MACNET
======

   SE470E (VER. A)

   NIC Type:           Ethernet                                   
   Transfer Rate:      10Mbps                                     
   Data Bus:           32-bit SE Processor direct slot (Apple)    
   Topology:           Linear Bus                                 
                                                                  
                       Star                                       
   Wiring Type         AUI transceiver via DB-15 port             
                                                                  
                       RG-58A/U 50ohm coaxial                     
                                                                  
                       Shielded/Unshielded twisted pair           
   Boot ROM            Available                                  

<gopher://bitreich.org/I/th99/n/M-O/40854-1.png>
   

   +------------------------------------------------------------+
   |                         CABLE TYPE                         |
   |------------------------------------------------------------|
   |               Type               |           SW1           |
   |----------------------------------+-------------------------|
   |  AUI transceiver via DB-15 port  |       Position 2        |
   |----------------------------------+-------------------------|
   |      RG-58A/U 50ohm coaxial      |       Position 3        |
   |----------------------------------+-------------------------|
   | Shielded/unshielded twisted pair |       Position 1        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        ON-BOARD RAM                        |
   |------------------------------------------------------------|
   |            Setting             |            JP1            |
   |--------------------------------+---------------------------|
   |>>    |          64KB           |          Closed           |
   |------+-------------------------+---------------------------|
   |      |          16KB           |           Open            |
   |------------------------------------------------------------|
   | Note:The location of JP1 is not specified in               |
   | manufacturer's documentation.                              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                          BOOT ROM                          |
   |------------------------------------------------------------|
   |             Setting              |    JP2     |    JP3     |
   |----------------------------------+------------+------------|
   |>>     | 27128 ROM chip installed |   Closed   |    N/A     |
   |-------+--------------------------+------------+------------|
   |       | 27256 ROM chip installed |    Open    |    N/A     |
   |-------+--------------------------+------------+------------|
   |>>     |     74LS471 ROM chip     |    N/A     |   Closed   |
   |       |        installed         |            |            |
   |-------+--------------------------+------------+------------|
   |       |  PJ2 ROM chip installed  |    N/A     |    Open    |
   |------------------------------------------------------------|
   | Note:The locations of JP2 and JP3 are not specified in     |
   | manufacturer's documentation.                              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      DIAGNOSTIC LEDS                       |
   |------------------------------------------------------------|
   |  LED  | Color | Status |             Condition             |
   |-------+-------+--------+-----------------------------------|
   | LED 1 | Green |   On   |   Data is being transmitted or    |
   |       |       |        |             received              |
   |-------+-------+--------+-----------------------------------|
   | LED 1 | Green |  Off   | Data is not being transmitted or  |
   |       |       |        |             received              |
   |-------+-------+--------+-----------------------------------|
   | LED 2 |  Red  |   On   |  Twisted pair network connection  |
   |       |       |        |              is good              |
   |-------+-------+--------+-----------------------------------|
   | LED 2 |  Red  |  Off   |  Twisted pair network connection  |
   |       |       |        |             is broken             |
   +------------------------------------------------------------+