DELL COMPUTER CORPORATION
=========================

   OPTIPLEX NX

   Processor        Pentium II                                    
   Processor Speed  233/266/300MHz                                
   Chip Set         Intel                                         
   Video Chip Set   ATI                                           
   Maximum Onboard  384MB (SDRAM supported)                       
   Memory           
   Maximum Video    4MB                                           
   Memory           
   Cache            512KB (located on Pentium II CPU)             
   BIOS             Unidentified                                  
   Dimensions       305mm x 244mm                                 
   I/O Options      Ethernet connector, floppy drive interface,   
                    IDE interfaces (2), parallel port, PS/2 mouse 
                    port, serial ports (2), VGA port, riser slot, 
                    USB connectors (2), line in, line out,        
                    microphone in                                 
   NPU Options      None                                          

<gopher://bitreich.org/I/th99/m/C-D/34709-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | 3.3v auxiliary    |    C1    | USB connector 1  |   CN7    |
   | power             |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Front panel       |    C2    | USB connector 2  |   CN8    |
   | connector         |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Chassis fan power |    C3    | PS/2 mouse port  |   CN9    |
   |-------------------+----------+------------------+----------|
   | 3.3v power        |    C4    | Parallel port    |   CN10   |
   |-------------------+----------+------------------+----------|
   | Line in           |   CN1    | Serial port 1    |   CN11   |
   |-------------------+----------+------------------+----------|
   | Line out          |   CN2    | IDE interface 2  |   CN12   |
   |-------------------+----------+------------------+----------|
   | Microphone in     |   CN3    | IDE interface 1  |   CN13   |
   |-------------------+----------+------------------+----------|
   | Ethernet          |   CN4    | Floppy drive     |   CN14   |
   | connector         |          | interface        |          |
   |-------------------+----------+------------------+----------|
   | VGA port          |   CN5    | Riser slot       |   SL1    |
   |-------------------+----------+------------------+----------|
   | Serial port 2     |   CN6    |                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function                | Label  | Position  |
   |---------------------------------------+--------+-----------|
   |>> | Factory configured - do not alter |   J1   |   Open    |
   |---+-----------------------------------+--------+-----------|
   |>> | Factory configured - do not alter |   J5   |   Open    |
   |---+-----------------------------------+--------+-----------|
   |>> | Password enabled                  |   J6   |  Closed   |
   |---+-----------------------------------+--------+-----------|
   |   | Password disabled                 |   J6   |   Open    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DIMM CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size    |    Bank 0     |    Bank 1     |    Bank 2     |
   |------------+---------------+---------------+---------------|
   |    8MB     |  (1) 1M x 64  |     None      |     None      |
   |------------+---------------+---------------+---------------|
   |    16MB    |  (1) 2M x 64  |     None      |     None      |
   |------------+---------------+---------------+---------------|
   |    16MB    |  (1) 1M x 64  |  (1) 1M x 64  |     None      |
   |------------+---------------+---------------+---------------|
   |    24MB    |  (1) 2M x 64  |  (1) 1M x 64  |     None      |
   |------------+---------------+---------------+---------------|
   |    24MB    |  (1) 1M x 64  |  (1) 1M x 64  |  (1) 1M x 64  |
   |------------+---------------+---------------+---------------|
   |    32MB    |  (1) 4M x 64  |     None      |     None      |
   |------------+---------------+---------------+---------------|
   |    32MB    |  (1) 2M x 64  |  (1) 2M x 64  |     None      |
   |------------+---------------+---------------+---------------|
   |    40MB    |  (1) 4M x 64  |  (1) 1M x 64  |     None      |
   |------------+---------------+---------------+---------------|
   |    48MB    |  (1) 4M x 64  |  (1) 2M x 64  |     None      |
   |------------+---------------+---------------+---------------|
   |    48MB    |  (1) 2M x 64  |  (1) 2M x 64  |  (1) 2M x 64  |
   |------------+---------------+---------------+---------------|
   |    64MB    |  (1) 8M x 64  |     None      |     None      |
   |------------+---------------+---------------+---------------|
   |    64MB    |  (1) 4M x 64  |  (1) 4M x 64  |     None      |
   |------------+---------------+---------------+---------------|
   |    72MB    |  (1) 8M x 64  |  (1) 1M x 64  |     None      |
   |------------+---------------+---------------+---------------|
   |    80MB    |  (1) 8M x 64  |  (1) 2M x 64  |     None      |
   |------------+---------------+---------------+---------------|
   |    96MB    |  (1) 8M x 64  |  (1) 4M x 64  |     None      |
   |------------+---------------+---------------+---------------|
   |    96MB    |  (1) 4M x 64  |  (1) 4M x 64  |  (1) 4M x 64  |
   |------------+---------------+---------------+---------------|
   |   128MB    | (1) 16M x 64  |     None      |     None      |
   |------------+---------------+---------------+---------------|
   |   128MB    |  (1) 8M x 64  |  (1) 8M x 64  |     None      |
   |------------+---------------+---------------+---------------|
   |   136MB    | (1) 16M x 64  |  (1) 1M x 64  |     None      |
   |------------+---------------+---------------+---------------|
   |   144MB    | (1) 16M x 64  |  (1) 2M x 64  |     None      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DIMM CONFIGURATION (CON'T)                 |
   |------------------------------------------------------------|
   |    Size    |    Bank 0     |    Bank 1     |    Bank 2     |
   |------------+---------------+---------------+---------------|
   |   160MB    | (1) 16M x 64  |  (1) 4M x 64  |     None      |
   |------------+---------------+---------------+---------------|
   |   192MB    | (1) 16M x 64  |  (1) 8M x 64  |     None      |
   |------------+---------------+---------------+---------------|
   |   192MB    |  (1) 8M x 64  |  (1) 8M x 64  |  (1) 8M x 64  |
   |------------+---------------+---------------+---------------|
   |   256MB    | (1) 16M x 64  | (1) 16M x 64  |     None      |
   |------------+---------------+---------------+---------------|
   |   384MB    | (1) 16M x 64  | (1) 16M x 64  | (1) 16M x 64  |
   |------------------------------------------------------------|
   |      Note: Board accepts EDO memory.                       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   | Note: 512KB cache is located on the Pentium II CPU.        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 VIDEO MEMORY CONFIGURATION                 |
   |------------------------------------------------------------|
   | Note: Board accepts 2MB/4MB video memory. The              |
   | configuration is unidentified.                             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CPU SPEED SELECTION                     |
   |------------------------------------------------------------|
   |   CPU   |  Clock   | Multiplier |   J2   |   J3   |   J4   |
   |  speed  |  speed   |            |        |        |        |
   |---------+----------+------------+--------+--------+--------|
   | 233MHz  |  66MHz   |    3.5x    |  Open  |  Open  | Closed |
   |---------+----------+------------+--------+--------+--------|
   | 266MHz  |  66MHz   |     4x     |  Open  | Closed |  Open  |
   |---------+----------+------------+--------+--------+--------|
   | 300MHz  |  66MHz   |    4.5x    | Closed |  Open  |  Open  |
   +------------------------------------------------------------+