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

   PREFERRED 486 MGE/VL

   Processor      80486DX/80486DX2/Pentium Overdrive              
   Processor      25/33/50(internal)/50/66(internal)MHz           
   Speed          
   Chip Set       SIS                                             
   Max. Onboard   256MB (128MB on CPU module)                     
   DRAM           
   Cache          512KB (on CPU module)                           
   BIOS           AMI                                             
   Dimensions     330mm x 218mm                                   
   I/O Options    CPU module slot, 32-bit VESA local bus slots    
                  (2)                                             
   NPU Options    None                                            

<gopher://bitreich.org/I/th99/m/C-D/32087-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose         | Location | Purpose            | Location |
   |-----------------+----------+--------------------+----------|
   | Speaker         |    J4    | Reset/Turbo switch |   J41    |
   |-----------------+----------+--------------------+----------|
   | Power LED &     |    J5    | 32-bit VESA Local  |  SL1 &   |
   | keylock         |          | bus slots          |   SL2    |
   |-----------------+----------+--------------------+----------|
   | Equipment panel |   J39    | CPU module slot    |   SL3    |
   | connector       |          |                    |          |
   |-----------------+----------+--------------------+----------|
   | IDE interface   |   J40    |                    |          |
   | LED             |          |                    |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function                | Jumper  | Position |
   |---------------------------------------+---------+----------|
   |>> | Monitor type select monochrome    |   JP9   |  Closed  |
   |---+-----------------------------------+---------+----------|
   |   | Monitor type select color         |   JP9   |   Open   |
   |---+-----------------------------------+---------+----------|
   |>> | Factory configured - do not alter |  JP30   |   Open   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size  |   Bank 0    |   Bank 1   |   Bank 2   |   Bank 3   |
   |-------+-------------+------------+------------+------------|
   |  4MB  | (4) 1M x 9  |    NONE    |    NONE    |    NONE    |
   |-------+-------------+------------+------------+------------|
   |  8MB  | (4) 1M x 9  | (4) 1M x 9 |    NONE    |    NONE    |
   |-------+-------------+------------+------------+------------|
   | 12MB  | (4) 1M x 9  | (4) 1M x 9 | (4) 1M x 9 |    NONE    |
   |-------+-------------+------------+------------+------------|
   | 16MB  | (4) 1M x 9  | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
   |-------+-------------+------------+------------+------------|
   | 16MB  | (4) 4M x 9  |    NONE    |    NONE    |    NONE    |
   |-------+-------------+------------+------------+------------|
   | 20MB  | (4) 1M x 9  | (4) 4M x 9 |    NONE    |    NONE    |
   |-------+-------------+------------+------------+------------|
   | 24MB  | (4) 1M x 9  | (4) 1M x 9 | (4) 4M x 9 |    NONE    |
   |-------+-------------+------------+------------+------------|
   | 24MB  | (4) 1M x 9  | (4) 4M x 9 | (4) 1M x 9 |    NONE    |
   |-------+-------------+------------+------------+------------|
   | 28MB  | (4) 1M x 9  | (4) 1M x 9 | (4) 4M x 9 | (4) 1M x 9 |
   |-------+-------------+------------+------------+------------|
   | 28MB  | (4) 1M x 9  | (4) 4M x 9 | (4) 1M x 9 | (4) 1M x 9 |
   |-------+-------------+------------+------------+------------|
   | 32MB  | (4) 4M x 9  | (4) 4M x 9 |    NONE    |    NONE    |
   |-------+-------------+------------+------------+------------|
   | 36MB  | (4) 1M x 9  | (4) 4M x 9 | (4) 4M x 9 |    NONE    |
   |-------+-------------+------------+------------+------------|
   | 36MB  | (4) 4M x 9  | (4) 4M x 9 | (4) 1M x 9 |    NONE    |
   |-------+-------------+------------+------------+------------|
   | 40MB  | (4) 1M x 9  | (4) 1M x 9 | (4) 4M x 9 | (4) 4M x 9 |
   |-------+-------------+------------+------------+------------|
   | 40MB  | (4) 1M x 9  | (4) 4M x 9 | (4) 4M x 9 | (4) 1M x 9 |
   |-------+-------------+------------+------------+------------|
   | 40MB  | (4) 4M x 9  | (4) 4M x 9 | (4) 1M x 9 | (4) 1M x 9 |
   |-------+-------------+------------+------------+------------|
   | 48MB  | (4) 4M x 9  | (4) 4M x 9 | (4) 4M x 9 |    NONE    |
   |-------+-------------+------------+------------+------------|
   | 52MB  | (4) 1M x 9  | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 |
   |-------+-------------+------------+------------+------------|
   | 52MB  | (4) 4M x 9  | (4) 4M x 9 | (4) 4M x 9 | (4) 1M x 9 |
   |-------+-------------+------------+------------+------------|
   | 64MB  | (4) 4M x 9  | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 |
   |-------+-------------+------------+------------+------------|
   | 64MB  | (4) 16M x 9 |    NONE    |    NONE    |    NONE    |
   |-------+-------------+------------+------------+------------|
   | 128MB | (4) 16M x 9 | (4) 16M x  |    NONE    |    NONE    |
   |       |             |     9      |            |            |
   |-------+-------------+------------+------------+------------|
   | 196MB | (4) 16M x 9 | (4) 16M x  | (4) 16M x  |    NONE    |
   |       |             |     9      |     9      |            |
   |-------+-------------+------------+------------+------------|
   | 256MB | (4) 16M x 9 | (4) 16M x  | (4) 16M x  | (4) 16M x  |
   |       |             |     9      |     9      |     9      |
   |------------------------------------------------------------|
   | Note: Banks 2 & 3 are located on the CPU module board.     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  CPU SPEED CONFIGURATION                   |
   |------------------------------------------------------------|
   |    Speed    |        JP1        |     JP6     |    JP7     |
   |-------------+-------------------+-------------+------------|
   |    25MHz    | pins 1 & 2 closed |    Open     |    Open    |
   |-------------+-------------------+-------------+------------|
   |    33MHz    | pins 1 & 2 closed |    Open     |   Closed   |
   |-------------+-------------------+-------------+------------|
   |   50iMHz    | pins 1 & 2 closed |   Closed    |   Closed   |
   |-------------+-------------------+-------------+------------|
   |   66iMHz    | pins 1 & 2 closed |    Open     |   Closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                VESA BUS SPEED CONFIGURATION                |
   |------------------------------------------------------------|
   |           CPU speed           |            JPV3            |
   |-------------------------------+----------------------------|
   |            <=33MHz            |            Open            |
   |-------------------------------+----------------------------|
   |            > 33MHz            |           Closed           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               VESA WAIT STATE CONFIGURATION                |
   |------------------------------------------------------------|
   |    Wait states     |       JPV1        |       JPV2        |
   |--------------------+-------------------+-------------------|
   |   0 wait states    |       Open        |       Open        |
   |--------------------+-------------------+-------------------|
   |    1 wait state    |      Closed       |      Closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               EQUIPMENT PANEL CONFIGURATION                |
   |------------------------------------------------------------|
   |          Description          |            J39             |
   |-------------------------------+----------------------------|
   |            Ground             |           pin 1            |
   |-------------------------------+----------------------------|
   |             Power             |           pin 2            |
   |-------------------------------+----------------------------|
   |        Hard drive LED         |           pin 3            |
   |-------------------------------+----------------------------|
   |           Not used            |           pin 4            |
   |-------------------------------+----------------------------|
   |             Power             |           pin 5            |
   |-------------------------------+----------------------------|
   |            Ground             |           pin 6            |
   |-------------------------------+----------------------------|
   |           Turbo LED           |           pin 7            |
   |-------------------------------+----------------------------|
   |       Keyboard inhibit        |           pin 8            |
   |-------------------------------+----------------------------|
   |             Power             |           pin 9            |
   |-------------------------------+----------------------------|
   |         Reset button          |           pin 10           |
   +------------------------------------------------------------+