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       # AMERICAN MEGATRENDS, INC.
       
          FAST LAN/SCSI VLB
       
           Data bus:                 32-bit, VL-bus                      
       
           Size:                     Full-length, full-height card       
       
           Hard drive supported:     Up to seven SCSI devices            
       
           Floppy drives supported:  None                                
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |                  Function                   |   Location   |
          |---------------------------------------------+--------------|
          | 50-pin SCSI connector - internal            |     CN1      |
          |---------------------------------------------+--------------|
          | 64-pin SCSI connector - internal            |     CN2      |
          |---------------------------------------------+--------------|
          | 15-pin AUI Transceiver connector - internal |     CN3      |
          |---------------------------------------------+--------------|
          | 4-pin RJ11 connector - external             |     CN4      |
          |---------------------------------------------+--------------|
          | 50-pin SCSI connector - external            |     CN5      |
          |---------------------------------------------+--------------|
          | 2-pin connector-Drive active LED            |     J04      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |            Function             | Location |    Setting    |
          |---------------------------------+----------+---------------|
          | » | SCSI termination 1 disabled |   J06    |    closed     |
          |---+-----------------------------+----------+---------------|
          |   | SCSI termination 1 enabled  |   J06    |     open      |
          |---+-----------------------------+----------+---------------|
          | » | SCSI termination 2 disabled |   J07    |    closed     |
          |---+-----------------------------+----------+---------------|
          |   | SCSI termination 2 enabled  |   J07    |     open      |
          |---+-----------------------------+----------+---------------|
          | » | VESA burst mode disabled    |   J08    |    closed     |
          |---+-----------------------------+----------+---------------|
          |   | VESA burst mode enabled     |   J08    |     open      |
          |---+-----------------------------+----------+---------------|
          | » | ISA mode enabled            |   J20    |  pins 1 & 2   |
          |   |                             |          |    closed     |
          |---+-----------------------------+----------+---------------|
          |   | EISA mode enabled           |   J20    |  pins 2 & 3   |
          |   |                             |          |    closed     |
          |---+-----------------------------+----------+---------------|
          | » | SCSI enabled                |   J24    |  pins 1 & 2   |
          |   |                             |          |    closed     |
          |---+-----------------------------+----------+---------------|
          |   | SCSI disabled               |   J24    |  pins 2 & 3   |
          |   |                             |          |    closed     |
          |---+-----------------------------+----------+---------------|
          | » | LAN enabled                 |   J25    |  pins 1 & 2   |
          |   |                             |          |    closed     |
          |---+-----------------------------+----------+---------------|
          |   | LAN disabled                |   J25    |  pins 2 & 3   |
          |   |                             |          |    closed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        BIOS ADDRESS                        |
          |------------------------------------------------------------|
          |   Address    |        J10        |    J11     |    J12     |
          |--------------+-------------------+------------+------------|
          | » |  C8000h  | pins 2 & 3 closed | pins 2 & 3 | pins 2 & 3 |
          |   |          |                   |   closed   |   closed   |
          |---+----------+-------------------+------------+------------|
          |   |  CC000h  | pins 1 & 2 closed | pins 2 & 3 | pins 2 & 3 |
          |   |          |                   |   closed   |   closed   |
          |---+----------+-------------------+------------+------------|
          |   |  D0000h  | pins 2 & 3 closed | pins 1 & 2 | pins 2 & 3 |
          |   |          |                   |   closed   |   closed   |
          |---+----------+-------------------+------------+------------|
          |   |  D4000h  | pins 1 & 2 closed | pins 1 & 2 | pins 2 & 3 |
          |   |          |                   |   closed   |   closed   |
          |---+----------+-------------------+------------+------------|
          |   |  D8000h  | pins 2 & 3 closed | pins 2 & 3 | pins 1 & 2 |
          |   |          |                   |   closed   |   closed   |
          |---+----------+-------------------+------------+------------|
          |   | Disabled | pins 1 & 2 closed | pins 1 & 2 | pins 1 & 2 |
          |   |          |                   |   closed   |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |        SCSI AND LAN INTERRUPT REQUEST CONFIGURATION        |
          |------------------------------------------------------------|
          |   SCSI IRQ   | LAN  |  J13  |  J14  |  J15  |  J16  | J17  |
          |              | IRQ  |       |       |       |       |      |
          |--------------+------+-------+-------+-------+-------+------|
          | » |    10    |  15  | pins  | pins  | pins  | pins  | pins |
          |   |          |      | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 &  |
          |   |          |      |       |       |       |       |  3   |
          |---+----------+------+-------+-------+-------+-------+------|
          |   |    10    |  5   | pins  | pins  | pins  | pins  | pins |
          |   |          |      | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 | 2 &  |
          |   |          |      |       |       |       |       |  3   |
          |---+----------+------+-------+-------+-------+-------+------|
          |   |    10    |  11  | pins  | pins  | pins  | pins  | pins |
          |   |          |      | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | 2 &  |
          |   |          |      |       |       |       |       |  3   |
          |---+----------+------+-------+-------+-------+-------+------|
          |   |    10    |  12  | pins  | pins  | pins  | pins  | pins |
          |   |          |      | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 | 2 &  |
          |   |          |      |       |       |       |       |  3   |
          |---+----------+------+-------+-------+-------+-------+------|
          |   |    11    |  5   | pins  | pins  | pins  | pins  | pins |
          |   |          |      | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | 2 &  |
          |   |          |      |       |       |       |       |  3   |
          |---+----------+------+-------+-------+-------+-------+------|
          |   |    11    |  10  | pins  | pins  | pins  | pins  | pins |
          |   |          |      | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | 2 &  |
          |   |          |      |       |       |       |       |  3   |
          |---+----------+------+-------+-------+-------+-------+------|
          |   |    11    |  12  | pins  | pins  | pins  | pins  | pins |
          |   |          |      | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 | 2 &  |
          |   |          |      |       |       |       |       |  3   |
          |---+----------+------+-------+-------+-------+-------+------|
          |   |    11    |  15  | pins  | pins  | pins  | pins  | pins |
          |   |          |      | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 | 2 &  |
          |   |          |      |       |       |       |       |  3   |
          |---+----------+------+-------+-------+-------+-------+------|
          |   |    12    |  5   | pins  | pins  | pins  | pins  | pins |
          |   |          |      | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2 | 2 &  |
          |   |          |      |       |       |       |       |  3   |
          |---+----------+------+-------+-------+-------+-------+------|
          |   |    12    |  10  | pins  | pins  | pins  | pins  | pins |
          |   |          |      | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 | 2 &  |
          |   |          |      |       |       |       |       |  3   |
          |---+----------+------+-------+-------+-------+-------+------|
          |   |    12    |  11  | pins  | pins  | pins  | pins  | pins |
          |   |          |      | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 | 2 &  |
          |   |          |      |       |       |       |       |  3   |
          |---+----------+------+-------+-------+-------+-------+------|
          |   |    12    |  15  | pins  | pins  | pins  | pins  | pins |
          |   |          |      | 1 & 2 | 1 & 2 | 2 & 3 | 1 & 2 | 2 &  |
          |   |          |      |       |       |       |       |  3   |
          |---+----------+------+-------+-------+-------+-------+------|
          |   |    15    |  5   | pins  | pins  | pins  | pins  | pins |
          |   |          |      | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 | 2 &  |
          |   |          |      |       |       |       |       |  3   |
          |---+----------+------+-------+-------+-------+-------+------|
          |   |    15    |  10  | pins  | pins  | pins  | pins  | pins |
          |   |          |      | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2 | 2 &  |
          |   |          |      |       |       |       |       |  3   |
          |---+----------+------+-------+-------+-------+-------+------|
          |   |    15    |  11  | pins  | pins  | pins  | pins  | pins |
          |   |          |      | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 | 2 &  |
          |   |          |      |       |       |       |       |  3   |
          |---+----------+------+-------+-------+-------+-------+------|
          |   |    15    |  12  | pins  | pins  | pins  | pins  | pins |
          |   |          |      | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 2 &  |
          |   |          |      |       |       |       |       |  3   |
          |---+----------+------+-------+-------+-------+-------+------|
          |   |    14    |  5   | pins  | pins  | pins  | pins  | pins |
          |   |          |      | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 1 &  |
          |   |          |      |       |       |       |       |  2   |
          |---+----------+------+-------+-------+-------+-------+------|
          |   |    14    |  10  | pins  | pins  | pins  | pins  | pins |
          |   |          |      | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 | 1 &  |
          |   |          |      |       |       |       |       |  2   |
          |---+----------+------+-------+-------+-------+-------+------|
          |   |    14    |  11  | pins  | pins  | pins  | pins  | pins |
          |   |          |      | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | 1 &  |
          |   |          |      |       |       |       |       |  2   |
          |---+----------+------+-------+-------+-------+-------+------|
          |   |    14    |  12  | pins  | pins  | pins  | pins  | pins |
          |   |          |      | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 | 1 &  |
          |   |          |      |       |       |       |       |  2   |
          |---+----------+------+-------+-------+-------+-------+------|
          |   |    5     |  15  | pins  | pins  | pins  | pins  | pins |
          |   |          |      | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | 1 &  |
          |   |          |      |       |       |       |       |  2   |
          |---+----------+------+-------+-------+-------+-------+------|
          |   |    5     |  10  | pins  | pins  | pins  | pins  | pins |
          |   |          |      | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | 1 &  |
          |   |          |      |       |       |       |       |  2   |
          |---+----------+------+-------+-------+-------+-------+------|
          |   |    5     |  11  | pins  | pins  | pins  | pins  | pins |
          |   |          |      | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 | 1 &  |
          |   |          |      |       |       |       |       |  2   |
          |---+----------+------+-------+-------+-------+-------+------|
          |   |    5     |  12  | pins  | pins  | pins  | pins  | pins |
          |   |          |      | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 | 1 &  |
          |   |          |      |       |       |       |       |  2   |
          |---+----------+------+-------+-------+-------+-------+------|
          |   |    10    |  14  | pins  | pins  | pins  | pins  | pins |
          |   |          |      | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2 | 1 &  |
          |   |          |      |       |       |       |       |  2   |
          |---+----------+------+-------+-------+-------+-------+------|
          |   |    11    |  14  | pins  | pins  | pins  | pins  | pins |
          |   |          |      | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 | 1 &  |
          |   |          |      |       |       |       |       |  2   |
          |---+----------+------+-------+-------+-------+-------+------|
          |   |    12    |  14  | pins  | pins  | pins  | pins  | pins |
          |   |          |      | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 | 1 &  |
          |   |          |      |       |       |       |       |  2   |
          |---+----------+------+-------+-------+-------+-------+------|
          |   |    15    |  14  | pins  | pins  | pins  | pins  | pins |
          |   |          |      | 1 & 2 | 1 & 2 | 2 & 3 | 1 & 2 | 1 &  |
          |   |          |      |       |       |       |       |  2   |
          |---+----------+------+-------+-------+-------+-------+------|
          |   |    14    |  15  | pins  | pins  | pins  | pins  | pins |
          |   |          |      | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 | 1 &  |
          |   |          |      |       |       |       |       |  2   |
          |---+----------+------+-------+-------+-------+-------+------|
          |   |    5     |  14  | pins  | pins  | pins  | pins  | pins |
          |   |          |      | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2 | 1 &  |
          |   |          |      |       |       |       |       |  2   |
          |---+----------+------+-------+-------+-------+-------+------|
          |   | Disabled | n/a  | pins  | pins  | pins  | pins  | pins |
          |   |          |      | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 &  |
          |   |          |      |       |       |       |       |  2   |
          |------------------------------------------------------------|
          | Note: pins designated should be in the closed position.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               SCSI AND LAN I/O PORT ADDRESS                |
          |------------------------------------------------------------|
          |    SCSI    |   LAN    | Jumper J21  |  Jumper   |  Jumper  |
          |  Address   | Address  |             |    J22    |   J23    |
          |------------+----------+-------------+-----------+----------|
          | » | 0200h  |  0600h   | pins 2 & 3  | pins 2 &  | pins 2 & |
          |   |        |          |   closed    | 3 closed  | 3 closed |
          |---+--------+----------+-------------+-----------+----------|
          |   | 1200h  |  1600h   | pins 1 & 2  | pins 2 &  | pins 2 & |
          |   |        |          |   closed    | 3 closed  | 3 closed |
          |---+--------+----------+-------------+-----------+----------|
          |   | 2200h  |  2600h   | pins 2 & 3  | pins 1 &  | pins 2 & |
          |   |        |          |   closed    | 2 closed  | 3 closed |
          |---+--------+----------+-------------+-----------+----------|
          |   | 0300h  |  0700h   | pins 1 & 2  | pins 1 &  | pins 2 & |
          |   |        |          |   closed    | 2 closed  | 3 closed |
          |---+--------+----------+-------------+-----------+----------|
          |   | 1300h  |  1700h   | pins 2 & 3  | pins 2 &  | pins 1 & |
          |   |        |          |   closed    | 3 closed  | 2 closed |
          |---+--------+----------+-------------+-----------+----------|
          |   | 2300h  |  2700h   | pins 1 & 2  | pins 2 &  | pins 1 & |
          |   |        |          |   closed    | 3 closed  | 2 closed |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      VLB CARD NUMBER                       |
          |------------------------------------------------------------|
          |   Card Number    |     Jumper J26     |     Jumper J27     |
          |------------------+--------------------+--------------------|
          | »    |     0     | pins 2 & 3 closed  | pins 2 & 3 closed  |
          |------+-----------+--------------------+--------------------|
          |      |     1     | pins 1 & 2 closed  | pins 2 & 3 closed  |
          |------+-----------+--------------------+--------------------|
          |      |     2     | pins 2 & 3 closed  | pins 1 & 2 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        STATUS LEDS                         |
          |------------------------------------------------------------|
          |         LED         |      Status       |     Function     |
          |---------------------+-------------------+------------------|
          | Red                 |     blinking      |  SCSI activity   |
          |---------------------+-------------------+------------------|
          | Green               |     blinking      |  LAN send data   |
          |---------------------+-------------------+------------------|
          | Yellow              |     blinking      | LAN receive data |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               MISCELLANEOUS TECHNICAL NOTES                |
          |------------------------------------------------------------|
          |  Jumpers J05, and J19 are factory configured to the open   |
          |  position, jumper J28 is factory configured to the closed  |
          |          position - do not alter these settings.           |
          +------------------------------------------------------------+