(TXT) View Source
       
       # DELL COMPUTER CORPORATION
       
          SYSTEM V486/50/66 FS
       
          Processor    80486DX2                                          
          Processor    50(internal)/66(internal)MHz                      
          Speed        
          Chip Set     LSI                                               
          Max. Onboard 64MB                                              
          DRAM         
          Cache        128KB                                             
          BIOS         Unidentified                                      
          Dimensions   330mm x 218mm                                     
          I/O Options  Floppy drive interface, IDE interface, parallel   
                       interface, PS/2 mouse interface, serial ports     
                       (2), VGA feature connector                        
          NPU Options  None                                              
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | External battery  |   CN1    | Floppy drive     |   CN6    |
          |                   |          | interface        |          |
          |-------------------+----------+------------------+----------|
          | IDE interface LED |   CN2    | Parallel port    |   CN7    |
          |-------------------+----------+------------------+----------|
          | Chassis fan power |   CN3    | Serial port      |   CN8    |
          |-------------------+----------+------------------+----------|
          | VGA feature       |   CN4    | PS/2 mouse       |   CN9    |
          | connector         |          | interface        |          |
          |-------------------+----------+------------------+----------|
          | IDE interface     |   CN5    |                  |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |                Function                | Jumper | Position |
          |----------------------------------------+--------+----------|
          | » | Mouse connector enabled ( uses     |   J1   |  Closed  |
          |   | IRQ12)                             |        |          |
          |---+------------------------------------+--------+----------|
          |   | Mouse connector disabled           |   J1   |   Open   |
          |---+------------------------------------+--------+----------|
          | » | I/O address select (26Eh-26Fh)     |   J2   |  Closed  |
          |---+------------------------------------+--------+----------|
          |   | I/O address select (398h-399h)     |   J2   |   Open   |
          |---+------------------------------------+--------+----------|
          | » | Factory configured - do not alter  |   J3   |   Open   |
          |---+------------------------------------+--------+----------|
          | » | Factory configured - do not alter  |   J4   |  Closed  |
          |---+------------------------------------+--------+----------|
          | » | CMOS memory normal operation       |   J5   |  Closed  |
          |---+------------------------------------+--------+----------|
          |   | CMOS memory clear                  |   J5   |   Open   |
          |---+------------------------------------+--------+----------|
          | » | Internal VGA enabled               |   J6   |  Closed  |
          |---+------------------------------------+--------+----------|
          |   | Internal VGA disabled              |   J6   |   Open   |
          |---+------------------------------------+--------+----------|
          | » | Factory configured - do not alter  |   J7   |   Open   |
          |---+------------------------------------+--------+----------|
          | » | Factory configured - do not alter  |   J8   |   Open   |
          |---+------------------------------------+--------+----------|
          | » | Factory configured - do not alter  |  J11   |   Open   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size |   Bank 0    |   Bank 1    |   Bank 2   |   Bank 3   |
          |------+-------------+-------------+------------+------------|
          | 4MB  | (1) 1M x 36 |    NONE     |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 8MB  | (1) 1M x 36 | (1) 1M x 36 |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 12MB | (1) 1M x 36 | (1) 1M x 36 |  (1) 1M x  |    NONE    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 16MB | (1) 1M x 36 | (1) 1M x 36 |  (1) 1M x  |  (1) 1M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 16MB | (1) 4M x 36 |    NONE     |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 20MB | (1) 1M x 36 | (1) 4M x 36 |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 24MB | (1) 1M x 36 | (1) 1M x 36 |  (1) 4M x  |    NONE    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 28MB | (1) 1M x 36 | (1) 1M x 36 |  (1) 1M x  |  (1) 4M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 32MB | (1) 4M x 36 | (1) 4M x 36 |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 36MB | (1) 1M x 36 | (1) 4M x 36 |  (1) 4M x  |    NONE    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 40MB | (1) 1M x 36 | (1) 1M x 36 |  (1) 4M x  |  (1) 4M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 48MB | (1) 4M x 36 | (1) 4M x 36 |  (1) 4M x  |    NONE    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 52MB | (1) 1M x 36 | (1) 4M x 36 |  (1) 4M x  |  (1) 4M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 64MB | (1) 4M x 36 | (1) 4M x 36 |  (1) 4M x  |  (1) 4M x  |
          |      |             |             |     36     |     36     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  CPU SPEED CONFIGURATION                   |
          |------------------------------------------------------------|
          |        Size        |        J9         |        J10        |
          |--------------------+-------------------+-------------------|
          |       25MHz        |      Closed       |       Open        |
          |--------------------+-------------------+-------------------|
          |       33MHz        |       Open        |      Closed       |
          |--------------------+-------------------+-------------------|
          |       50iMHz       |      Closed       |       Open        |
          |--------------------+-------------------+-------------------|
          |       66iMHz       |       Open        |      Closed       |
          +------------------------------------------------------------+