MADGE NETWORKS, LTD.
====================

   STRAIGHT BLUE 16/4 ISA ADAPTER

   NIC Type         Token Ring                                    
   Transfer Rate    4/16Mbps                                      
   Data Bus         8-bit ISA                                     
   Topology         Ring                                          
   Wiring Type      Shielded twisted pair                         
   Boot ROM         Not available                                 

<gopher://bitreich.org/I/th99/n/M-O/40721-1.png>
   

   +------------------------------------------------------------+
   |                    BASE ADDRESS SELECT                     |
   |------------------------------------------------------------|
   |  Address   | SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 |
   |------------+-------+-------+-------+-------+-------+-------|
   |>> | CC000h |  On   |  Off  |  Off  |  On   |  On   |  Off  |
   |---+--------+-------+-------+-------+-------+-------+-------|
   |   | DC000h |  On   |  Off  |  On   |  On   |  On   |  Off  |
   |------------------------------------------------------------|
   |   Note:Use address CC000h when the Straight blue is the    |
   |   primary or sole adapter, and address DC000h when the     |
   |   Straight blue is the alternate adapter.                  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   DATA BUS TRANSFER RATE                   |
   |------------------------------------------------------------|
   |            Setting             |          SW1/12           |
   |--------------------------------+---------------------------|
   |>>  |           4Mbps           |            Off            |
   |----+---------------------------+---------------------------|
   |    |          16Mbps           |            On             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      INTERRUPT SELECT                      |
   |------------------------------------------------------------|
   |         IRQ          |      SW1/7       |      SW1/8       |
   |----------------------+------------------+------------------|
   |>> |       IRQ2       |       Off        |       Off        |
   |---+------------------+------------------+------------------|
   |   |       IRQ3       |       Off        |        On        |
   |---+------------------+------------------+------------------|
   |   |       IRQ7       |        On        |        On        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 PRIMARY/ALTERNATE ADAPTER                  |
   |------------------------------------------------------------|
   |                  Setting                   |     SW1/9     |
   |--------------------------------------------+---------------|
   |>> |  Straight blue as primary LAN adapter  |      On       |
   |---+----------------------------------------+---------------|
   |   | Straight blue as alternate LAN adapter |      Off      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         SHARED RAM                         |
   |------------------------------------------------------------|
   |        Setting         |     SW1/10      |     SW1/11      |
   |------------------------+-----------------+-----------------|
   |>> |  16KB shared RAM   |       On        |       Off       |
   |---+--------------------+-----------------+-----------------|
   |   |   8KB shared RAM   |       Off       |       Off       |
   |---+--------------------+-----------------+-----------------|
   |   |  32KB shared RAM   |       Off       |       On        |
   |---+--------------------+-----------------+-----------------|
   |   |  64KB shared RAM   |       On        |       On        |
   +------------------------------------------------------------+