SUK JUNG ELECTRONIC CO., LTD.
=============================

   SJ-PTM HX

   Processor        CX M1/AM K5/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       272mm x 220mm                                 
   I/O Options      32-bit PCI slots (3), CD-ROM interface,       
                    floppy drive interface, game port, green PC   
                    connector, IDE interfaces (2), parallel port, 
                    PS/2 mouse interface, serial ports (2), cache 
                    slot, IR connector, USB connectors (2), audio 
                    connector                                     
   NPU Options      None                                          

<gopher://bitreich.org/I/th99/m/S-T/33811-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | IR connector      |   CN1    | Green PC LED     |   J34    |
   |-------------------+----------+------------------+----------|
   | CD-ROM interface  |   CN2    | Green PC         |   JP11   |
   |                   |          | connector        |          |
   |-------------------+----------+------------------+----------|
   | Floppy drive      |   CN3    | Power LED &      |   JP12   |
   | interface         |          | keylock          |          |
   |-------------------+----------+------------------+----------|
   | Serial port 1     |   CN4    | Reset switch     |   JP13   |
   |-------------------+----------+------------------+----------|
   | Serial port 2     |   CN5    | Game interface   |   JP25   |
   |-------------------+----------+------------------+----------|
   | Parallel port     |   CN7    | Audio connector  |   JP26   |
   |-------------------+----------+------------------+----------|
   | PS/2 mouse        |   J13    | 32-bit PCI slots |  PC1 -   |
   | interface         |          |                  |   PC3    |
   |-------------------+----------+------------------+----------|
   | IDE interface 2   |   J19    | Cache slot       |   SL1    |
   |-------------------+----------+------------------+----------|
   | IDE interface 1   |   J20    | USB connector 1  |   UP1    |
   |-------------------+----------+------------------+----------|
   | Speaker           |   J31    | USB connector 2  |   UP2    |
   |-------------------+----------+------------------+----------|
   | IDE interface LED |   J32    |                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function                | Label |  Position  |
   |---------------------------------------+-------+------------|
   |>> | Sound enabled                     |  J10  | Pins 1 & 2 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | Sound disabled                    |  J10  | Pins 2 & 3 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | Flash BIOS voltage select 12v     |  JP5  | Pins 1 & 2 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | Flash BIOS voltage select 5v      |  JP5  | Pins 2 & 3 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |>> | CMOS memory normal operation      |  JP6  |    Open    |
   |---+-----------------------------------+-------+------------|
   |   | CMOS memory clear                 |  JP6  |   Closed   |
   |---+-----------------------------------+-------+------------|
   |>> | Factory configured - do not alter |  JP7  | Pins 1 & 2 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |>> | Factory configured - do not alter |  JP8  |    Open    |
   |---+-----------------------------------+-------+------------|
   |>> | Factory configured - do not alter |  JP9  |    Open    |
   |---+-----------------------------------+-------+------------|
   |>> | Sound to PC speaker               | JP14  |    Open    |
   |---+-----------------------------------+-------+------------|
   |   | Sound to onboard sound card       | JP14  |   Closed   |
   |---+-----------------------------------+-------+------------|
   |>> | Factory configured - do not alter | JP20  |    Open    |
   |---+-----------------------------------+-------+------------|
   |>> | Factory configured - do not alter | JP21  | Pins 2 & 3 |
   |   |                                   |       |   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     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DRAM CONFIGURATION (CON'T)                 |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       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.                            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size  |    Bank 0    |          SL1          |     TAG     |
   |-------+--------------+-----------------------+-------------|
   | 256KB | (2) 32K x 32 |     Not installed     | (1) 32K x 8 |
   |-------+--------------+-----------------------+-------------|
   | 512KB | (2) 32K x 32 |     256KB module      | (1) 32K x 8 |
   |       |              |       installed       |             |
   |-------+--------------+-----------------------+-------------|
   | 512KB | (2) 64K x 32 |     Not installed     | (1) 32K x 8 |
   |-------+--------------+-----------------------+-------------|
   | 512KB |     None     |     512KB module      |    None     |
   |       |              |       installed       |             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   |    Size    |               J12               |    JP16     |
   |------------+---------------------------------+-------------|
   |    None    |    Pins 3 & 4, 6 & 7 closed     |    Open     |
   |------------+---------------------------------+-------------|
   |   256KB    | Pins 2 & 3, 4 & 5, 6 & 7 closed |    Open     |
   |------------+---------------------------------+-------------|
   |   512KB    | Pins 1 & 2, 3 & 4, 5 & 6 closed |   Closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CPU SPEED SELECTION                     |
   |------------------------------------------------------------|
   |  CPU  |Clock |Multiplier|  J6  | J7  |J8 | J17  |   JP17   |
   | speed |speed |          |      |     |   |      |          |
   |-------+------+----------+------+-----+---+------+----------|
   | 75MHz |50MHz |   1.5x   |Closed|2 & 3|2 &|Closed|   Open   |
   |       |      |          |      |     | 3 |      |          |
   |-------+------+----------+------+-----+---+------+----------|
   | 90MHz |60MHz |   1.5x   | Open |1 & 2|2 &| Open |   Open   |
   |       |      |          |      |     | 3 |      |          |
   |-------+------+----------+------+-----+---+------+----------|
   |100MHz |66MHz |   1.5x   | Open |2 & 3|1 &| Open |   Open   |
   |       |      |          |      |     | 2 |      |          |
   |-------+------+----------+------+-----+---+------+----------|
   |100MHz |50MHz |    2x    |Closed|2 & 3|2 &|Closed|  1 & 2   |
   |       |      |          |      |     | 3 |      |          |
   |-------+------+----------+------+-----+---+------+----------|
   |120MHz |60MHz |    2x    | Open |1 & 2|2 &| Open |  1 & 2   |
   |       |      |          |      |     | 3 |      |          |
   |-------+------+----------+------+-----+---+------+----------|
   |133MHz |66MHz |    2x    | Open |2 & 3|1 &| Open |  1 & 2   |
   |       |      |          |      |     | 2 |      |          |
   |-------+------+----------+------+-----+---+------+----------|
   |150MHz |60MHz |   2.5x   | Open |1 & 2|2 &| Open |1 & 2, 3 &|
   |       |      |          |      |     | 3 |      |    4     |
   |-------+------+----------+------+-----+---+------+----------|
   |150MHz |50MHz |    3x    |Closed|2 & 3|2 &|Closed|  3 & 4   |
   |       |      |          |      |     | 3 |      |          |
   |-------+------+----------+------+-----+---+------+----------|
   |166MHz |66MHz |   2.5x   | Open |2 & 3|1 &| Open |1 & 2, 3 &|
   |       |      |          |      |     | 2 |      |    4     |
   |-------+------+----------+------+-----+---+------+----------|
   |180MHz |60MHz |    3x    | Open |1 & 2|2 &| Open |  3 & 4   |
   |       |      |          |      |     | 3 |      |          |
   |-------+------+----------+------+-----+---+------+----------|
   |200MHz |66MHz |    3x    | Open |2 & 3|1 &| Open |  3 & 4   |
   |       |      |          |      |     | 2 |      |          |
   |------------------------------------------------------------|
   |Note: Pins designated should be in the closed position.     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU VOLTAGE SELECTION                    |
   |------------------------------------------------------------|
   |   Voltage    |    JP18    |    JP19    |       JP61        |
   |--------------+------------+------------+-------------------|
   |     2.5v     |    Open    |    Open    | Pins 2 & 3 closed |
   |--------------+------------+------------+-------------------|
   |     3.3v     |   Closed   |   Closed   | Pins 1 & 2 closed |
   |--------------+------------+------------+-------------------|
   |     3.5v     |   Closed   |   Closed   |       Open        |
   +------------------------------------------------------------+