(TXT) View Source
       
       # DELL COMPUTER CORPORATION
       
          OMNIPLEX 4XX/ME
       
       Processor  80486SX/80486DX/80486DX2/80486DX4                             
       Processor  25/33/50(internal)/66(internal)/75(internal)/100(internal)MHz 
       Speed      
       Chip Set   Intel                                                         
       Video Chip ATI                                                           
       Set        
       Maximum    128MB                                                         
       Onboard    
       Memory     
       Maximum    1MB                                                           
       Video      
       Memory     
       Cache      256KB                                                         
       BIOS       Unidentified                                                  
       Dimensions 330mm x 218mm                                                 
       I/O        Floppy drive interface, IDE interface, parallel port, PS/2    
       Options    mouse port, serial ports (2), feature connector, VGA port,    
                  riser slot, cache slot                                        
       NPU        None                                                          
       Options    
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | Feature connector |   CN1    | Thermal monitor  |   CN9    |
          |                   |          | board connector  |          |
          |-------------------+----------+------------------+----------|
          | PS/2 mouse port   |   CN2    | IDE interface    |    J1    |
          |                   |          | LED              |          |
          |-------------------+----------+------------------+----------|
          | Serial port 1     |   CN3    | Chassis fan      |    J2    |
          |                   |          | power            |          |
          |-------------------+----------+------------------+----------|
          | Serial port 2     |   CN4    | Speaker          |    J3    |
          |-------------------+----------+------------------+----------|
          | Parallel port     |   CN5    | External battery |    J4    |
          |-------------------+----------+------------------+----------|
          | VGA port          |   CN6    | Audio connector  |    J5    |
          |-------------------+----------+------------------+----------|
          | IDE interface     |   CN7    | Riser slot       |   SL1    |
          |-------------------+----------+------------------+----------|
          | Floppy drive      |   CN8    | Cache slot       |   SL2    |
          | interface         |          |                  |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function               | Label |   Position   |
          |-------------------------------------+-------+--------------|
          | » | Factory configured - do not     | BOOT  |     Open     |
          |   | alter                           |       |              |
          |---+---------------------------------+-------+--------------|
          | » | Factory configured - do not     |  CRD  |     Open     |
          |   | alter                           |       |              |
          |---+---------------------------------+-------+--------------|
          | » | EISA configuration normal       | EISA  |     Open     |
          |   | operation                       |       |              |
          |---+---------------------------------+-------+--------------|
          |   | EISA configuration clear        | EISA  |    Closed    |
          |---+---------------------------------+-------+--------------|
          | » | Factory configured - do not     |  JC1  | Unidentified |
          |   | alter                           |       |              |
          |---+---------------------------------+-------+--------------|
          | » | Factory configured - do not     |  JC2  | Unidentified |
          |   | alter                           |       |              |
          |---+---------------------------------+-------+--------------|
          | » | Factory configured - do not     |  JC3  | Unidentified |
          |   | alter                           |       |              |
          |---+---------------------------------+-------+--------------|
          | » | Factory configured - do not     |  JC4  | Unidentified |
          |   | alter                           |       |              |
          |---+---------------------------------+-------+--------------|
          | » | Factory configured - do not     |  JC5  | Unidentified |
          |   | alter                           |       |              |
          |---+---------------------------------+-------+--------------|
          | » | Factory configured - do not     |  JP2  | Unidentified |
          |   | alter                           |       |              |
          |---+---------------------------------+-------+--------------|
          | » | Factory configured - do not     |  JP4  | Unidentified |
          |   | alter                           |       |              |
          |---+---------------------------------+-------+--------------|
          | » | Factory configured - do not     |  JP5  | Unidentified |
          |   | alter                           |       |              |
          |---+---------------------------------+-------+--------------|
          | » | Integrated SCSI host adapter    | SCSI  |    Closed    |
          |   | terminated                      |       |              |
          |---+---------------------------------+-------+--------------|
          |   | Integrated SCSI host adapter    | SCSI  |     Open     |
          |   | not terminated                  |       |              |
          |---+---------------------------------+-------+--------------|
          | » | On board video enabled          | SW1/1 |      On      |
          |---+---------------------------------+-------+--------------|
          |   | On board video disabled         | SW1/1 |     Off      |
          |---+---------------------------------+-------+--------------|
          | » | Password enabled                | SW1/2 |      On      |
          |---+---------------------------------+-------+--------------|
          |   | Password disabled               | SW1/2 |     Off      |
          |---+---------------------------------+-------+--------------|
          | » | I/O controller address select   | SW1/3 |      On      |
          |   | 26Eh - 26Fh                     |       |              |
          |---+---------------------------------+-------+--------------|
          |   | I/O controller address select   | SW1/3 |     Off      |
          |   | 398h - 399h                     |       |              |
          |---+---------------------------------+-------+--------------|
          | » | Flash BIOS update at boot       | SW1/4 |      On      |
          |---+---------------------------------+-------+--------------|
          |   | flash BIOS not updated at boot  | SW1/4 |     Off      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |       4MB        |   (2) 512K x 36    |        None        |
          |------------------+--------------------+--------------------|
          |       8MB        |    (2) 1M x 36     |        None        |
          |------------------+--------------------+--------------------|
          |       8MB        |   (2) 512K x 36    |   (2) 512K x 36    |
          |------------------+--------------------+--------------------|
          |       12MB       |    (2) 1M x 36     |   (2) 512K x 36    |
          |------------------+--------------------+--------------------|
          |       16MB       |    (2) 2M x 36     |        None        |
          |------------------+--------------------+--------------------|
          |       16MB       |    (2) 1M x 36     |    (2) 1M x 36     |
          |------------------+--------------------+--------------------|
          |       20MB       |    (2) 2M x 36     |   (2) 512K x 36    |
          |------------------+--------------------+--------------------|
          |       24MB       |    (2) 2M x 36     |    (2) 1M x 36     |
          |------------------+--------------------+--------------------|
          |       32MB       |    (2) 4M x 36     |        None        |
          |------------------+--------------------+--------------------|
          |       32MB       |    (2) 2M x 36     |    (2) 2M x 36     |
          |------------------+--------------------+--------------------|
          |       36MB       |    (2) 4M x 36     |   (2) 512K x 36    |
          |------------------+--------------------+--------------------|
          |       40MB       |    (2) 4M x 36     |    (2) 1M x 36     |
          |------------------+--------------------+--------------------|
          |       48MB       |    (2) 4M x 36     |    (2) 2M x 36     |
          |------------------+--------------------+--------------------|
          |       64MB       |    (2) 8M x 36     |        None        |
          |------------------+--------------------+--------------------|
          |       64MB       |    (2) 4M x 36     |    (2) 4M x 36     |
          |------------------+--------------------+--------------------|
          |       68MB       |    (2) 8M x 36     |   (2) 512K x 36    |
          |------------------+--------------------+--------------------|
          |       72MB       |    (2) 8M x 36     |    (2) 1M x 36     |
          |------------------+--------------------+--------------------|
          |       80MB       |    (2) 8M x 36     |    (2) 2M x 36     |
          |------------------+--------------------+--------------------|
          |       96MB       |    (2) 8M x 36     |    (2) 4M x 36     |
          |------------------+--------------------+--------------------|
          |      128MB       |    (2) 8M x 36     |    (2) 8M x 36     |
          |------------------------------------------------------------|
          | Note: Board also accepts x 32 SIMMs.                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |            Size            |              SL1              |
          |----------------------------+-------------------------------|
          |           256KB            |    256KB module installed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 VIDEO MEMORY CONFIGURATION                 |
          |------------------------------------------------------------|
          |      Size       |      Bank 0      |        Bank 1         |
          |-----------------+------------------+-----------------------|
          |      512KB      |      512KB       |         None          |
          |-----------------+------------------+-----------------------|
          |       1MB       |      512KB       |     (4) 256K x 4      |
          |------------------------------------------------------------|
          | Note: Bank 0 is factory installed and is not configurable. |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CPU SPEED SELECTION                     |
          |------------------------------------------------------------|
          |       Speed        |        JP1        |        JP3        |
          |--------------------+-------------------+-------------------|
          |       25MHz        |      Closed       |       Open        |
          |--------------------+-------------------+-------------------|
          |       33MHz        |       Open        |      Closed       |
          |--------------------+-------------------+-------------------|
          |       50iMHz       |      Closed       |       Open        |
          |--------------------+-------------------+-------------------|
          |       66iMHz       |       Open        |      Closed       |
          |--------------------+-------------------+-------------------|
          |       75iMHz       |      Closed       |       Open        |
          |--------------------+-------------------+-------------------|
          |      100iMHz       |       Open        |      Closed       |
          +------------------------------------------------------------+