XINETRON, INC.
==============

   XINET LS2202/LS2203

   Processor         80286                                        
   Processor Speed   20MHz                                        
   Chip Set          C & T                                        
   Max. Onboard DRAM 4MB                                          
   SRAM Cache        None                                         
   BIOS              Award                                        
   Dimensions        330mm x 218mm                                
   I/O Options       AUI ethernet interface, BNC ethernet         
                     interface, floppy drive interface, IDE       
                     interface, parallel port, serial ports (2),  
                     VGA port                                     
   NPU Options       80287                                        

<gopher://bitreich.org/I/th99/m/U-Z/31433-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose          | Location | Purpose           | Location |
   |------------------+----------+-------------------+----------|
   | AUI ethernet     |    C1    | IDE interface     |    C6    |
   | interface        |          |                   |          |
   |------------------+----------+-------------------+----------|
   | BNC ethernet     |    C2    | Floppy drive      |    C7    |
   | interface        |          | interface         |          |
   |------------------+----------+-------------------+----------|
   | Parallel port    |    C3    | External battery  |   JP4    |
   |------------------+----------+-------------------+----------|
   | Serial port      |    C4    | Reset switch      |   JP5    |
   | (COM2)           |          |                   |          |
   |------------------+----------+-------------------+----------|
   | Serial port      |    C5    | VGA connection    |  JP304   |
   | (COM1)           |          |                   |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |           Function            |    Jumper     |  Position  |
   |-------------------------------+---------------+------------|
   |>> | BIOS type select 27256    |      JP3      | pins 1 & 2 |
   |   |                           |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | BIOS type select 27128    |      JP3      | pins 2 & 3 |
   |   |                           |               |   closed   |
   |---+---------------------------+---------------+------------|
   |>> | Monitor type select       |      JP8      |    Open    |
   |   | monochrome                |               |            |
   |---+---------------------------+---------------+------------|
   |   | Monitor type select color |      JP8      |   Closed   |
   |---+---------------------------+---------------+------------|
   |>> | CPU speed keyboard        |      JP9      |   Closed   |
   |   | selectable                |               |            |
   |---+---------------------------+---------------+------------|
   |   | CPU speed "normal"        |      JP9      |    Open    |
   |---+---------------------------+---------------+------------|
   |>> | Floppy drive interface    |     JP207     | pins 2 & 3 |
   |   | enabled                   |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | Floppy drive interface    |     JP207     | pins 1 & 2 |
   |   | disabled                  |               |   closed   |
   |---+---------------------------+---------------+------------|
   |>> | IDE interface enabled     | JP214 & JP215 | pins 2 & 3 |
   |   |                           |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | IDE interface disabled    | JP214 & JP215 | pins 1 & 2 |
   |   |                           |               |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 SERIAL PORT CONFIGURATION                  |
   |------------------------------------------------------------|
   | Port 1 (C3)  |  Port 2   |   JP208   |  JP209   |  JP210   |
   |              |   (C4)    |           |          |          |
   |--------------+-----------+-----------+----------+----------|
   |>> | Enabled  |  Enabled  | pins 2 &  | pins 2 & | pins 2 & |
   |   |          |           | 3 closed  | 3 closed | 3 closed |
   |---+----------+-----------+-----------+----------+----------|
   |   | Enabled  | Disabled  | pins 2 &  | pins 1 & | pins 2 & |
   |   |          |           | 3 closed  | 2 closed | 3 closed |
   |---+----------+-----------+-----------+----------+----------|
   |   | Disabled |  Enabled  | pins 2 &  | pins 2 & | pins 1 & |
   |   |          |           | 3 closed  | 3 closed | 2 closed |
   |---+----------+-----------+-----------+----------+----------|
   |   | Disabled | Disabled  | pins 1 &  | pins 1 & | pins 1 & |
   |   |          |           | 2 closed  | 2 closed | 2 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              PARALLEL PORT (C3) CONFIGURATION              |
   |------------------------------------------------------------|
   |   LPT    | I/O Address |      JP211      |      JP212      |
   |----------+-------------+-----------------+-----------------|
   |  LPT 1   |    3BCh     |   pins 2 & 3    |   pins 1 & 2    |
   |          |             |     closed      |     closed      |
   |----------+-------------+-----------------+-----------------|
   |  LPT 2   |    378h     |   pins 2 & 3    |   pins 2 & 3    |
   |          |             |     closed      |     closed      |
   |----------+-------------+-----------------+-----------------|
   |  LPT 3   |    278h     |   pins 1 & 2    |   pins 2 & 3    |
   |          |             |     closed      |     closed      |
   |----------+-------------+-----------------+-----------------|
   | Disabled |     N/A     |   pins 1 & 2    |   pins 1 & 2    |
   |          |             |     closed      |     closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    VIDEO CONFIGIURATION                    |
   |------------------------------------------------------------|
   |          Function          |      JP301      |    JP303    |
   |----------------------------+-----------------+-------------|
   |>> | Onboard video enabled  |   pins 2 & 3    | pins 1 & 2  |
   |   |                        |     closed      |   closed    |
   |---+------------------------+-----------------+-------------|
   |   | Onboard video disabled |   pins 1 & 2    | pins 2 & 3  |
   |   |                        |     closed      |   closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |          ETHERNET NETWORK INTERRUPT CONFIGURATION          |
   |------------------------------------------------------------|
   |             Function              | Jumper |   Position    |
   |-----------------------------------+--------+---------------|
   |>> | Interrupt request select IRQ3 | JP106  |  pins 3 & 4   |
   |   |                               |        |    closed     |
   |---+-------------------------------+--------+---------------|
   |   | Interrupt request select IRQ2 | JP106  |  pins 1 & 2   |
   |   |                               |        |    closed     |
   |---+-------------------------------+--------+---------------|
   |   | Interrupt request select IRQ4 | JP106  |  pins 5 & 6   |
   |   |                               |        |    closed     |
   |---+-------------------------------+--------+---------------|
   |   | Interrupt request select IRQ5 | JP106  |  pins 7 & 8   |
   |   |                               |        |    closed     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |          ETHERNET I/O BASE ADDRESS CONFIGURATION           |
   |------------------------------------------------------------|
   |          Function           |  Jumper  |     Position      |
   |-----------------------------+----------+-------------------|
   |>> | I/O base address 320h   |  JP119   | pins 3 & 4 closed |
   |---+-------------------------+----------+-------------------|
   |   | I/O base address 300h   |  JP119   | pins 1 & 2 closed |
   |---+-------------------------+----------+-------------------|
   |   | I/O base address 340h   |  JP119   | pins 5 & 6 closed |
   |---+-------------------------+----------+-------------------|
   |   | I/O base address 360h   |  JP119   | pins 7 & 8 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |       ETHERNET BOOT ROM MEMORY ADDRESS CONFIGURATION       |
   |------------------------------------------------------------|
   |             Function              | Jumper |   Position    |
   |-----------------------------------+--------+---------------|
   |>> | Boot ROM memory address       | JP110  |  pins 3 & 4   |
   |   | CC000h                        |        |    closed     |
   |---+-------------------------------+--------+---------------|
   |   | Boot ROM memory address       | JP110  |  pins 1 & 2   |
   |   | C8000h                        |        |    closed     |
   |---+-------------------------------+--------+---------------|
   |   | Boot ROM memory address       | JP110  |  pins 5 & 6   |
   |   | D0000h                        |        |    closed     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             ETHERNET CABLE TYPE CONFIGURATION              |
   |------------------------------------------------------------|
   |           Type           |    JP113-JP118     |   JP123    |
   |--------------------------+--------------------+------------|
   | BNC                      | pins 2 & 3 closed  |   Closed   |
   |--------------------------+--------------------+------------|
   | AUI tranceiver via 9-pin | pins 1 & 2 closed  |    Open    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |      512KB       |    (2) 256K x 9    |        NONE        |
   |------------------+--------------------+--------------------|
   |       1MB        |    (2) 256K x 9    |    (2) 256K x 9    |
   |------------------+--------------------+--------------------|
   |       2MB        |     (2) 1M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |       4MB        |     (2) 1M x 9     |     (2) 1M x 9     |
   +------------------------------------------------------------+