(TXT) View Source
       
       # ARTEK COMPUTER SYSTEMS, INC.
       
          OPTI 486-33 AT
       
          Processor             80486SX/80486DX                          
          Processor Speed       20/25/33MHz                              
          Chip Set              OPTI                                     
          Max. Onboard DRAM     32MB                                     
          Cache                 64/128/256/512KB                         
          BIOS                  AMI/MR                                   
          Dimensions            330mm x 218mm                            
          I/O Options           None                                     
          NPU Options           4167                                     
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose             |  Location  | Purpose      | Location |
          |---------------------+------------+--------------+----------|
          | External battery    | J1 pins 1  | Turbo LED    |    J4    |
          |                     |    & 4     |              |          |
          |---------------------+------------+--------------+----------|
          | Power LED & keylock |     J2     | Turbo switch |    J5    |
          |---------------------+------------+--------------+----------|
          | Speaker             |     J3     | Reset switch |    J6    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | CMOS memory normal operation     |   J1   | pins 2 & 3 |
          |   | (internal battery)               |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | CMOS memory normal operation     |   J1   |   Closed   |
          |   | (external battery)               |        |            |
          |---+----------------------------------+--------+------------|
          |   | CMOS memory clear                |   J1   | pins 3 & 4 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Bus speed select iOSC/6          |  JP7   |    Open    |
          |---+----------------------------------+--------+------------|
          |   | Bus speed select iOSC/8          |  JP7   |   Closed   |
          |---+----------------------------------+--------+------------|
          | » | Monitor type select color        |  JP12  |   Closed   |
          |---+----------------------------------+--------+------------|
          |   | Monitor type select monochrome   |  JP12  |    Open    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |      Size      |       Bank 0        |       Bank 1        |
          |----------------+---------------------+---------------------|
          |      4MB       |     (4) 1M x 9      |        NONE         |
          |----------------+---------------------+---------------------|
          |      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 (U41)  | TAG (U57)  |
          |-------+-------------+------------+------------+------------|
          | 64KB  | (8) 8K x 8  |    NONE    | (1) 8K x 8 | (1) 64K x  |
          |       |             |            |            |     1      |
          |-------+-------------+------------+------------+------------|
          | 128KB | (8) 8K x 8  | (8) 8K x 8 | (1) 8K x 8 | (1) 64K x  |
          |       |             |            |            |     1      |
          |-------+-------------+------------+------------+------------|
          | 256KB | (8) 32K x 8 |    NONE    | (1) 32K x  | (1) 64K x  |
          |       |             |            |     8      |     1      |
          |-------+-------------+------------+------------+------------|
          | 512KB | (8) 32K x 8 | (8) 32K x  | (1) 32K x  | (1) 64K x  |
          |       |             |     8      |     8      |     1      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          | Size  |      JP6       |  JP8   |  JP9   |  JP10  |  JP11  |
          |-------+----------------+--------+--------+--------+--------|
          | 64KB  |   pins 2 & 3   |  Open  |  Open  |  Open  |  Open  |
          |       |     closed     |        |        |        |        |
          |-------+----------------+--------+--------+--------+--------|
          | 128KB |   pins 2 & 3   |  Open  | Closed |  Open  | Closed |
          |       |     closed     |        |        |        |        |
          |-------+----------------+--------+--------+--------+--------|
          | 256KB |   pins 2 & 3   |  Open  | Closed | Closed | Closed |
          |       |     closed     |        |        |        |        |
          |-------+----------------+--------+--------+--------+--------|
          | 512KB |   pins 1 & 2   | Closed | Closed | Closed | Closed |
          |       |     closed     |        |        |        |        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |   Type   |        JP2        |        JP3        |   JP4   |
          |----------+-------------------+-------------------+---------|
          | 80486SX  |       Open        | pins 1 & 2 closed |  Open   |
          |----------+-------------------+-------------------+---------|
          | 80486DX  | pins 1 & 2 closed | pins 2 & 3 closed | Closed  |
          +------------------------------------------------------------+