PC BRAND
========

   LEADER

   Processor    80386SX                                           
   Processor    25/33MHz                                          
   Speed        
   Chip Set     Unidentified                                      
   Max. Onboard 16MB                                              
   DRAM         
   Cache        None                                              
   BIOS         Unidentified                                      
   Dimensions   220mm x 220mm                                     
   I/O Options  Parallel port, serial ports (2), game port, IDE   
                interface, floppy drive interface, riser slot     
   NPU Options  80387SX                                           

<gopher://bitreich.org/I/th99/m/P-R/32904-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose              | Location | Purpose       | Location |
   |----------------------+----------+---------------+----------|
   | Serial port 1        |   CN1    | IDE interface |    J3    |
   |                      |          | LED           |          |
   |----------------------+----------+---------------+----------|
   | Serial port 2        |   CN2    | Reset switch  |    J4    |
   |----------------------+----------+---------------+----------|
   | Parallel port        |   CN3    | Power LED &   |    J5    |
   |                      |          | keylock       |          |
   |----------------------+----------+---------------+----------|
   | Floppy drive         |   CN4    | Speaker       |   JP9    |
   | interface            |          |               |          |
   |----------------------+----------+---------------+----------|
   | Game port            |   CN5    | Turbo switch  |   JP10   |
   |----------------------+----------+---------------+----------|
   | IDE interface        |   CN6    | Turbo LED     |   JP11   |
   |----------------------+----------+---------------+----------|
   | External battery     |    J2    | Riser Card    |   SL1    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | Battery type select internal     |  JP2   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Battery type select external     |  JP2   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | CMOS memory normal operation     |  JP4   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | CMOS memory clear                |  JP4   | pins 3 & 4 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Turbo enabled                    |  JP5   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Turbo disabled                   |  JP5   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Speaker type select internal     |  JP9   | pins 1 & 2 |
   |   | buzzer                           |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Speaker type select external     |  JP9   |    Open    |
   |   | speaker                          |        |            |
   |---+----------------------------------+--------+------------|
   |>> | Serial port 1 enabled            |  JP12  |    Open    |
   |---+----------------------------------+--------+------------|
   |   | Serial port 1 disabled           |  JP12  |   Closed   |
   |---+----------------------------------+--------+------------|
   |>> | Serial port 2 enabled            |  JP13  |    Open    |
   |---+----------------------------------+--------+------------|
   |   | Serial port 2 disabled           |  JP13  |   Closed   |
   |---+----------------------------------+--------+------------|
   |>> | Floppy drive interface enabled   |  JP14  |    Open    |
   |---+----------------------------------+--------+------------|
   |   | Floppy drive interface disabled  |  JP14  |   Closed   |
   |---+----------------------------------+--------+------------|
   |>> | Parallel port LPT select LPT1    |  JP15  |    Open    |
   |---+----------------------------------+--------+------------|
   |   | Parallel port LPT select LPT2    |  JP15  |   Closed   |
   |---+----------------------------------+--------+------------|
   |>> | IDE interface enabled            |  JP16  |    Open    |
   |---+----------------------------------+--------+------------|
   |   | IDE interface disabled           |  JP16  |   Closed   |
   |---+----------------------------------+--------+------------|
   |>> | Game port enabled                |  JP17  |    Open    |
   |---+----------------------------------+--------+------------|
   |   | Game port disabled               |  JP17  |   Closed   |
   |---+----------------------------------+--------+------------|
   |>> | Security disabled                |  JP18  |    Open    |
   |---+----------------------------------+--------+------------|
   |   | Security enabled                 |  JP18  |   Closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |      512KB       |    (2) 256K x 9    |        NONE        |
   |------------------+--------------------+--------------------|
   |       1MB        |    (2) 256K x 9    |    (2) 256K x 9    |
   |------------------+--------------------+--------------------|
   |       2MB        |     (2) 1M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |       4MB        |     (2) 1M x 9     |     (2) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       8MB        |     (2) 4M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |       16MB       |     (2) 4M x 9     |     (2) 4M x 9     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  CPU SPEED CONFIGURATION                   |
   |------------------------------------------------------------|
   |           Speed            |              JP6              |
   |----------------------------+-------------------------------|
   |           25MHz            |       pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |           33MHz            |       pins 1 & 2 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                MISCELLANEOUS TECHNICAL NOTE                |
   |------------------------------------------------------------|
   | Note: The location of pin 1 is unidentified.               |
   +------------------------------------------------------------+