ADVANCED LOGIC RESEARCH, INC.
=============================

   MULTIMEDIA EXPRESS

   Processor    80486SX/80486DX/80486DX2/Pentium Overdrive        
   Processor    25/33/50(internal)/66(internal)MHz                
   Speed        
   Chip Set     ALR                                               
   Max. Onboard 36MB                                              
   DRAM         
   Cache        64/128/256KB                                      
   BIOS         Phoenix                                           
   Dimensions   330mm x 218mm                                     
   I/O Options  32-bit VESA local bus slots (1), floppy drive     
                interface, IDE interface, parallel port, PS/2     
                mouse port,serial ports (2), VGA port             
   NPU Options  None                                              

<gopher://bitreich.org/I/th99/m/A-B/32145-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose         | Location | Purpose            | Location |
   |-----------------+----------+--------------------+----------|
   | PS/2 mouse port |   CN1    | VGA port           |   CN5    |
   |-----------------+----------+--------------------+----------|
   | Serial port 1   |   CN2    | IDE interface      |   CN6    |
   |-----------------+----------+--------------------+----------|
   | Serial port 2   |   CN3    | Floppy drive       |   CN7    |
   |                 |          | interface          |          |
   |-----------------+----------+--------------------+----------|
   | Parallel port   |   CN4    | 32-bit VESA local  |   SL1    |
   |                 |          | bus slot           |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |           Function            | Jumper |     Position      |
   |-------------------------------+--------+-------------------|
   |>> | Password check disabled   |   J2   | pins 2 & 3 closed |
   |---+---------------------------+--------+-------------------|
   |   | Password check enabled    |   J2   | pins 1 & 2 closed |
   |---+---------------------------+--------+-------------------|
   |>> | On board battery enabled  |  J13   |      Closed       |
   |---+---------------------------+--------+-------------------|
   |   | On board battery disabled |  J13   |       Open        |
   |---+---------------------------+--------+-------------------|
   |>> | DRAM parity enabled       |  J14   |       Open        |
   |---+---------------------------+--------+-------------------|
   |   | DRAM parity disabled      |  J14   |      Closed       |
   |---+---------------------------+--------+-------------------|
   |>> | On board VGA enabled      |  J20   | pins 1 & 2 closed |
   |---+---------------------------+--------+-------------------|
   |   | On board VGA disabled     |  J20   | pins 2 & 3 closed |
   |---+---------------------------+--------+-------------------|
   |>> | Keylock enabled           |  J27   | pins 2 & 3 closed |
   |---+---------------------------+--------+-------------------|
   |   | Keylock disabled          |  J27   | pins 1 & 2 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |  Size   |     Bank 0      |     Bank 1     |    Bank 2     |
   |---------+-----------------+----------------+---------------|
   |   4MB   |  (8) 512K x 8   |      NONE      |     NONE      |
   |---------+-----------------+----------------+---------------|
   |   8MB   |  (8) 512K x 8   |  (1) 1M x 36   |     NONE      |
   |---------+-----------------+----------------+---------------|
   |  12MB   |  (8) 512K x 8   |  (1) 1M x 36   |  (1) 1M x 36  |
   |---------+-----------------+----------------+---------------|
   |  12MB   |  (8) 512K x 8   |  (1) 2M x 36   |     NONE      |
   |---------+-----------------+----------------+---------------|
   |  16MB   |  (8) 512K x 8   |  (1) 1M x 36   |  (1) 2M x 36  |
   |---------+-----------------+----------------+---------------|
   |  20MB   |  (8) 512K x 8   |  (1) 4M x 36   |     NONE      |
   |---------+-----------------+----------------+---------------|
   |  20MB   |  (8) 512K x 8   |  (1) 2M x 36   |  (1) 2M x 36  |
   |---------+-----------------+----------------+---------------|
   |  24MB   |  (8) 512K x 8   |  (1) 1M x 36   |  (1) 4M x 36  |
   |---------+-----------------+----------------+---------------|
   |  36MB   |  (8) 512K x 8   |  (1) 4M x 36   |  (1) 4M x 36  |
   |------------------------------------------------------------|
   | Note: Bank 0 is factory installed and is not configurable. |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size    |    Bank 0     |    Bank 1     |      TAG      |
   |------------+---------------+---------------+---------------|
   |    64KB    |  (4) 8K x 8   |  (4) 8K x 8   |  (1) 8K x 8   |
   |------------+---------------+---------------+---------------|
   |   128KB    |  (4) 32K x 8  |     NONE      |  (1) 8K x 8   |
   |------------+---------------+---------------+---------------|
   |   256KB    |  (4) 32K x 8  |  (4) 32K x 8  |  (1) 32K x 8  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   | Size  |     J5      |     J6     |    J23     |    J24     |
   |-------+-------------+------------+------------+------------|
   | 64KB  | pins 2 & 3  | pins 2 & 3 |    Open    | pins 1 & 2 |
   |       |   closed    |   closed   |            |   closed   |
   |-------+-------------+------------+------------+------------|
   | 128KB | pins 1 & 2  | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
   |       |   closed    |   closed   |   closed   |   closed   |
   |-------+-------------+------------+------------+------------|
   | 256KB | pins 1 & 2  | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 |
   |       |   closed    |   closed   |   closed   |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU TYPE CONFIGURATION                   |
   |------------------------------------------------------------|
   |       Type        |     J9      |     J10     |    J11     |
   |-------------------+-------------+-------------+------------|
   |  80486SX (PQFP)   |    Open     |   Closed    |    Open    |
   |-------------------+-------------+-------------+------------|
   |    80486 (PGA)    |    Open     |    Open     |    Open    |
   |-------------------+-------------+-------------+------------|
   |      80486DX      |   Closed    |   Closed    |    Open    |
   |-------------------+-------------+-------------+------------|
   |     80486DX2      |   Closed    |   Closed    |    Open    |
   |-------------------+-------------+-------------+------------|
   | Pentium Overdrive |    Open     |   Closed    |   Closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  CPU SPEED CONFIGURATION                   |
   |------------------------------------------------------------|
   |           Speed            |              J17              |
   |----------------------------+-------------------------------|
   |           25MHz            |       pins 4 & 8 closed       |
   |----------------------------+-------------------------------|
   |           33MHz            |       pins 3 & 6 closed       |
   |----------------------------+-------------------------------|
   |           50iMHz           |       pins 4 & 8 closed       |
   |----------------------------+-------------------------------|
   |           66iMHz           |       pins 3 & 6 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  CPU CLOCK CONFIGURATION                   |
   |------------------------------------------------------------|
   |         Gate delay         |              J15              |
   |----------------------------+-------------------------------|
   |        1 gate delay        |       pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |       0 gate delays        |       pins 2 & 3 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  VESA CLOCK CONFIGURATION                  |
   |------------------------------------------------------------|
   |         Gate delay         |              J16              |
   |----------------------------+-------------------------------|
   |        1 gate delay        |       pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |       0 gate delays        |       pins 2 & 3 closed       |
   +------------------------------------------------------------+