(TXT) View Source
       
       # UNIDENTIFIED
       
          KMC-OPTI291
       
          Processor             80386SX/CX486SLC                         
          Processor Speed       16/20/25/33/40MHz                        
          Chip Set              OPTI                                     
          Max. Onboard DRAM     16MB                                     
          SRAM Cache            16/64KB                                  
          BIOS                  AMI                                      
          Dimensions            220mm x 220mm                            
          I/O Options           None                                     
          NPU Options           80387SX/CX83S87                          
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose             | Location | Purpose        | Location |
          |---------------------+----------+----------------+----------|
          | External battery    |    J1    | Turbo LED      |   JP4    |
          |---------------------+----------+----------------+----------|
          | Power LED & keylock |   J18    | Reset switch   |   SW1    |
          |---------------------+----------+----------------+----------|
          | Speaker             |   J19    | Turbo switch   |   SW2    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function              | Jumper |   Position   |
          |------------------------------------+--------+--------------|
          | » | CMOS memory normal operation   |  JP1   |  pins 2 & 3  |
          |   |                                |        |    closed    |
          |---+--------------------------------+--------+--------------|
          |   | CMOS memory clear              |  JP1   |  pins 1 & 2  |
          |   |                                |        |    closed    |
          |---+--------------------------------+--------+--------------|
          | » | Monitor type select color      |  JP2   |    closed    |
          |---+--------------------------------+--------+--------------|
          |   | Monitor type select monochrome |  JP2   |     open     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size |   Bank 0    |   Bank 1    |   Bank 2   |   Bank 3   |
          |------+-------------+-------------+------------+------------|
          | 1MB  | (2) 256K x  | (2) 256K x  |    NONE    |    NONE    |
          |      |      9      |      9      |            |            |
          |------+-------------+-------------+------------+------------|
          | 2MB  | (2) 256K x  | (2) 256K x  | (2) 256K x | (2) 256K x |
          |      |      9      |      9      |     9      |     9      |
          |------+-------------+-------------+------------+------------|
          | 2MB  | (2) 1M x 9  |    NONE     |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 3MB  | (2) 256K x  | (2) 256K x  | (2) 1M x 9 |    NONE    |
          |      |      9      |      9      |            |            |
          |------+-------------+-------------+------------+------------|
          | 4MB  | (2) 1M x 9  | (2) 1M x 9  |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 5MB  | (2) 256K x  | (2) 256K x  | (2) 1M x 9 | (2) 1M x 9 |
          |      |      9      |      9      |            |            |
          |------+-------------+-------------+------------+------------|
          | 6MB  | (2) 1M x 9  | (2) 1M x 9  | (2) 1M x 9 |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 8MB  | (2) 1M x 9  | (2) 1M x 9  | (2) 1M x 9 | (2) 1M x 9 |
          |------+-------------+-------------+------------+------------|
          | 8MB  | (2) 4M x 9  |    NONE     |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 9MB  | (2) 256K x  | (2) 256K x  | (2) 4M x 9 |    NONE    |
          |      |      9      |      9      |            |            |
          |------+-------------+-------------+------------+------------|
          | 10MB | (2) 1M x 9  | (2) 4M x 9  |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 12MB | (2) 1M x 9  | (2) 1M x 9  | (2) 4M x 9 |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 16MB | (2) 4M x 9  | (2) 4M x 9  |    NONE    |    NONE    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     SRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |     Cache SRAM     |        TAG         |
          |------------------+--------------------+--------------------|
          |       16KB       |     (2) 8K x 8     |     (1) 8K x 8     |
          |------------------+--------------------+--------------------|
          |       64KB       |    (2) 32K x 8     |     (1) 8K x 8     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 SRAM JUMPER CONFIGURATION                  |
          |------------------------------------------------------------|
          |       Size       |        JP5         |        JP6         |
          |------------------+--------------------+--------------------|
          |       16KB       |        open        |        open        |
          |------------------+--------------------+--------------------|
          |       64KB       |       closed       |       closed       |
          +------------------------------------------------------------+