(TXT) View Source
       
       # ADVANCED LOGIC RESEARCH, INC.
       
          EXPRESS
       
          Processor    80486SX/80487SX/80486DX/80486DX2                  
          Processor    25/33/40/50(internal)/66(internal)MHz             
          Speed        
          Chip Set     ALR                                               
          Max. Onboard 36MB                                              
          DRAM         
          Cache        128/256KB                                         
          BIOS         Phoenix                                           
          Dimensions   330mm x 218mm                                     
          I/O Options  32-bit VESA local bus slot, floppy drive          
                       interface, IDE interface, parallel port, PS/2     
                       mouse port, serial ports (2), VGA feature         
                       connector, VGA port                               
          NPU Options  None                                              
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose          | Location | Purpose           | Location |
          |------------------+----------+-------------------+----------|
          | VGA port         |   CN1    | VGA feature       |   CN8    |
          |                  |          | connector         |          |
          |------------------+----------+-------------------+----------|
          | Parallel port    |   CN2    | IDE interface LED |    J1    |
          |------------------+----------+-------------------+----------|
          | Serial port 2    |   CN3    | Power LED &       |    J2    |
          |                  |          | keylock           |          |
          |------------------+----------+-------------------+----------|
          | Serial port 1    |   CN4    | Speaker           |    J3    |
          |------------------+----------+-------------------+----------|
          | PS/2 mouse port  |   CN5    | Reset switch      |    J4    |
          |------------------+----------+-------------------+----------|
          | IDE interface    |   CN6    | 32-bit VESA Local |   SL1    |
          |                  |          | bus slot          |          |
          |------------------+----------+-------------------+----------|
          | Floppy drive     |   CN7    |                   |          |
          | interface        |          |                   |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function                | Jumper  | Position |
          |---------------------------------------+---------+----------|
          | » | CMOS memory normal operation      |   JP3   |   Open   |
          |---+-----------------------------------+---------+----------|
          |   | CMOS memory clear                 |   JP3   |  Closed  |
          |---+-----------------------------------+---------+----------|
          | » | Port select 210H                  |   W1    |  Closed  |
          |---+-----------------------------------+---------+----------|
          |   | Port select 310H                  |   W1    |   Open   |
          |---+-----------------------------------+---------+----------|
          | » | On board VGA enabled              |   W2    |  Closed  |
          |---+-----------------------------------+---------+----------|
          |   | On board VGA disabled             |   W2    |   Open   |
          |---+-----------------------------------+---------+----------|
          | » | Factory configured - do not alter |   W5    |   Open   |
          |---+-----------------------------------+---------+----------|
          | » | SIMM type select single           |   W6    |   Open   |
          |---+-----------------------------------+---------+----------|
          |   | SIMM type select double           |   W6    |  Closed  |
          |---+-----------------------------------+---------+----------|
          | » | Video mode select standard        |   W7    |   Open   |
          |---+-----------------------------------+---------+----------|
          |   | Video mode select VESA            |   W7    |  Closed  |
          |---+-----------------------------------+---------+----------|
          | » | Video type select non interlaced  |   W8    |   Open   |
          |---+-----------------------------------+---------+----------|
          |   | Video type select interlaced      |   W8    |  Closed  |
          |---+-----------------------------------+---------+----------|
          | » | Monitor type select color         |   W9    |  Closed  |
          |---+-----------------------------------+---------+----------|
          |   | Monitor type select monochrome    |   W9    |   Open   |
          |---+-----------------------------------+---------+----------|
          | » | Factory configured - do not alter |   W19   |   Open   |
          |---+-----------------------------------+---------+----------|
          | » | Factory configured - do not alter |   W28   |   Open   |
          |---+-----------------------------------+---------+----------|
          | » | 80486 CPU installed               |   W29   |  Closed  |
          |---+-----------------------------------+---------+----------|
          |   | 80486 CPU not installed           |   W29   |   Open   |
          |------------------------------------------------------------|
          | Note: The location of W5 is unknown.                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     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  |
          |---------+-----------------+----------------+---------------|
          |  20MB   |  (8) 512K x 8   |  (1) 4M x 36   |     NONE      |
          |---------+-----------------+----------------+---------------|
          |  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      |
          |------------+---------------+---------------+---------------|
          |   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  |       W13       |      W16       |  W17   |  W18   |
          |-------+-----------------+----------------+--------+--------|
          | 128KB |   pins 2 & 3    |   pins 1 & 2   |  Open  | Closed |
          |       |     closed      |     closed     |        |        |
          |-------+-----------------+----------------+--------+--------|
          | 256KB |   pins 1 & 2    |   pins 2 & 3   | Closed | Closed |
          |       |     closed      |     closed     |        |        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |  Type   |  W11   |        W12        |    W24     |  W27   |
          |---------+--------+-------------------+------------+--------|
          | 80486SX | Closed | pins 2 & 3 closed |    Open    |  Open  |
          | (PQFP)  |        |                   |            |        |
          |---------+--------+-------------------+------------+--------|
          | 80486SX |  Open  | pins 1 & 2 closed |    Open    | Closed |
          |  (PGA)  |        |                   |            |        |
          |---------+--------+-------------------+------------+--------|
          | 80487SX | Closed | pins 1 & 2 closed | pins 2 & 3 | Closed |
          |  (PGA)  |        |                   |   closed   |        |
          |---------+--------+-------------------+------------+--------|
          | 80486DX | Closed | pins 2 & 3 closed |    Open    |  Open  |
          | (PQFP)  |        |                   |            |        |
          |---------+--------+-------------------+------------+--------|
          | 80486DX | Closed | pins 1 & 2 closed | pins 1 & 2 | Closed |
          |  (PGA)  |        |                   |   closed   |        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  CPU SPEED CONFIGURATION                   |
          |------------------------------------------------------------|
          |   Speed    |   W20    |    W21     |    W22    |    W23    |
          |------------+----------+------------+-----------+-----------|
          |   25MHz    |   Open   |   Closed   |   Open    |  Closed   |
          |------------+----------+------------+-----------+-----------|
          |   33MHz    |   Open   |    Open    |  Closed   |  Closed   |
          |------------+----------+------------+-----------+-----------|
          |   40MHz    |   Open   |   Closed   |   Open    |   Open    |
          |------------+----------+------------+-----------+-----------|
          |   50iMHz   |   Open   |   Closed   |   Open    |  Closed   |
          |------------+----------+------------+-----------+-----------|
          |   66iMHz   |   Open   |    Open    |  Closed   |  Closed   |
          +------------------------------------------------------------+