(TXT) View Source
       
       # UNIDENTIFIED
       
          486CCL/486CCI
       
          Processor         80486SX/80487SX/80486DX/ODP486SX/80486DX2    
          Processor Speed   25/33/40/50(internal)/50/66(internal)MHz     
          Chip Set          Contaq                                       
          Max. Onboard DRAM 32MB                                         
          Cache             64/128/256KB                                 
          BIOS              AMI                                          
          Dimensions        248mm x 220mm                                
          I/O Options       32-bit VESA local bus slots (2)              
          NPU Options       None                                         
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | External battery  |    J1    | Reset switch     |    J5    |
          |-------------------+----------+------------------+----------|
          | Power LED &       |    J2    | Speaker          |    J6    |
          | keylock           |          |                  |          |
          |-------------------+----------+------------------+----------|
          | Turbo LED         |    J3    | 32-bit VESA      |  SL1 &   |
          |                   |          | local bus slots  |   SL2    |
          |-------------------+----------+------------------+----------|
          | Turbo switch      |    J4    |                  |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | VGA card select Cirrus Logic     |  JP29  | pins 1 & 2 |
          |   | 5426 only                        |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | VGA card select non Cirrus Logic |  JP29  | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | VESA card select normal          | JP105  | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | VESA card select special         | JP105  | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |------------------------------------------------------------|
          | Note: Jumpers JP29 & JP105 are only on the 486CCL.         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     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) 32K x 8  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |       Size       |        RN4         |        RN5         |
          |------------------+--------------------+--------------------|
          |       64KB       |   Not installed    |   Not installed    |
          |------------------+--------------------+--------------------|
          |      128KB       |   Not installed    |     Installed      |
          |------------------+--------------------+--------------------|
          |      256KB       |     Installed      |   Not installed    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |        Type        |        JP1        |        JP5        |
          |--------------------+-------------------+-------------------|
          |     80486 PGA      |       Open        |       Open        |
          |--------------------+-------------------+-------------------|
          |     80486 PQFP     |      Closed       |      Closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |    Type     |      RN1      |      RN2      |     RN3      |
          |-------------+---------------+---------------+--------------|
          |   80486SX   | Not installed |   Installed   |     Not      |
          |             |               |               |  installed   |
          |-------------+---------------+---------------+--------------|
          |  ODP486SX   | Not installed | Not installed |  Installed   |
          |-------------+---------------+---------------+--------------|
          |   80487SX   | Not installed | Not installed |  Installed   |
          |-------------+---------------+---------------+--------------|
          | 80486DX/DX2 |   Installed   | Not installed |     Not      |
          |             |               |               |  installed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  CPU SPEED CONFIGURATION                   |
          |------------------------------------------------------------|
          |  Speed   |   H1    |   H2    |   H3    |   ID3   |  JP30   |
          |----------+---------+---------+---------+---------+---------|
          |  25MHz   | Closed  |  Open   |  Open   |  Open   | Closed  |
          |----------+---------+---------+---------+---------+---------|
          |  33MHz   |  Open   | Closed  |  Open   |  Open   |  Open   |
          |----------+---------+---------+---------+---------+---------|
          |  40MHz   | Closed  | Closed  |  Open   |  Open   |  Open   |
          |----------+---------+---------+---------+---------+---------|
          |  50iMHz  | Closed  |  Open   |  Open   |  Open   | Closed  |
          |----------+---------+---------+---------+---------+---------|
          |  50MHz   |  Open   |  Open   | Closed  | Closed  |  Open   |
          |----------+---------+---------+---------+---------+---------|
          |  66iMHz  |  Open   | Closed  |  Open   |  Open   |  Open   |
          |------------------------------------------------------------|
          |      Note: Jumper ID3 is only on the 486CCL.               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                VESA CARD TYPE CONFIGURATION                |
          |------------------------------------------------------------|
          |           Card select           |    JP106    |   JP107    |
          |---------------------------------+-------------+------------|
          |            Any card             |   Closed    |   Closed   |
          |---------------------------------+-------------+------------|
          |  Weitek P9000 VL-Bus card only  |    Open     |    Open    |
          |------------------------------------------------------------|
          | Note: Jumpers JP106 & JP107 are only on the 486CCL.        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BUS SPEED CONFIGURATION                   |
          |------------------------------------------------------------|
          |         CPU speed          |             JP102             |
          |----------------------------+-------------------------------|
          |          <= 33MHz          |       pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |          > 33MHz           |       pins 2 & 3 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                MISCELLANEOUS TECHNICAL NOTE                |
          |------------------------------------------------------------|
          | Note:Depending on mainboard version, it may not have VESA  |
          | slots and associated jumpers.                              |
          +------------------------------------------------------------+