COGENT DATA TECHNOLOGIES, INC.
==============================

   E/MASTER I-AT

   NIC Type         Ethernet                                      
   Transfer Rate    10Mbps                                        
   Data Bus         16-bit ISA                                    
   Topology         Linear Bus                                    
   Wiring Type      RG58A/U 50ohm coaxial                         
                                                                  
                    AUI transceiver via DB-15 port                
   Boot ROM         Available                                     

<gopher://bitreich.org/I/th99/n/C-D/40019-1.png>
   

   +------------------------------------------------------------+
   |                    CABLE TYPE SELECTION                    |
   |------------------------------------------------------------|
   |               Type               |  JP1/A-F   |    JP2     |
   |----------------------------------+------------+------------|
   |>> |    RG58A/U 50ohm coaxial     | Pins 2 & 3 | Pins 2 & 3 |
   |   |                              |   closed   |   closed   |
   |---+------------------------------+------------+------------|
   |   |  AUI transceiver via DB-15   | Pins 1 & 2 | Pins 1 & 2 |
   |   |             port             |   closed   |   closed   |
   +------------------------------------------------------------+

+---------------------------------------------------------------------------+
|                        INTERRUPT REQUEST SELECTION                        |
|---------------------------------------------------------------------------|
| IRQ | JP3A | JP3B | JP3C | JP3D | JP3E | JP3F | JP3G | JP3H | JP3I | JP3J |
|-----+------+------+------+------+------+------+------+------+------+------|
|>>|10 | Open | Open | Open | Open |Closed| Open | Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------+------|
| |2/9| Open | Open | Open | Open | Open |Closed| Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------+------|
| | 3 | Open | Open | Open | Open | Open | Open | Open | Open | Open |Closed|
|-+---+------+------+------+------+------+------+------+------+------+------|
| | 4 | Open | Open | Open | Open | Open | Open | Open | Open |Closed| Open |
|-+---+------+------+------+------+------+------+------+------+------+------|
| | 5 | Open | Open | Open | Open | Open | Open | Open |Closed| Open | Open |
|-+---+------+------+------+------+------+------+------+------+------+------|
| | 7 | Open | Open | Open | Open | Open | Open |Closed| Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------+------|
| |11 | Open | Open | Open |Closed| Open | Open | Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------+------|
| |12 | Open | Open |Closed| Open | Open | Open | Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------+------|
| |14 | Open |Closed| Open | Open | Open | Open | Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------+------|
| |15 |Closed| Open | Open | Open | Open | Open | Open | Open | Open | Open |
+---------------------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   DMA CHANNEL SELECTION                    |
   |------------------------------------------------------------|
   | Channel |  JP4A  |  JP4B  |  JP4C  | JP5A  | JP5B  | JP5C  |
   |---------+--------+--------+--------+-------+-------+-------|
   |>> | DMA5 | Closed |  Open  |  Open  |Closed | Open  | Open  |
   |--+------+--------+--------+--------+-------+-------+-------|
   |  | DMA6 |  Open  | Closed |  Open  | Open  |Closed | Open  |
   |--+------+--------+--------+--------+-------+-------+-------|
   |  | DMA7 |  Open  |  Open  | Closed | Open  | Open  |Closed |
   |------------------------------------------------------------|
   |Note:Each E/MASTER II in the server must have a unique DMA  |
   |setting.                                                    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  BOOT ROM SIZE SELECTION                   |
   |------------------------------------------------------------|
   |            Size            |              JP6              |
   |----------------------------+-------------------------------|
   |>> |          8KB           |       Pins 2 & 3 closed       |
   |---+------------------------+-------------------------------|
   |   |          16KB          |       Pins 1 & 2 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      CLOCK SELECTION                       |
   |------------------------------------------------------------|
   |                Select                 |        JP7         |
   |---------------------------------------+--------------------|
   |>> | Clock on E/MASTER adapter (10MHz) | Pins 1 & 2 closed  |
   |---+-----------------------------------+--------------------|
   |   |       Clock on the host bus       | Pins 2 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 BOOT ROM ADDRESS SELECTION                 |
   |------------------------------------------------------------|
   |  Address   | JP13  | JP14  | JP15  | JP16  | JP17  | JP18  |
   |------------+-------+-------+-------+-------+-------+-------|
   |>> | D8000h | Pins  | Pins  | Pins  | Pins  | Pins  | Pins  |
   |   |        | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 |
   |---+--------+-------+-------+-------+-------+-------+-------|
   |   | C0000h | Pins  | Pins  | Pins  | Pins  | Pins  | Pins  |
   |   |        | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
   |---+--------+-------+-------+-------+-------+-------+-------|
   |   | C8000h | Pins  | Pins  | Pins  | Pins  | Pins  | Pins  |
   |   |        | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 |
   |---+--------+-------+-------+-------+-------+-------+-------|
   |   | D0000h | Pins  | Pins  | Pins  | Pins  | Pins  | Pins  |
   |   |        | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 |
   |---+--------+-------+-------+-------+-------+-------+-------|
   |   | E0000h | Pins  | Pins  | Pins  | Pins  | Pins  | Pins  |
   |   |        | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
   |---+--------+-------+-------+-------+-------+-------+-------|
   |   | E8000h | Pins  | Pins  | Pins  | Pins  | Pins  | Pins  |
   |   |        | 1 & 2 | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 |
   |------------------------------------------------------------|
   | Note:Pins designated should be in the closed position.     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SA 19-17 LINE CONFIGURATION                 |
   |------------------------------------------------------------|
   |              Setting              |          JP30          |
   |-----------------------------------+------------------------|
   |>> |    SA 19-17 lines enabled     |   Pins 1 & 2 closed    |
   |---+-------------------------------+------------------------|
   |   |    SA 19-17 lines disabled    |   Pins 2 & 3 closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  AUI GROUND CONFIGURAION                   |
   |------------------------------------------------------------|
   |                      Setting                      |  JP40  |
   |---------------------------------------------------+--------|
   |>> | Unused shield pins on AUI connector grounded  | Closed |
   |---+-----------------------------------------------+--------|
   |   |    Unused shield pins on AUI connector not    |  Open  |
   |   |                   grounded                    |        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |         FACTORY CONFIGURED SETTINGS - DO NOT ALTER         |
   |------------------------------------------------------------|
   |           Jumper           |            Setting            |
   |----------------------------+-------------------------------|
   |            JP8             |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |            JP9             |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |            JP10            |       Pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |            JP11            |       Pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |            JP12            |       Pins 1 & 2 closed       |
   +------------------------------------------------------------+