GENOA SYSTEMS CORPORATION
=========================

   TURBOEXPRESS 586-FX

   Processor        Pentium                                       
   Processor Speed  75/90/100/120/133/150/166/180/200MHz          
   Chip Set         Intel                                         
   Video Chip Set   None                                          
   Maximum Onboard  128MB (EDO supported)                         
   Memory           
   Maximum Video    None                                          
   Memory           
   Cache            256/512KB                                     
   BIOS             Award                                         
   Dimensions       330mm x 218mm                                 
   I/O Options      32-bit PCI slots (3), floppy drive interface, 
                    green PC connector, IDE interfaces (2),       
                    parallel port, PS/2 mouse port, serial ports  
                    (2), cache slot, IR connector, VRM connector  
   NPU Options      None                                          

<gopher://bitreich.org/I/th99/m/E-H/34100-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | Serial port 2     |   CN1    | Turbo LED        |    J3    |
   |-------------------+----------+------------------+----------|
   | Serial port 1     |   CN2    | Green PC         |    J4    |
   |                   |          | connector        |          |
   |-------------------+----------+------------------+----------|
   | Parallel port     |   CN3    | IDE interface    |    J5    |
   |                   |          | LED              |          |
   |-------------------+----------+------------------+----------|
   | Floppy drive      |   CN4    | Speaker          |    J6    |
   | interface         |          |                  |          |
   |-------------------+----------+------------------+----------|
   | IDE interface 2   |   CN5    | Power LED &      |    J7    |
   |                   |          | keylock          |          |
   |-------------------+----------+------------------+----------|
   | IDE interface 1   |   CN6    | 32-bit PCI slots |  PC1 -   |
   |                   |          |                  |   PC3    |
   |-------------------+----------+------------------+----------|
   | PS/2 mouse port   |   CN7    | Cache slot       |   SL1    |
   |-------------------+----------+------------------+----------|
   | IR connector      |    J1    | VRM connector    |   VRM    |
   |-------------------+----------+------------------+----------|
   | Reset switch      |    J2    |                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function               |  Label  |  Position  |
   |-------------------------------------+---------+------------|
   |>> | CMOS memory normal operation    |  JP14   |    Open    |
   |---+---------------------------------+---------+------------|
   |   | CMOS memory clear               |  JP14   |   Closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |      Size      |       Bank 0        |       Bank 1        |
   |----------------+---------------------+---------------------|
   |      8MB       |     (2) 1M x 36     |        None         |
   |----------------+---------------------+---------------------|
   |      16MB      |     (2) 2M x 36     |        None         |
   |----------------+---------------------+---------------------|
   |      16MB      |     (2) 1M x 36     |     (2) 1M x 36     |
   |----------------+---------------------+---------------------|
   |      24MB      |     (2) 2M x 36     |     (2) 1M x 36     |
   |----------------+---------------------+---------------------|
   |      32MB      |     (2) 4M x 36     |        None         |
   |----------------+---------------------+---------------------|
   |      32MB      |     (2) 2M x 36     |     (2) 2M x 36     |
   |----------------+---------------------+---------------------|
   |      40MB      |     (2) 4M x 36     |     (2) 1M x 36     |
   |----------------+---------------------+---------------------|
   |      48MB      |     (2) 4M x 36     |     (2) 2M x 36     |
   |----------------+---------------------+---------------------|
   |      64MB      |     (2) 8M x 36     |        None         |
   |----------------+---------------------+---------------------|
   |      64MB      |     (2) 4M x 36     |     (2) 4M x 36     |
   |----------------+---------------------+---------------------|
   |      72MB      |     (2) 8M x 36     |     (2) 1M x 36     |
   |----------------+---------------------+---------------------|
   |      80MB      |     (2) 8M x 36     |     (2) 2M x 36     |
   |----------------+---------------------+---------------------|
   |      96MB      |     (2) 8M x 36     |     (2) 4M x 36     |
   |----------------+---------------------+---------------------|
   |     128MB      |     (2) 8M x 36     |     (2) 8M x 36     |
   |------------------------------------------------------------|
   | Note: Board accepts EDO memory. Banks are interchangeable. |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |   Size    |    Bank 0    |      SL1       |      TAG       |
   |-----------+--------------+----------------+----------------|
   | 256KB (A) | (2) 32K x 32 | Not installed  | (1) 8K/16K/32K |
   |           |              |                |      x 8       |
   |-----------+--------------+----------------+----------------|
   | 256KB (B) |     None     |  256KB module  |      None      |
   |           |              |   installed    |                |
   |-----------+--------------+----------------+----------------|
   | 512KB (A) | (2) 32K x 32 |  256KB module  | (1) 8K/16K/32K |
   |           |              |   installed    |      x 8       |
   |-----------+--------------+----------------+----------------|
   | 512KB (B) |     None     |  512KB module  |      None      |
   |           |              |   installed    |                |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   |   Size    |      JP30      |     JP32      |     JP33      |
   |-----------+----------------+---------------+---------------|
   | 256KB (A) |   Pins 2 & 3   |  Pins 1 & 2   |  Pins 1 & 2   |
   |           |     closed     |    closed     |    closed     |
   |-----------+----------------+---------------+---------------|
   | 256KB (B) |   Pins 1 & 2   |  Pins 2 & 3   |  Pins 1 & 2   |
   |           |     closed     |    closed     |    closed     |
   |-----------+----------------+---------------+---------------|
   | 512KB (A) |   Pins 1 & 2   |  Pins 2 & 3   |  Pins 1 & 2   |
   |           |     closed     |    closed     |    closed     |
   |-----------+----------------+---------------+---------------|
   | 512KB (B) |   Pins 1 & 2   |  Pins 2 & 3   |  Pins 1 & 2   |
   |           |     closed     |    closed     |    closed     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CPU SPEED SELECTION                     |
   |------------------------------------------------------------|
   |   CPU    | Clock  | Multiplier |   JP8    |  JP9  |  JP11  |
   |  speed   | speed  |            |          |       |        |
   |----------+--------+------------+----------+-------+--------|
   |  75MHz   | 50MHz  |    1.5x    |  1 & 2   | 1 & 2 | 1 & 2, |
   |          |        |            |          |       | 5 & 6  |
   |----------+--------+------------+----------+-------+--------|
   |  90MHz   | 60MHz  |    1.5x    |  2 & 3   | 2 & 3 | 1 & 2, |
   |          |        |            |          |       | 5 & 6  |
   |----------+--------+------------+----------+-------+--------|
   |  100MHz  | 66MHz  |    1.5x    | 1 & 2, 4 | 2 & 3 | 1 & 2, |
   |          |        |            |   & 5    |       | 5 & 6  |
   |----------+--------+------------+----------+-------+--------|
   |  120MHz  | 60MHz  |     2x     |  2 & 3   | 2 & 3 | 2 & 3, |
   |          |        |            |          |       | 5 & 6  |
   |----------+--------+------------+----------+-------+--------|
   |  133MHz  | 66MHz  |     2x     | 1 & 2, 4 | 2 & 3 | 2 & 3, |
   |          |        |            |   & 5    |       | 5 & 6  |
   |----------+--------+------------+----------+-------+--------|
   |  150MHz  | 60MHz  |    2.5x    |  2 & 3   | 2 & 3 | 2 & 3, |
   |          |        |            |          |       | 4 & 5  |
   |----------+--------+------------+----------+-------+--------|
   |  166MHz  | 66MHz  |    2.5x    | 1 & 2, 4 | 2 & 3 | 2 & 3, |
   |          |        |            |   & 5    |       | 4 & 5  |
   |----------+--------+------------+----------+-------+--------|
   |  180MHz  | 60MHz  |     3x     |  2 & 3   | 2 & 3 | 1 & 2, |
   |          |        |            |          |       | 4 & 5  |
   |----------+--------+------------+----------+-------+--------|
   |  200MHz  | 66MHz  |     3x     | 1 & 2, 4 | 2 & 3 | 1 & 2, |
   |          |        |            |   & 5    |       | 4 & 5  |
   |------------------------------------------------------------|
   | Note: Pins designated should be in the closed position.    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     CPU TYPE SELECTION                     |
   |------------------------------------------------------------|
   |            Type            |              VRM              |
   |----------------------------+-------------------------------|
   |     P54C/P54CT/P54CTB      | Pins 11 & 13, 12 & 14 closed  |
   |----------------------------+-------------------------------|
   |            P55C            |         VRM installed         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU VOLTAGE SELECTION                    |
   |------------------------------------------------------------|
   |              Voltage              |          JP13          |
   |-----------------------------------+------------------------|
   |>> |             3.3v              |          Open          |
   |---+-------------------------------+------------------------|
   |   |         3.45v - 3.6v          |         Closed         |
   +------------------------------------------------------------+