ZENITH DATA SYSTEMS
===================

   Z-STATION LX PRO

   Device Type      Mainboard                                     
   Processor        Pentium Pro                                   
   Processor Speed  150/166/180/200MHz                            
   Chip Set         Unidentified                                  
   Video Chip Set   None                                          
   Maximum Onboard  256MB (EDO supported)                         
   Memory           
   Maximum Video    None                                          
   Memory           
   Cache            256/512KB (located on the Pentium Pro CPU)    
   BIOS             Unidentified                                  
   Dimensions       Unidentified                                  
   I/O Options      32-bit PCI slots (4), CD-ROM interface,       
                    floppy drive interface, green PC connector,   
                    IDE interfaces (2), parallel port, PS/2 mouse 
                    port, serial ports (2), wavetable connector,  
                    RJ-11 connector, IR connector                 

<gopher://bitreich.org/I/th99/m/U-Z/35529-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose         | Location | Purpose          |  Location  |
   |-----------------+----------+------------------+------------|
   | Wavetable       |   J1E1   | IDE interface 1  |    J9J1    |
   | connector       |          |                  |            |
   |-----------------+----------+------------------+------------|
   | Audio in -      |   J1E2   | Floppy drive     |    J9J2    |
   | CD-ROM          |          | interface        |            |
   |-----------------+----------+------------------+------------|
   | Telephony       |   J1F1   | Green PC         | J10H1/pins |
   | connector       |          | connector        |   1 - 6    |
   |-----------------+----------+------------------+------------|
   | Serial port 1   |   J1J1   | IR connector     | J10H1/pins |
   |                 |          |                  |   8 - 12   |
   |-----------------+----------+------------------+------------|
   | Parallel port   |   J1J2   | IDE interface    | J10H1/pins |
   |                 |          | LED              |  15 - 17   |
   |-----------------+----------+------------------+------------|
   | Serial port 2   |   J1K1   | Power LED        | J10H1/pins |
   |                 |          |                  |  18 - 20   |
   |-----------------+----------+------------------+------------|
   | PS/2 mouse port |   J1M1   | Reset switch     | J10H1/pins |
   |                 |          |                  |  21 - 23   |
   |-----------------+----------+------------------+------------|
   | CPU fan power   |   J7M1   | Speaker          | J10H1/pins |
   |                 |          |                  |  24 - 27   |
   |-----------------+----------+------------------+------------|
   | IDE interface 2 |   J8J1   | 32-bit PCI slots | PC1 - PC4  |
   |-----------------+----------+------------------+------------|
   | Auxiliary fan   |   J9A1   |                  |            |
   | power           |          |                  |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |             Function             | Label |    Position     |
   |----------------------------------+-------+-----------------|
   |>> | CMOS setup access enabled    | J6D1  |  Pins 28 & 30   |
   |   |                              |       |     closed      |
   |---+------------------------------+-------+-----------------|
   |   | CMOS setup access disabled   | J6D1  |  Pins 26 & 28   |
   |   |                              |       |     closed      |
   |---+------------------------------+-------+-----------------|
   |>> | CMOS memory normal operation | J6D1  |  Pins 20 & 22   |
   |   |                              |       |     closed      |
   |---+------------------------------+-------+-----------------|
   |   | CMOS memory clear            | J6D1  |  Pins 18 & 20   |
   |   |                              |       |     closed      |
   |---+------------------------------+-------+-----------------|
   |>> | Password normal operation    | J6D1  |  Pins 27 & 29   |
   |   |                              |       |     closed      |
   |---+------------------------------+-------+-----------------|
   |   | Password memory clear        | J6D1  |  Pins 25 & 27   |
   |   |                              |       |     closed      |
   |---+------------------------------+-------+-----------------|
   |>> | BIOS normal operation        | J6D1  |   Pins 4 & 6    |
   |   |                              |       |     closed      |
   |---+------------------------------+-------+-----------------|
   |   | BIOS recovery mode           | J6D1  |   Pins 2 & 4    |
   |   |                              |       |     closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     SIMM 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     |
   |------------------+--------------------+--------------------|
   |      128MB       |    (2) 16M x 36    |        None        |
   |------------------+--------------------+--------------------|
   |      136MB       |    (2) 16M x 36    |    (2) 1M x 36     |
   |------------------+--------------------+--------------------|
   |      144MB       |    (2) 16M x 36    |    (2) 2M x 36     |
   |------------------+--------------------+--------------------|
   |      160MB       |    (2) 16M x 36    |    (2) 4M x 36     |
   |------------------+--------------------+--------------------|
   |      192MB       |    (2) 16M x 36    |    (2) 8M x 36     |
   |------------------+--------------------+--------------------|
   |      256MB       |    (2) 16M x 36    |    (2) 16M x 36    |
   |------------------------------------------------------------|
   | Note: Board accepts EDO memory.                            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               CPU SPEED SELECTION (PENTIUM)                |
   |------------------------------------------------------------|
   |   CPU   | Clock  | Multiplier |            J6D1            |
   |  speed  | speed  |            |                            |
   |---------+--------+------------+----------------------------|
   | 150MHz  | 60MHz  |    2.5x    | Pins 10 & 12, 11& 13, 17 & |
   |         |        |            |         19 Closed          |
   |---------+--------+------------+----------------------------|
   | 166MHz  | 66MHz  |    2.5x    | Pins 10 & 12, 11 & 13, 19  |
   |         |        |            |        & 21 closed         |
   |---------+--------+------------+----------------------------|
   | 180MHz  | 60MHz  |     3x     | Pins 9 & 11, 12 & 14, 17 & |
   |         |        |            |         19 closed          |
   |---------+--------+------------+----------------------------|
   | 200MHz  | 66MHz  |     3x     | Pins 9 & 11, 12 & 14, 19 & |
   |         |        |            |         21 closed          |
   +------------------------------------------------------------+