OGIVAR, INC.
============

   SX386

   Processor         80386SX                                      
   Processor Speed   12/16MHz                                     
   Chip Set          VLSI                                         
   Max. Onboard DRAM 2MB                                          
   Cache             None                                         
   BIOS              Unidentified                                 
   Dimensions        330mm x 218mm                                
   I/O Options       None                                         
   NPU Options       80387SX                                      

<gopher://bitreich.org/I/th99/m/M-O/32869-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose        | Location | Purpose             | Location |
   |----------------+----------+---------------------+----------|
   | Turbo switch   |   J14    | Power LED & keylock |    P5    |
   |----------------+----------+---------------------+----------|
   | Speaker        |    P3    | External battery    |    P8    |
   |----------------+----------+---------------------+----------|
   | Reset switch   |    P4    |                     |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |           Function            | Jumper/Switch |  Position  |
   |-------------------------------+---------------+------------|
   |>> | AT bus clock speed select |      J2       | pins 1 & 2 |
   |   | 8MHz                      |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | AT bus clock speed select |      J2       | pins 2 & 3 |
   |   | 12MHz                     |               |   closed   |
   |---+---------------------------+---------------+------------|
   |>> | BIOS type select 27256    |      J4       | pins 2 & 3 |
   |   |                           |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | BIOS type select 27128    |      J4       | pins 1 & 2 |
   |   |                           |               |   closed   |
   |---+---------------------------+---------------+------------|
   |>> | Battery type select       |      J7       |   Closed   |
   |   | alkali                    |               |            |
   |---+---------------------------+---------------+------------|
   |   | Battery type select       |      J7       |    Open    |
   |   | lithium                   |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Power good signal detect  |      J8       | pins 2 & 3 |
   |   | from power supply         |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | Power good signal detect  |      J8       | pins 1 & 2 |
   |   | from board                |               |   closed   |
   |---+---------------------------+---------------+------------|
   |>> | Memory wait state select  |      J11      |   Closed   |
   |   | 0 wait states             |               |            |
   |---+---------------------------+---------------+------------|
   |   | Memory wait state select  |      J11      |    Open    |
   |   | 1 wait state              |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Memory page interleave    |      J12      |    Open    |
   |   | enabled                   |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Memory page interleave    |      J12      |   Closed   |
   |   | disabled                  |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Turbo enabled             |      J14      |    Open    |
   |---+---------------------------+---------------+------------|
   |   | Turbo disabled            |      J14      |   Closed   |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |     SW1/1     |    Off     |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |     SW1/2     |    Off     |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Monitor type select color |     SW1/3     |     On     |
   |---+---------------------------+---------------+------------|
   |   | Monitor type select       |     SW1/3     |    Off     |
   |   | monochrome                |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |     SW1/4     |    Off     |
   |   | not alter                 |               |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |  Size  |   Bank 0   |   Bank 1   |   Bank 2   |   Bank 3   |
   |--------+------------+------------+------------+------------|
   | 512KB  | (4) 44256  |    NONE    |    NONE    |    NONE    |
   |--------+------------+------------+------------+------------|
   |  1MB   | (4) 44256  | (4) 44256  |    NONE    |    NONE    |
   |--------+------------+------------+------------+------------|
   | 1.5MB  | (4) 44256  | (4) 44256  | (4) 44256  |    NONE    |
   |--------+------------+------------+------------+------------|
   |  2MB   | (4) 44256  | (4) 44256  | (4) 44256  | (4) 44256  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DRAM PARITY CONFIGURATION                  |
   |------------------------------------------------------------|
   |  Size  |  Parity 0  |  Parity 1  |  Parity 2  |  Parity 3  |
   |--------+------------+------------+------------+------------|
   | 512KB  | (2) 41256  |    NONE    |    NONE    |    NONE    |
   |--------+------------+------------+------------+------------|
   |  1MB   | (2) 41256  | (2) 41256  |    NONE    |    NONE    |
   |--------+------------+------------+------------+------------|
   | 1.5MB  | (2) 41256  | (2) 41256  | (2) 41256  |    NONE    |
   |--------+------------+------------+------------+------------|
   |  2MB   | (2) 41256  | (2) 41256  | (2) 41256  | (2) 41256  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  CPU SPEED CONFIGURATION                   |
   |------------------------------------------------------------|
   |      Speed       |         J3         |        J10         |
   |------------------+--------------------+--------------------|
   |      12MHz       | pins 2 & 3 closed  |        Open        |
   |------------------+--------------------+--------------------|
   |      16MHz       | pins 1 & 2 closed  | pins 1 & 2 closed  |
   +------------------------------------------------------------+