TIARA COMPUTER SYSTEMS, INC.
============================

   10BASE-T LanCard PC

   NIC Type         Ethernet                                      
   Transfer Rate    10Mbps                                        
   Data Bus         8-bit ISA                                     
   Topology         Linear Bus                                    
                                                                  
                    Star                                          
   Wiring Type      Shielded twisted pair                         
                                                                  
                    Unshielded twisted pair                       
                                                                  
                    AUI transceiver via DB-15 port                
   Boot ROM         Available                                     

<gopher://bitreich.org/I/th99/n/S-T/40130-1.png>
   

  +----------------------------------------------------------------+
  |                        BOOT ROM ADDRESS                        |
  |----------------------------------------------------------------|
  |Address | JP24 | JP25 | JP26 | JP27 | JP28 | JP29 | JP30 | JP31 |
  |--------+------+------+------+------+------+------+------+------|
  |Disabled| Open | Open | Open | Open | Open | Open | Open |Closed|
  |--------+------+------+------+------+------+------+------+------|
  | C4000h | Open | Open | Open | Open | Open | Open |Closed| Open |
  |--------+------+------+------+------+------+------+------+------|
  | C8000h | Open | Open | Open | Open | Open |Closed| Open | Open |
  |--------+------+------+------+------+------+------+------+------|
  | CC000h | Open | Open | Open | Open |Closed| Open | Open | Open |
  |--------+------+------+------+------+------+------+------+------|
  | D0000h | Open | Open | Open |Closed| Open | Open | Open | Open |
  |--------+------+------+------+------+------+------+------+------|
  | D4000h | Open | Open |Closed| Open | Open | Open | Open | Open |
  |--------+------+------+------+------+------+------+------+------|
  | D8000h | Open |Closed| Open | Open | Open | Open | Open | Open |
  |--------+------+------+------+------+------+------+------+------|
  | DC000h |Closed| Open | Open | Open | Open | Open | Open | Open |
  |----------------------------------------------------------------|
  |Note:JP32 and JP33 should remain with pins 2 & 3 closed.        |
  +----------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     INTERRUPT REQUEST                      |
   |------------------------------------------------------------|
   |   IRQ   |   JP5    |   JP6   |   JP7   |   JP8   |   JP9   |
   |---------+----------+---------+---------+---------+---------|
   |>> |  3  |   Open   |  Open   |  Open   | Closed  |  Open   |
   |---+-----+----------+---------+---------+---------+---------|
   |   |  2  |   Open   |  Open   |  Open   |  Open   | Closed  |
   |---+-----+----------+---------+---------+---------+---------|
   |   |  4  |   Open   |  Open   | Closed  |  Open   |  Open   |
   |---+-----+----------+---------+---------+---------+---------|
   |   |  5  |   Open   | Closed  |  Open   |  Open   |  Open   |
   |---+-----+----------+---------+---------+---------+---------|
   |   |  7  |  Closed  |  Open   |  Open   |  Open   |  Open   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         WAIT STATE                         |
   |------------------------------------------------------------|
   |              Setting              |          JP34          |
   |-----------------------------------+------------------------|
   |>> |   Zero wait states disabled   |   Pins 2 & 3 closed    |
   |---+-------------------------------+------------------------|
   |   |   Zero wait states enabled    |   Pins 1 & 2 closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         CABLE TYPE                         |
   |------------------------------------------------------------|
   |              Type               |  JP1   |  JP2   |  JP3   |
   |---------------------------------+--------+--------+--------|
   |   Shielded/Unshielded twisted   |  Open  | Closed |  Open  |
   |    pair (10Base-T Standard)     |        |        |        |
   |---------------------------------+--------+--------+--------|
   | AUI transceiver via DB-15 port  |  Open  |  Open  | Closed |
   |---------------------------------+--------+--------+--------|
   |   Shielded/Unshielded twisted   | Closed |  Open  |  Open  |
   |  pair (Pre-10Base-T Standard)   |        |        |        |
   +------------------------------------------------------------+

   +---------------------------------------------------------------+
   |                       I/O BASE ADDRESS                        |
   |---------------------------------------------------------------|
   |Address| JP10 | JP11 | JP12 | JP13 | JP14 | JP15 | JP16 | JP17 |
   |-------+------+------+------+------+------+------+------+------|
   |>> |300h| Open | Open | Open | Open | Open | Open | Open |Closed|
   |--+----+------+------+------+------+------+------+------+------|
   |  |260h| Open | Open | Open |Closed| Open | Open | Open | Open |
   |--+----+------+------+------+------+------+------+------+------|
   |  |280h| Open | Open |Closed| Open | Open | Open | Open | Open |
   |--+----+------+------+------+------+------+------+------+------|
   |  |2A0h| Open |Closed| Open | Open | Open | Open | Open | Open |
   |--+----+------+------+------+------+------+------+------+------|
   |  |2E0h|Closed| Open | Open | Open | Open | Open | Open | Open |
   |--+----+------+------+------+------+------+------+------+------|
   |  |320h| Open | Open | Open | Open | Open | Open |Closed| Open |
   |--+----+------+------+------+------+------+------+------+------|
   |  |380h| Open | Open | Open | Open | Open |Closed| Open | Open |
   |--+----+------+------+------+------+------+------+------+------|
   |  |3E0h| Open | Open | Open | Open |Closed| Open | Open | Open |
   +---------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        DMA CHANNEL                         |
   |------------------------------------------------------------|
   |  Setting  |  JP18  | JP19  | JP20  | JP21  | JP22  | JP23  |
   |-----------+--------+-------+-------+-------+-------+-------|
   |>>|Disabled |  Open  | Open  |Closed | Open  | Open  |Closed |
   |-+---------+--------+-------+-------+-------+-------+-------|
   | |  DMA1   | Closed | Open  | Open  |Closed | Open  | Open  |
   |-+---------+--------+-------+-------+-------+-------+-------|
   | |  DMA3   |  Open  |Closed | Open  | Open  |Closed | Open  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              DB-15 PORT GROUND CONFIGURATION               |
   |------------------------------------------------------------|
   |       DB-15 Standard       |              JP4              |
   |----------------------------+-------------------------------|
   |            AUI             |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |            DIX             |       Pins 2 & 3 closed       |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/n/S-T/40130-2.png>
   

   +------------------------------------------------------------+
   |                     DIAGNOSTIC LED(S)                      |
   |------------------------------------------------------------|
   | LED  | Status  |                 Condition                 |
   |------+---------+-------------------------------------------|
   |  1   |   On    |         Data is being transmitted         |
   |------+---------+-------------------------------------------|
   |  1   |   Off   |       Data is not being transmitted       |
   |------+---------+-------------------------------------------|
   |  2   |   On    |          Data is being received           |
   |------+---------+-------------------------------------------|
   |  2   |   Off   |        Data is not being received         |
   |------+---------+-------------------------------------------|
   |  3   |   On    |       Collision detected on network       |
   |------+---------+-------------------------------------------|
   |  3   |   Off   |     No Collisions detected on network     |
   |------+---------+-------------------------------------------|
   |  4   |   On    |  twisted pair network connection is good  |
   |------+---------+-------------------------------------------|
   |  4   |   Off   | twisted pair network connection is broken |
   |------+---------+-------------------------------------------|
   |  5   |   On    |                 Power on                  |
   |------+---------+-------------------------------------------|
   |  5   |   Off   |                 Power off                 |
   +------------------------------------------------------------+