CSS LABORATORIES, INC.
======================

   Little Max 386SX

   Processor       80386SX                                        
   Processor Speed 16/20MHz                                       
   Chip Set        C & T                                          
   Max. Onboard    16MB                                           
   DRAM            
   SRAM Cache      None                                           
   BIOS            AMI                                            
   Dimensions      334mm x 127mm                                  
   I/O Options     Auxiliary keyboard, IDE interface, floppy      
                   drive interface, parallel port, serial         
                   ports(2)                                       
   NPU Options     80387SX                                        

<gopher://bitreich.org/I/th99/m/C-D/31296-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose              | Location | Purpose       | Location |
   |----------------------+----------+---------------+----------|
   | Speaker              |    J3    | Hard drive    |   J40    |
   |                      |          | access LED    |          |
   |----------------------+----------+---------------+----------|
   | Power LED & keylock  |    J4    | IDE interface |   LED    |
   |                      |          | LED           |          |
   |----------------------+----------+---------------+----------|
   | Turbo switch         |    J6    | Floppy drive  |   PJ1    |
   |                      |          | interface     |          |
   |----------------------+----------+---------------+----------|
   | Auxiliary keyboard   |   J7A    | Parallel port |   PJ2    |
   |----------------------+----------+---------------+----------|
   | Reset switch         | J11 pins | Serial port 1 |   PJ3    |
   |                      |  1 & 2   |               |          |
   |----------------------+----------+---------------+----------|
   | Turbo LED            | J11 pins | Serial port 2 |   PJ4    |
   |                      |  3 & 4   |               |          |
   |----------------------+----------+---------------+----------|
   | Front panel switches |   J39    | IDE interface |   PJ5    |
   | & LEDs               |          |               |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | Floppy drive interface enabled   | FDDEN  | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Floppy drive interface disabled  | FDDEN  | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | IDE interface enabled            | IDEEN  | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | IDE interface disabled           | IDEEN  | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |   J2   |    open    |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | Monitor type select color        |   J8   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Monitor type select monochrome   |   J8   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | BIOS type select 27256           |   J9   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | BIOS type select 27128           |   J9   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | CPU speed select 16MHz           |  J10   |   closed   |
   |---+----------------------------------+--------+------------|
   |   | CPU speed select 20MHz           |  J10   |    open    |
   |---+----------------------------------+--------+------------|
   |   |                                  |   J1   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |>> | Pipeline mode enabled            |   W1   |            |
   |   |                                  |        | pins 1 & 2 |
   |   |                                  |   W2   |   closed   |
   |   |                                  |        |            |
   |   |                                  |        | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   |                                  |   J1   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |   | Pipeline mode disabled           |   W1   |            |
   |   |                                  |        | pins 2 & 3 |
   |   |                                  |   W2   |   closed   |
   |   |                                  |        |            |
   |   |                                  |        | pins 1 & 2 |
   |   |                                  |        |   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     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 1 CONFIGURATION                 |
   |------------------------------------------------------------|
   |   COM    |    IRQ     |   I/O   |  Jumper  |  S0   |  S1   |
   |          | Interrupt  | Address |   PJ6    |       |       |
   |----------+------------+---------+----------+-------+-------|
   |  COM 2   |    IRQ3    |  2F8h   | pins 1 & | pins  | pins  |
   |          |            |         |    3     | 1 & 2 | 2 & 3 |
   |----------+------------+---------+----------+-------+-------|
   |  COM 1   |    IRQ4    |  3F8h   | pins 1 & | pins  | pins  |
   |          |            |         |    2     | 2 & 3 | 2 & 3 |
   |----------+------------+---------+----------+-------+-------|
   | Disabled |    N/A     |   N/A   |   N/A    | pins  | pins  |
   |          |            |         |          | 1 & 2 | 1 & 2 |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 2 CONFIGURATION                 |
   |------------------------------------------------------------|
   |   COM    |    IRQ     |   I/O   |  Jumper  |  S2   |  S3   |
   |          | Interrupt  | Address |   PJ6    |       |       |
   |----------+------------+---------+----------+-------+-------|
   |  COM 1   |    IRQ4    |  3F8h   | pins 2 & | pins  | pins  |
   |          |            |         |    4     | 1 & 2 | 2 & 3 |
   |----------+------------+---------+----------+-------+-------|
   |  COM 2   |    IRQ3    |  2F8h   | pins 3 & | pins  | pins  |
   |          |            |         |    4     | 2 & 3 | 2 & 3 |
   |----------+------------+---------+----------+-------+-------|
   | Disabled |    N/A     |   N/A   |   N/A    | pins  | pins  |
   |          |            |         |          | 1 & 2 | 1 & 2 |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |            PARALLEL PORT 1 (PJ2) CONFIGURATION             |
   |------------------------------------------------------------|
   |   LPT    |    IRQ     |   I/O   |   P0   |   P1   |  PRT   |
   |          | Interrupt  | Address |        |        |        |
   |----------+------------+---------+--------+--------+--------|
   |  LPT 1   |    IRQ7    |  3F8h   | pins 1 | pins 2 | pins 2 |
   |          |            |         |  & 2   |  & 3   |  & 3   |
   |----------+------------+---------+--------+--------+--------|
   |  LPT 2   |    IRQ5    |  2F8h   | pins 2 | pins 2 | pins 1 |
   |          |            |         |  & 3   |  & 3   |  & 2   |
   |----------+------------+---------+--------+--------+--------|
   |  LPT 3   |    IRQ7    |  3BCh   | pins 2 | pins 1 | pins 2 |
   |          |            |         |  & 3   |  & 2   |  & 3   |
   |----------+------------+---------+--------+--------+--------|
   | Disabled |    N/A     |   N/A   | pins 1 | pins 1 |  N/A   |
   |          |            |         |  & 2   |  & 2   |        |
   +------------------------------------------------------------+