NORTHGATE COMPUTER SYSTEMS, INC.
================================

   ELEGANCE 386 (REV. 2)

   Processor    80386DX                                           
   Processor    20/25/33MHz                                       
   Speed        
   Chip Set     VLSI                                              
   Max. Onboard 8MB                                               
   DRAM         
   Cache        64/256KB                                          
   BIOS         AMI                                               
   Dimensions   330 x 220                                         
   I/O Options  32-bit external memory card, parallel port,       
                serial ports (2)                                  
   NPU Options  80387DX                                           

<gopher://bitreich.org/I/th99/m/M-O/31684-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose        | Location | Purpose             | Location |
   |----------------+----------+---------------------+----------|
   | Turbo LED      |    J3    | Serial port (COM2)  |   J10    |
   |----------------+----------+---------------------+----------|
   | Power LED &    |    J4    | 32-bit external     |    S1    |
   | keylock        |          | memory card         |          |
   |----------------+----------+---------------------+----------|
   | Speaker        |    J5    | 32-bit system       |    S4    |
   |                |          | memory card         |          |
   |----------------+----------+---------------------+----------|
   | Reset switch   |    J6    | Hard Reset          |    W5    |
   |----------------+----------+---------------------+----------|
   | Parallel port  |    J8    | Turbo switch        |    W6    |
   |----------------+----------+---------------------+----------|
   | Serial port    |    J9    |                     |          |
   | (COM1)         |          |                     |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |           Function            | Jumper/Switch |  Position  |
   |-------------------------------+---------------+------------|
   |>> | Factory configured - do   |      W1       |    Open    |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |      W4       | pins 2 & 3 |
   |   | not alter                 |               |   closed   |
   |---+---------------------------+---------------+------------|
   |>> | Monitor type select color |      W7       | pins 2 & 3 |
   |   |                           |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | Monitor type select       |      W7       | pins 1 & 2 |
   |   | monochrome                |               |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |   W8   |   W9   |
   |------+--------+--------+--------+--------+--------+--------|
   | 1MB  |  (4)   |  NONE  |  NONE  |  NONE  | pins 2 | pins 2 |
   |      | 256K x |        |        |        |  & 3   |  & 3   |
   |      |   9    |        |        |        |        |        |
   |------+--------+--------+--------+--------+--------+--------|
   | 2MB  |  (4)   |  (4)   |  NONE  |  NONE  | pins 2 | pins 2 |
   |      | 256K x | 256K x |        |        |  & 3   |  & 3   |
   |      |   9    |   9    |        |        |        |        |
   |------+--------+--------+--------+--------+--------+--------|
   | 4MB  | (4) 1M |  NONE  |  NONE  |  NONE  | pins 1 | pins 1 |
   |      |  x 9   |        |        |        |  & 2   |  & 2   |
   |------+--------+--------+--------+--------+--------+--------|
   | 8MB  | (4) 1M | (4) 1M |  NONE  |  NONE  | pins 1 | pins 1 |
   |      |  x 9   |  x 9   |        |        |  & 2   |  & 2   |
   |------+--------+--------+--------+--------+--------+--------|
   | 12MB | (4) 1M | (4) 1M | (4) 1M |  NONE  | pins 1 | pins 1 |
   |      |  x 9   |  x 9   |  x 9   |        |  & 2   |  & 2   |
   |------+--------+--------+--------+--------+--------+--------|
   | 16MB | (4) 1M | (4) 1M | (4) 1M | (4) 1M | pins 1 | pins 1 |
   |      |  x 9   |  x 9   |  x 9   |  x 9   |  & 2   |  & 2   |
   |------------------------------------------------------------|
   | Note:Banks 2 & 3 may be found on the external memory card. |
   |                                                            |
   | Pins designated should be in the closed position.          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DRAM JUMPER CONFIGURATION                  |
   |------------------------------------------------------------|
   | System  |   External   | SW1/1  | SW1/2  | SW1/3  | SW1/4  |
   | memory  |    memory    |        |        |        |        |
   |---------+--------------+--------+--------+--------+--------|
   |   1MB   |     0MB      | Closed | Closed | Closed | Closed |
   |---------+--------------+--------+--------+--------+--------|
   |   2MB   |     0MB      |  Open  |  Open  |  Open  |  Open  |
   |---------+--------------+--------+--------+--------+--------|
   |   4MB   |     0MB      | Closed | Closed | Closed | Closed |
   |---------+--------------+--------+--------+--------+--------|
   |   8MB   |     0MB      | Closed |  Open  |  Open  |  Open  |
   |---------+--------------+--------+--------+--------+--------|
   |   8MB   |     4MB      |  Open  | Closed |  Open  |  Open  |
   |---------+--------------+--------+--------+--------+--------|
   |   8MB   |     8MB      |  Open  |  Open  |  Open  |  Open  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size    |     Cache     |   Location    |      TAG      |
   |------------+---------------+---------------+---------------|
   |    64KB    |  (8) 64K x 1  |  Banks 0 & 1  |  (2) 64K x 1  |
   |------------+---------------+---------------+---------------|
   |   256KB    |  (8) 64K x 4  |  Banks 0 & 1  |  (2) 64K x 4  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   |       Size       |         W2         |         W3         |
   |------------------+--------------------+--------------------|
   |       64KB       | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |------------------+--------------------+--------------------|
   |      256KB       | pins 2 & 3 closed  | pins 2 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |     LPT      | IRQ  |  SW2/3  |  SW2/4  |  SW3/3  | SW3/4  |
   |--------------+------+---------+---------+---------+--------|
   |>> |    1     |  5   |  Open   |  Open   | Closed  |  Open  |
   |---+----------+------+---------+---------+---------+--------|
   |   |    2     |  7   |  Open   | Closed  |  Open   | Closed |
   |---+----------+------+---------+---------+---------+--------|
   |>> |    1     |  7   |  Open   |  Open   |  Open   | Closed |
   |---+----------+------+---------+---------+---------+--------|
   |   |    2     |  5   |  Open   | Closed  | Closed  |  Open  |
   |---+----------+------+---------+---------+---------+--------|
   |   | Disabled | N/A  | Closed  |   N/A   |   N/A   |  N/A   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 SERIAL PORT CONFIGURATION                  |
   |------------------------------------------------------------|
   |Port 1 (J9) |Port 2 (J10)| SW2/1  | SW2/2  | SW3/1  | SW3/2 |
   |------------+------------+--------+--------+--------+-------|
   |>>|COM1/IRQ4 | COM2/IRQ3  |  Open  |  Open  | Closed |Closed |
   |-+----------+------------+--------+--------+--------+-------|
   | |COM1/IRQ4 |  Disabled  |  Open  | Closed | Closed | Open  |
   |-+----------+------------+--------+--------+--------+-------|
   | | Disabled | COM2/IRQ3  | Closed |  Open  |  Open  |Closed |
   |-+----------+------------+--------+--------+--------+-------|
   | | Disabled |  Disabled  | Closed | Closed |  Open  | Open  |
   +------------------------------------------------------------+