(TXT) View Source
       
       # DELL COMPUTER CORPORATION
       
          System 425E/433E
       
          Processor             80486DX                                  
          Processor Speed       25/33MHz                                 
          Chip Set              VLSI                                     
          Max. Onboard DRAM     32MB                                     
          Cache                 None                                     
          BIOS                  AMI                                      
          Dimensions            353mm x 291mm                            
          I/O Options           Parallel port, serial ports (2)          
          NPU Options           4167                                     
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose         | Location | Purpose            | Location |
          |-----------------+----------+--------------------+----------|
          | Serial port one |   COM1   | Power LED &        |  KYLCK   |
          |                 |          | keylock            |          |
          |-----------------+----------+--------------------+----------|
          | Serial port two |   COM2   | Parallel port      |   LPT1   |
          |-----------------+----------+--------------------+----------|
          | Reset switch    |   J20    | Speaker            |   SPKR   |
          |-----------------+----------+--------------------+----------|
          | Keyboard        |   KBD    |                    |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | Factory configured - do not      |  JM2   |    Open    |
          |   | alter                            |        |            |
          |---+----------------------------------+--------+------------|
          | » | Monitor type select color        |  JM4   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Monitor type select monochrome   |  JM4   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size |   Bank 0    |   Bank 1    |   Bank 2   |   Bank 3   |
          |------+-------------+-------------+------------+------------|
          | 2MB  | (2) 256K x  |    NONE     |    NONE    |    NONE    |
          |      |     36      |             |            |            |
          |------+-------------+-------------+------------+------------|
          | 4MB  | (2) 256K x  | (2) 256K x  |    NONE    |    NONE    |
          |      |     36      |     36      |            |            |
          |------+-------------+-------------+------------+------------|
          | 6MB  | (2) 256K x  | (2) 256K x  | (2) 256K x |    NONE    |
          |      |     36      |     36      |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 8MB  | (2) 256K x  | (2) 256K x  | (2) 256K x | (2) 256K x |
          |      |     36      |     36      |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 8MB  | (2) 1M x 36 |    NONE     |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 10MB | (2) 1M x 36 | (2) 256K x  |    NONE    |    NONE    |
          |      |             |     36      |            |            |
          |------+-------------+-------------+------------+------------|
          | 12MB | (2) 1M x 36 | (2) 256K x  | (2) 256K x |    NONE    |
          |      |             |     36      |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 14MB | (2) 1M x 36 | (2) 256K x  | (2) 256K x | (2) 256K x |
          |      |             |     36      |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 16MB | (2) 1M x 36 | (2) 1M x 36 |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 18MB | (2) 1M x 36 | (2) 1M x 36 | (2) 256K x |    NONE    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 20MB | (2) 1M x 36 | (2) 1M x 36 | (2) 256K x | (2) 256K x |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 24MB | (2) 1M x 36 | (2) 1M x 36 |  (2) 1M x  |    NONE    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 28MB | (2) 1M x 36 | (2) 1M x 36 |  (2) 1M x  | (2) 256K x |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 32MB | (2) 1M x 36 | (2) 1M x 36 |  (2) 1M x  |  (2) 1M x  |
          |      |             |             |     36     |     36     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM JUMPER CONFIGURATION                  |
          |------------------------------------------------------------|
          |   Size   |    J26A    |    J26B    |   J26C    |   J26D    |
          |----------+------------+------------+-----------+-----------|
          |   2MB    |   Closed   |    N/A     |    N/A    |    N/A    |
          |----------+------------+------------+-----------+-----------|
          |   4MB    |   Closed   |   Closed   |    N/A    |    N/A    |
          |----------+------------+------------+-----------+-----------|
          |   6MB    |   Closed   |   Closed   |  Closed   |    N/A    |
          |----------+------------+------------+-----------+-----------|
          |   8MB    |   Closed   |   Closed   |  Closed   |  Closed   |
          |----------+------------+------------+-----------+-----------|
          |   8MB    |    Open    |    N/A     |    N/A    |    N/A    |
          |----------+------------+------------+-----------+-----------|
          |   10MB   |    Open    |   Closed   |    N/A    |    N/A    |
          |----------+------------+------------+-----------+-----------|
          |   12MB   |    Open    |   Closed   |  Closed   |    N/A    |
          |----------+------------+------------+-----------+-----------|
          |   14MB   |    Open    |   Closed   |  Closed   |  Closed   |
          |----------+------------+------------+-----------+-----------|
          |   16MB   |    Open    |    Open    |    N/A    |    N/A    |
          |----------+------------+------------+-----------+-----------|
          |   18MB   |    Open    |    Open    |  Closed   |    N/A    |
          |----------+------------+------------+-----------+-----------|
          |   20MB   |    Open    |    Open    |  Closed   |  Closed   |
          |----------+------------+------------+-----------+-----------|
          |   24MB   |    Open    |    Open    |   Open    |    N/A    |
          |----------+------------+------------+-----------+-----------|
          |   28MB   |    Open    |    Open    |   Open    |  Closed   |
          |----------+------------+------------+-----------+-----------|
          |   32MB   |    Open    |    Open    |   Open    |   Open    |
          +------------------------------------------------------------+