(TXT) View Source
       
       # CRYSTAL COMPUTER SYSTEMS
       
          CX 425S CACHE
       
                                                                         
          Processor             80386SX/CX486SLC                         
          Processor Speed       25/33MHz                                 
          Chip Set              OPTI                                     
          Max. Onboard DRAM     16MB                                     
          Cache                 16/32/64/128KB                           
          BIOS                  AMI/Award                                
          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  |
          |--------------------------------------+--------+------------|
          | » | Battery type select internal     |  JP1   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Battery type select external     |  JP1   |    Open    |
          |---+----------------------------------+--------+------------|
          | » | Monitor type select color (Auto  |  JP2   |    Open    |
          |   | detect)                          |        |            |
          |---+----------------------------------+--------+------------|
          |   | Monitor type select monochrome   |  JP2   |   Closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |  Size  |   Bank 0   |   Bank 1   |   Bank 2   |   Bank 3   |
          |--------+------------+------------+------------+------------|
          | 512KB  | (2) 256K x |    NONE    |    NONE    |    NONE    |
          |        |     9      |            |            |            |
          |--------+------------+------------+------------+------------|
          |  1MB   | (2) 256K x | (2) 256K x |    NONE    |    NONE    |
          |        |     9      |     9      |            |            |
          |--------+------------+------------+------------+------------|
          | 1.5MB  | (2) 256K x | (2) 256K x | (2) 256K x |    NONE    |
          |        |     9      |     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    |
          |--------+------------+------------+------------+------------|
          | 2.5MB  | (2) 1M x 9 | (2) 256K x |    NONE    |    NONE    |
          |        |            |     9      |            |            |
          |--------+------------+------------+------------+------------|
          |  3MB   | (2) 1M x 9 | (2) 256K x | (2) 256K x |    NONE    |
          |        |            |     9      |     9      |            |
          |--------+------------+------------+------------+------------|
          | 3.5MB  | (2) 1M x 9 | (2) 256K x | (2) 256K x | (2) 256K x |
          |        |            |     9      |     9      |     9      |
          |--------+------------+------------+------------+------------|
          |  4MB   | (2) 1M x 9 | (2) 1M x 9 |    NONE    |    NONE    |
          |--------+------------+------------+------------+------------|
          | 4.5MB  | (2) 1M x 9 | (2) 1M x 9 | (2) 256K x |    NONE    |
          |        |            |            |     9      |            |
          |--------+------------+------------+------------+------------|
          |  5MB   | (2) 1M x 9 | (2) 1M x 9 | (2) 256K x | (2) 256K x |
          |        |            |            |     9      |     9      |
          |--------+------------+------------+------------+------------|
          |  6MB   | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 |    NONE    |
          |--------+------------+------------+------------+------------|
          | 6.5MB  | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | (2) 256K x |
          |        |            |            |            |     9      |
          |--------+------------+------------+------------+------------|
          |  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    |
          |--------+------------+------------+------------+------------|
          | 8.5MB  | (2) 4M x 9 | (2) 256K x |    NONE    |    NONE    |
          |        |            |     9      |            |            |
          |--------+------------+------------+------------+------------|
          |  9MB   | (2) 4M x 9 | (2) 256K x | (2) 256K x |    NONE    |
          |        |            |     9      |     9      |            |
          |--------+------------+------------+------------+------------|
          | 9.5MB  | (2) 4M x 9 | (2) 256K x | (2) 256K x | (2) 256K x |
          |        |            |     9      |     9      |     9      |
          |--------+------------+------------+------------+------------|
          |  10MB  | (2) 4M x 9 | (2) 1M x 9 |    NONE    |    NONE    |
          |--------+------------+------------+------------+------------|
          | 10.5MB | (2) 4M x 9 | (2) 1M x 9 | (2) 256K x |    NONE    |
          |        |            |            |     9      |            |
          |--------+------------+------------+------------+------------|
          |  11MB  | (2) 4M x 9 | (2) 1M x 9 | (2) 256K x | (2) 256K x |
          |        |            |            |     9      |     9      |
          |--------+------------+------------+------------+------------|
          |  12MB  | (2) 4M x 9 | (2) 1M x 9 | (2) 1M x 9 |    NONE    |
          |--------+------------+------------+------------+------------|
          | 12.5MB | (2) 4M x 9 | (2) 1M x 9 | (2) 1M x 9 | (2) 256K x |
          |        |            |            |            |     9      |
          |--------+------------+------------+------------+------------|
          |  14MB  | (2) 4M x 9 | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 |
          |--------+------------+------------+------------+------------|
          |  16MB  | (2) 4M x 9 | (2) 4M x 9 |    NONE    |    NONE    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size  |   Bank 0    |   Bank 1   | TAG (U32)  | TAG (U33)  |
          |-------+-------------+------------+------------+------------|
          | 16KB  | (2) 8K x 8  |    NONE    | (1) 8K x 8 |    NONE    |
          |-------+-------------+------------+------------+------------|
          | 32KB  | (2) 8K x 8  | (2) 8K x 8 | (1) 8K x 8 |    NONE    |
          |-------+-------------+------------+------------+------------|
          | 64KB  | (2) 32K x 8 |    NONE    | (1) 8K x 8 |    NONE    |
          |-------+-------------+------------+------------+------------|
          | 128KB | (2) 32K x 8 | (2) 32K x  | (1) 8K x 8 | (1) 8K x 8 |
          |       |             |     8      |            |            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |  Size  |  JP3   |  JP5   |  JP6   |  JP7  |  JP8   |  JP9  |
          |--------+--------+--------+--------+-------+--------+-------|
          |  16KB  |  Open  |  Open  |  Open  | 2 & 3 |  Open  | 2 & 3 |
          |--------+--------+--------+--------+-------+--------+-------|
          |  32KB  |  Open  | Closed |  Open  | 2 & 3 |  Open  | 2 & 3 |
          |--------+--------+--------+--------+-------+--------+-------|
          |  64KB  |  Open  | Closed | Closed | 1 & 2 |  Open  | 2 & 3 |
          |--------+--------+--------+--------+-------+--------+-------|
          | 128KB  | Closed | Closed | Closed | 1 & 2 | Closed | 1 & 2 |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+