(TXT) View Source
       
       # UNIDENTIFIED
       
          486-VL BUS ANTI-VIRUS
       
          Processor    80486SX/80487SX/80486DX/80486DX2/Pentium          
                       Overdrive                                         
          Processor    25/33/40/50(internal)/50/66(internal)MHz          
          Speed        
          Chip Set     OPTi                                              
          Max. Onboard 32MB                                              
          DRAM         
          Cache        64/128/256KB                                      
          BIOS         AMI                                               
          Dimensions   254mm x 218mm                                     
          I/O Options  32-Bit VESA local bus slots (2)                   
          NPU Options  None                                              
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose          | Location | Purpose           | Location |
          |------------------+----------+-------------------+----------|
          | External battery |    J1    | Turbo switch      |   JP28   |
          |------------------+----------+-------------------+----------|
          | Power LED &      |    J5    | 32-bit VESA Local |    S1    |
          | keylock          |          | bus slot          |          |
          |------------------+----------+-------------------+----------|
          | Speaker          |    J6    | 32-bit VESA Local |    S2    |
          |                  |          | bus slot          |          |
          |------------------+----------+-------------------+----------|
          | Turbo LED        |   JP24   | Reset switch      |   SW1    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | Monitor type select color        |  JP1   |   Closed   |
          |---+----------------------------------+--------+------------|
          |   | Monitor type select monochrome   |  JP1   |    Open    |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP32  | pins 2 & 3 |
          |   | alter                            |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | ADS # signal delay enabled       |  JP40  | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | ADS # signal delay disabled      |  JP40  | pins 1 & 2 |
          |   |                                  |        |   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        |
          |------------------+--------------------+--------------------|
          |       5MB        |    (4) 256K x 9    |     (4) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       16MB       |     (4) 4M x 9     |        NONE        |
          |------------------+--------------------+--------------------|
          |       20MB       |     (4) 1M x 9     |     (4) 4M x 9     |
          |------------------+--------------------+--------------------|
          |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    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) 16K x 8/(1) 32K x |
          |        |             |             |           8           |
          |------------------------------------------------------------|
          | Note:The exact locations of Bank 0 and Bank 1 are unknown. |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |  Size   |        JP7         |   JP9   |  JP15   |  JP22   |
          |---------+--------------------+---------+---------+---------|
          |  64KB   | pins 2 & 3 closed  |  Open   |  Open   |  Open   |
          |---------+--------------------+---------+---------+---------|
          |  128KB  | pins 1 & 2 closed  | Closed  | Closed  |  Open   |
          |---------+--------------------+---------+---------+---------|
          |  256KB  | pins 2 & 3 closed  | Closed  | Closed  | Closed  |
          |------------------------------------------------------------|
          | Note:The exact locations of Bank 0 and Bank 1 are unknown. |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |       Type        |       JP11        |        JP12        |
          |-------------------+-------------------+--------------------|
          |      80486SX      |       Open        | pins 2 & 3 closed  |
          |-------------------+-------------------+--------------------|
          |      80487SX      | pins 2 & 3 closed | pins 1 & 2 and 3 & |
          |                   |                   |      4 closed      |
          |-------------------+-------------------+--------------------|
          |      80486DX      | pins 1 & 2 closed | pins 1 & 2 and 3 & |
          |                   |                   |      4 closed      |
          |-------------------+-------------------+--------------------|
          |     80486DX2      | pins 1 & 2 closed | pins 1 & 2 and 3 & |
          |                   |                   |      4 closed      |
          |-------------------+-------------------+--------------------|
          | Pentium Overdrive | pins 2 & 3 closed | pins 1 & 2 and 3 & |
          |                   |                   |      4 closed      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  CPU SPEED CONFIGURATION                   |
          |------------------------------------------------------------|
          |    Speed     |    JP10    |       JP16        |    JP23    |
          |--------------+------------+-------------------+------------|
          |    25MHz     |    Open    | pins 2 & 3 closed |   Closed   |
          |--------------+------------+-------------------+------------|
          |    33MHz     |   Closed   | pins 2 & 3 closed |    Open    |
          |--------------+------------+-------------------+------------|
          |    40MHz     |    Open    | pins 2 & 3 closed |    Open    |
          |--------------+------------+-------------------+------------|
          |   50i MHz    |    Open    | pins 2 & 3 closed |   Closed   |
          |--------------+------------+-------------------+------------|
          |    50MHz     |    Open    | pins 1 & 2 closed |   Closed   |
          |--------------+------------+-------------------+------------|
          |   66i MHz    |   Closed   | pins 2 & 3 closed |    Open    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |          VESA WAIT STATE/BUS SPEED CONFIGURATION           |
          |------------------------------------------------------------|
          |   CPU speed   |  Wait states  |     J20      |     J21     |
          |---------------+---------------+--------------+-------------|
          |    < 33MHz    | 0 wait states |    Closed    |   Closed    |
          |---------------+---------------+--------------+-------------|
          |    > 33MHz    | 1 wait state  |     Open     |    Open     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             VL-BUS MASTER/SLAVE CONFIGURATION              |
          |------------------------------------------------------------|
          |             Setting              |    JP13     |   JP18    |
          |----------------------------------+-------------+-----------|
          | »       |       Slave mode       |   Closed    |   Open    |
          |---------+------------------------+-------------+-----------|
          |         |     Master & slave     |   Closed    |   Open    |
          |------------------------------------------------------------|
          | Note:For VL-Bus device to support both master and slave    |
          | mode, an additional PAL must be inserted in U43            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              VL-BUS SETUP MODE CONFIGURATION               |
          |------------------------------------------------------------|
          |     Setting      |        JP29        |        JP39        |
          |------------------+--------------------+--------------------|
          | » |   Setup 0    | pins 1 & 2 closed  | pins 1 & 2 closed  |
          |---+--------------+--------------------+--------------------|
          |   |   Setup 1    | pins 1 & 2 closed  | pins 2 & 3 closed  |
          |---+--------------+--------------------+--------------------|
          |   |   Setup 2    | pins 2 & 3 closed  | pins 2 & 3 closed  |
          +------------------------------------------------------------+