MICRODYNE CORPORATION
=====================

   EXOS 205-10T

   NIC Type               Ethernet                                
   Processor              Intel 80186                             
   Processor Speed        8MHz                                    
   Chip Set               Intel 82586                             
   Maximum Onboard Memory 512KB DRAM                              
   Data Bus               8/16-bit ISA                            
   Network Transfer Rate  10Mbps                                  
   Topology               Linear Bus/Star                         
   Wiring Type            Unshielded twisted pair                 
                                                                  
                          AUI transceiver via DB-15 port          
   Boot ROM               Available (location unidentfied)        

<gopher://bitreich.org/I/th99/n/M-O/41755-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |      Function       | Label |       Function       | Label |
   |---------------------+-------+----------------------+-------|
   | AUI transceiver via |  CN1  | Unshielded twisted   |  CN2  |
   | DB-15 port          |       | pair connector       |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                 Setting                 | Label | Position |
   |-----------------------------------------+-------+----------|
   |>> | SQE heartbeat enabled               |  J2   |   Open   |
   |---+-------------------------------------+-------+----------|
   |   | SQE heartbeat disabled              |  J2   |  Closed  |
   |---+-------------------------------------+-------+----------|
   |>> | Carrier detect enabled              |  J3   |   Open   |
   |---+-------------------------------------+-------+----------|
   |   | Carrier detect disabled             |  J3   |  Closed  |
   |---+-------------------------------------+-------+----------|
   |>> | Auto-detect bus size                |  J33  |  Closed  |
   |---+-------------------------------------+-------+----------|
   |   | Force 8-bit bus size                |  J33  |   Open   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         CABLE TYPE                         |
   |------------------------------------------------------------|
   |            Setting             |            S1             |
   |--------------------------------+---------------------------|
   |    Unshielded twisted pair     |            On             |
   |--------------------------------+---------------------------|
   | AUI transceiver via DB-15 port |            Off            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      BASE I/O ADDRESS                      |
   |------------------------------------------------------------|
   |       Setting       |        J24        |       J25        |
   |---------------------+-------------------+------------------|
   |   |      300h       |      Closed       |      Closed      |
   |---+-----------------+-------------------+------------------|
   |>> |      310h       |       Open        |      Closed      |
   |---+-----------------+-------------------+------------------|
   |   |      320h       |      Closed       |       Open       |
   |---+-----------------+-------------------+------------------|
   |   |      330h       |       Open        |       Open       |
   +------------------------------------------------------------+

+------------------------------------------------------------------+
|                         BOOT ROM ADDRESS                         |
|------------------------------------------------------------------|
| Setting  | J16  | J17  | J18  | J19  | J20  | J21  | J22  | J23  |
|----------+------+------+------+------+------+------+------+------|
| | C0000h |Closed| Open | Open | Open | Open | Open | Open | Open |
|-+--------+------+------+------+------+------+------+------+------|
| | C4000h | Open |Closed| Open | Open | Open | Open | Open | Open |
|-+--------+------+------+------+------+------+------+------+------|
| | C8000h | Open | Open |Closed| Open | Open | Open | Open | Open |
|-+--------+------+------+------+------+------+------+------+------|
| | CC000h | Open | Open | Open |Closed| Open | Open | Open | Open |
|-+--------+------+------+------+------+------+------+------+------|
| | D0000h | Open | Open | Open | Open |Closed| Open | Open | Open |
|-+--------+------+------+------+------+------+------+------+------|
| | D4000h | Open | Open | Open | Open | Open |Closed| Open | Open |
|-+--------+------+------+------+------+------+------+------+------|
| | D8000h | Open | Open | Open | Open | Open | Open |Closed| Open |
|-+--------+------+------+------+------+------+------+------+------|
| | DC000h | Open | Open | Open | Open | Open | Open | Open |Closed|
|-+--------+------+------+------+------+------+------+------+------|
|>>|Disabled| Open | Open | Open | Open | Open | Open | Open | Open |
+------------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         INTERRUPT                          |
   |------------------------------------------------------------|
   | Setting |  J10   |  J11   |  J12   |  J13  |  J14  |  J15  |
   |---------+--------+--------+--------+-------+-------+-------|
   |>>|       | Closed |  Open  |  Open  | Open  | Open  | Open  |
   |-+-------+--------+--------+--------+-------+-------+-------|
   | | IRQ3  |  Open  | Closed |  Open  | Open  | Open  | Open  |
   |-+-------+--------+--------+--------+-------+-------+-------|
   | | IRQ4  |  Open  |  Open  | Closed | Open  | Open  | Open  |
   |-+-------+--------+--------+--------+-------+-------+-------|
   | | IRQ5  |  Open  |  Open  |  Open  |Closed | Open  | Open  |
   |-+-------+--------+--------+--------+-------+-------+-------|
   | | IRQ6  |  Open  |  Open  |  Open  | Open  |Closed | Open  |
   |-+-------+--------+--------+--------+-------+-------+-------|
   | | IRQ7  |  Open  |  Open  |  Open  | Open  | Open  |Closed |
   |-+-------+--------+--------+--------+-------+-------+-------|
   | | IRQ10 |  Open  |  Open  |  Open  | Open  | Open  | Open  |
   |-+-------+--------+--------+--------+-------+-------+-------|
   | | IRQ11 |  Open  |  Open  |  Open  | Open  | Open  | Open  |
   |-+-------+--------+--------+--------+-------+-------+-------|
   | | IRQ12 |  Open  |  Open  |  Open  | Open  | Open  | Open  |
   |-+-------+--------+--------+--------+-------+-------+-------|
   | | IRQ13 |  Open  |  Open  |  Open  | Open  | Open  | Open  |
   |-+-------+--------+--------+--------+-------+-------+-------|
   | | IRQ14 |  Open  |  Open  |  Open  | Open  | Open  | Open  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     INTERRUPT (CON'T)                      |
   |------------------------------------------------------------|
   |  Setting   |   J34   |   J35   |   J36   |  J37   |  J38   |
   |------------+---------+---------+---------+--------+--------|
   |>> |        |  Open   |  Open   |  Open   |  Open  |  Open  |
   |---+--------+---------+---------+---------+--------+--------|
   |   |  IRQ3  |  Open   |  Open   |  Open   |  Open  |  Open  |
   |---+--------+---------+---------+---------+--------+--------|
   |   |  IRQ4  |  Open   |  Open   |  Open   |  Open  |  Open  |
   |---+--------+---------+---------+---------+--------+--------|
   |   |  IRQ5  |  Open   |  Open   |  Open   |  Open  |  Open  |
   |---+--------+---------+---------+---------+--------+--------|
   |   |  IRQ6  |  Open   |  Open   |  Open   |  Open  |  Open  |
   |---+--------+---------+---------+---------+--------+--------|
   |   |  IRQ7  |  Open   |  Open   |  Open   |  Open  |  Open  |
   |---+--------+---------+---------+---------+--------+--------|
   |   | IRQ10  |  Open   |  Open   |  Open   |  Open  | Closed |
   |---+--------+---------+---------+---------+--------+--------|
   |   | IRQ11  |  Open   |  Open   |  Open   | Closed |  Open  |
   |---+--------+---------+---------+---------+--------+--------|
   |   | IRQ12  |  Open   |  Open   | Closed  |  Open  |  Open  |
   |---+--------+---------+---------+---------+--------+--------|
   |   | IRQ13  |  Open   | Closed  |  Open   |  Open  |  Open  |
   |---+--------+---------+---------+---------+--------+--------|
   |   | IRQ14  | Closed  |  Open   |  Open   |  Open  |  Open  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |      256KB       |    (2) 256K x 4    |        None        |
   |------------------+--------------------+--------------------|
   |      512KB       |    (2) 256K x 4    |    (2) 256K x 4    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        DRAM JUMPER                         |
   |------------------------------------------------------------|
   |            Size             |              J1              |
   |-----------------------------+------------------------------|
   |            256KB            |            Closed            |
   |-----------------------------+------------------------------|
   |            512KB            |             Open             |
   +------------------------------------------------------------+