ASUS COMPUTER INTERNATIONAL
===========================

   VL/ISA-486SV2 VERSION 2.5

   Processor            80486SX/80487SX/80486DX/ODP487SX/80486DX2 
   Processor Speed      20/25/33/50(internal)/50/66(internal)MHz  
   Chip Set             SIS                                       
   Max. Onboard DRAM    32MB                                      
   SRAM Cache           64/128/256KB                              
   BIOS                 AMI                                       
   Dimensions           220mm x 240mm                             
   I/O Options          32-bit VESA local bus slots (2)           
   NPU Options          None                                      
                                                                  

<gopher://bitreich.org/I/th99/m/A-B/31328-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose          | Location | Purpose           | Location |
   |------------------+----------+-------------------+----------|
   | External battery |  BCON1   | Speaker           |   CON4   |
   |------------------+----------+-------------------+----------|
   | Turbo switch     |   CON1   | Power LED &       |   CON5   |
   |                  |          | keylock           |          |
   |------------------+----------+-------------------+----------|
   | Turbo LED        |   CON2   | 32-bit VESA card  | S1 & S2  |
   |                  |          | (2)               |          |
   |------------------+----------+-------------------+----------|
   | Reset            |   CON3   |                   |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | Battery select internal          |  BJP1  | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Battery select external          |  BJP1  | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Monitor type select monochrome   |  JP2   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Monitor type select color        |  JP2   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  TP2   |   closed   |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  TP5   |    open    |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  TP6   |   closed   |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  TP7   |    open    |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  TP13  | pins 1 & 2 |
   |   | alter                            |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  TP14  | pins 2 & 3 |
   |   | alter                            |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  TP15  | pins 2 & 3 |
   |   | alter                            |        |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       1MB        |    (4) 256K x 9    |        NONE        |
   |------------------+--------------------+--------------------|
   |       2MB        |    (4) 256K x 9    |    (4) 256K x 9    |
   |------------------+--------------------+--------------------|
   |       4MB        |     (4) 1M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       16MB       |     (4) 4M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |       20MB       |     (4) 4M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     SRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size    |     Cache     |   Location    |      TAG      |
   |------------+---------------+---------------+---------------|
   |    64KB    |  (8) 8K x 8   |  Banks 0 & 1  |  (1) 8K x 8   |
   |------------+---------------+---------------+---------------|
   |   128KB    |  (4) 32K x 8  |    Bank 0     |  (1) 8K x 8   |
   |------------+---------------+---------------+---------------|
   |   256KB    |  (8) 32K x 8  |  Banks 0 & 1  |  (1) 32K x 8  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 SRAM JUMPER CONFIGURATION                  |
   |------------------------------------------------------------|
   | Size  |    Jumper CJ1     |    Jumper CJ2     | Jumper CJ3 |
   |-------+-------------------+-------------------+------------|
   | 64KB  | pins 1 & 2 closed | pins 1 & 2 closed |    open    |
   |-------+-------------------+-------------------+------------|
   | 128KB | pins 2 & 3 closed |       open        |   closed   |
   |-------+-------------------+-------------------+------------|
   | 256KB | pins 2 & 3 closed | pins 2 & 3 closed |    open    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  CPU JUMPER CONFIGURATION                  |
   |------------------------------------------------------------|
   |   CPU   | Jumper CPJ1  |    Jumper CPJ2     | Jumper CPJ3  |
   |---------+--------------+--------------------+--------------|
   | 80486DX |  pins 2 & 3  | pins 1 & 2 and 3 & |  pins 2 & 3  |
   |         |    closed    |      4 closed      |    closed    |
   |---------+--------------+--------------------+--------------|
   | 80487SX |  pins 1 & 2  | pins 1 & 2 and 3 & |  pins 1 & 2  |
   |         |    closed    |      4 closed      |    closed    |
   |---------+--------------+--------------------+--------------|
   | 80486SX |     open     | pins 2 & 3 closed  |  pins 2 & 3  |
   |         |              |                    |    closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  CPU SPEED CONFIGURATION                   |
   |------------------------------------------------------------|
   | Speed | Jumper CS1  | Jumper CS2 | Jumper CS3 | Jumper JP1 |
   |-------+-------------+------------+------------+------------|
   | 25MHz | pins 1 & 2  | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 |
   |       |   closed    |   closed   |   closed   |   closed   |
   |-------+-------------+------------+------------+------------|
   | 33MHz | pins 2 & 3  | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 |
   |       |   closed    |   closed   |   closed   |   closed   |
   |-------+-------------+------------+------------+------------|
   | 40MHz | pins 1 & 2  | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
   |       |   closed    |   closed   |   closed   |   closed   |
   |-------+-------------+------------+------------+------------|
   | 50MHz | pins 2 & 3  | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 |
   |       |   closed    |   closed   |   closed   |   closed   |
   +------------------------------------------------------------+