | On  | Off | Off | Off | Off  |
  +----------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DTR CONFIGURATION                      |
   |------------------------------------------------------------|
   |        Setting         |       J2        |       J4        |
   |------------------------+-----------------+-----------------|
   |>> | DTR selected from  |   Pins 1 & 2    |   Pins 1 & 2    |
   |   |        8530        |     closed      |     closed      |
   |---+--------------------+-----------------+-----------------|
   |   | DTR selected from  |   Pins 2 & 3    |   Pins 2 & 3    |
   |   |     I/O latch      |     closed      |     closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                FACTORY CONFIGURED SETTINGS                 |
   |------------------------------------------------------------|
   |           Jumper           |            Setting            |
   |----------------------------+-------------------------------|
   |             J1             |       Pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |             J3             |       Pins 2 & 3 closed       |
   +------------------------------------------------------------+