ACCTON TECHNOLOGY CORPORATION
=============================

   RINGPAIR-4/16 (TR1605)

   NIC Type         Token-Ring                                    
   Transfer Rate    4/16Mbps                                      
   Data Bus         16-bit ISA                                    
   Topology         Ring                                          
   Wiring Type      Shielded twisted pair                         
                                                                  
                    Unshielded twisted pair                       
   Boot ROM         Available                                     

<gopher://bitreich.org/I/th99/n/A-B/40190-1.png>
   

   +------------------------------------------------------------+
   |                       BOOT ROM SIZE                        |
   |------------------------------------------------------------|
   |       Size       |        JP1         |        JP3         |
   |------------------+--------------------+--------------------|
   |>> |     32KB     | Pins 2 & 3 Closed  | Pins 2 & 3 Closed  |
   |---+--------------+--------------------+--------------------|
   |   |     64KB     | Pins 1 & 2 Closed  | Pins 1 & 2 Closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                          BOOT ROM                          |
   |------------------------------------------------------------|
   |          Setting           |              JP2              |
   |----------------------------+-------------------------------|
   |>> |        Disabled        |       Pins 1 & 2 Closed       |
   |---+------------------------+-------------------------------|
   |   |        Enabled         |       Pins 2 & 3 Closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        DMA CHANNEL                         |
   |------------------------------------------------------------|
   |  Channel  |  JP4A  | JP4B  | JP4C  | JP7A  | JP7B  | JP7C  |
   |-----------+--------+-------+-------+-------+-------+-------|
   |>>|  DMA5   |  Open  | Open  |Closed | Open  | Open  |Closed |
   |-+---------+--------+-------+-------+-------+-------+-------|
   | |  DMA6   |  Open  |Closed | Open  | Open  |Closed | Open  |
   |-+---------+--------+-------+-------+-------+-------+-------|
   | |  DMA7   | Closed | Open  | Open  |Closed | Open  | Open  |
   |-+---------+--------+-------+-------+-------+-------+-------|
   | |Disabled |  Open  | Open  | Open  | Open  | Open  | Open  |
   +------------------------------------------------------------+

+-------------------------------------------------------------------+
|                         INTERRUPT REQUEST                         |
|-------------------------------------------------------------------|
|IRQ | JP5A | JP5B | JP5C | JP5D | JP5E | JP5F | JP5G | JP5H | JP5I |
|----+------+------+------+------+------+------+------+------+------|
|>>|3 |Closed| Open | Open | Open | Open | Open | Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------|
| |4 | Open |Closed| Open | Open | Open | Open | Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------|
| |5 | Open | Open |Closed| Open | Open | Open | Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------|
| |6 | Open | Open | Open |Closed| Open | Open | Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------|
| |7 | Open | Open | Open | Open |Closed| Open | Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------|
| |9 | Open | Open | Open | Open | Open |Closed| Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------|
| |10| Open | Open | Open | Open | Open | Open |Closed| Open | Open |
|-+--+------+------+------+------+------+------+------+------+------|
| |11| Open | Open | Open | Open | Open | Open | Open |Closed| Open |
|-+--+------+------+------+------+------+------+------+------+------|
| |12| Open | Open | Open | Open | Open | Open | Open | Open |Closed|
+-------------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     COMPATIBILITY MODE                     |
   |------------------------------------------------------------|
   |      Option      |   JP6A   |   JP6B   |  JP6C   |  JP6D   |
   |------------------+----------+----------+---------+---------|
   |>>  |  Select 0   |  Closed  |   Open   |  Open   |  Open   |
   |----+-------------+----------+----------+---------+---------|
   |    |  Select 1   |   Open   |  Closed  |  Open   |  Open   |
   |----+-------------+----------+----------+---------+---------|
   |    |  Select 2   |   Open   |   Open   | Closed  |  Open   |
   |----+-------------+----------+----------+---------+---------|
   |    |  Select 3   |   Open   |   Open   |  Open   | Closed  |
   |------------------------------------------------------------|
   | Note:If the card fails to run after eliminating all other  |
   | possible problems, use one of the optional settings.       |
   +------------------------------------------------------------+

+--------------------------------------------------------------------+
|               I/O BASE ADDRESS AND BOOT ROM ADDRESS                |
|--------------------------------------------------------------------|
|I/O Address |  32KB ROM   |  64KB ROM   | JP8A | JP8B | JP8C | JP8D |
|            |             |             |      |      |      |      |
|            |   Address   |   Address   |      |      |      |      |
|------------+-------------+-------------+------+------+------+------|
|>>|0A20-0A31h|C0000h-CFFFFh|C0000h-C7FFFh|Closed| Open | Open | Open |
|-+----------+-------------+-------------+------+------+------+------|
| |1A20-1A31h|D0000h-DFFFFh|C8000h-CFFFFh| Open |Closed| Open | Open |
|-+----------+-------------+-------------+------+------+------+------|
| |2A20-2A31h|     N/A     |D0000h-D7FFFh| Open | Open |Closed| Open |
|-+----------+-------------+-------------+------+------+------+------|
| |3A20-3A31h|     N/A     |D8000h-DFFFFh| Open | Open | Open |Closed|
+--------------------------------------------------------------------+

   +------------------------------------------------------------+
   |                       NETWORK SPEED                        |
   |------------------------------------------------------------|
   |           Speed            |              JP9              |
   |----------------------------+-------------------------------|
   |>> |         16Mbps         |       Pins 2 & 3 Closed       |
   |---+------------------------+-------------------------------|
   |   |         4Mbps          |       Pins 1 & 2 Closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         CABLE TYPE                         |
   |------------------------------------------------------------|
   |            Type            | JP10A & JP10B | JP11A & JP11B |
   |----------------------------+---------------+---------------|
   |>> | Shielded twisted pair  |     Open      |     Open      |
   |---+------------------------+---------------+---------------|
   |   |   Unshielded twisted   |    Closed     |    Closed     |
   |   |          pair          |               |               |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DIAGNOSTIC LED(S)                      |
   |------------------------------------------------------------|
   | LED  | Color | Status |             Condition              |
   |------+-------+--------+------------------------------------|
   | LED1 | Green |   On   |  Link is correctly configured and  |
   |      |       |        |         running at 16Mbps          |
   |------+-------+--------+------------------------------------|
   | LED1 |  Red  |   On   |  Link is correctly configured and  |
   |      |       |        |          running at 4Mbps          |
   +------------------------------------------------------------+