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

   OPTIPLEX 560/L

   Processor        Pentium                                       
   Processor Speed  60/66MHz                                      
   Chip Set         Intel                                         
   Video Chip Set   Cirrus Logic                                  
   Maximum Onboard  128MB                                         
   Memory           
   Maximum Video    1MB                                           
   Memory           
   Cache            256KB                                         
   BIOS             Unidentified                                  
   Dimensions       330mm x 218mm                                 
   I/O Options      Floppy drive interface, IDE interface,        
                    parallel port, PS/2 mouse port, serial ports  
                    (2), feature connector, VGA port, riser slot  
   NPU Options      None                                          

<gopher://bitreich.org/I/th99/m/C-D/33647-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | Feature connector |   CN1    | IDE interface    |   CN7    |
   |-------------------+----------+------------------+----------|
   | PS/2 mouse port   |   CN2    | Floppy drive     |   CN8    |
   |                   |          | interface        |          |
   |-------------------+----------+------------------+----------|
   | Serial port 2     |   CN3    | IDE interface    |    J1    |
   |                   |          | LED 1            |          |
   |-------------------+----------+------------------+----------|
   | Serial port 1     |   CN4    | IDE interface    |    J2    |
   |                   |          | LED 2            |          |
   |-------------------+----------+------------------+----------|
   | Parallel port     |   CN5    | Front panel      |  PANEL   |
   |                   |          | connector        |          |
   |-------------------+----------+------------------+----------|
   | VGA port          |   CN6    | Riser slot       |   SL1    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Function                 | Label | Position |
   |-----------------------------------------+-------+----------|
   |>> | System BIOS read from flash BIOS    |  CDR  |   Open   |
   |---+-------------------------------------+-------+----------|
   |   | System BIOS read from a special ISA |  CDR  |  Closed  |
   |   | slot (use when flash is corrupt)    |       |          |
   |---+-------------------------------------+-------+----------|
   |>> | CMOS memory normal operation        |  CLR  |   Open   |
   |---+-------------------------------------+-------+----------|
   |   | CMOS memory clear                   |  CLR  |  Closed  |
   |---+-------------------------------------+-------+----------|
   |>> | Password enabled                    | PASS  |  Closed  |
   |---+-------------------------------------+-------+----------|
   |   | Password disabled                   | PASS  |   Open   |
   +------------------------------------------------------------+

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

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   | Note: 256KB cache is factory installed and is not          |
   | configurable.                                              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 VIDEO MEMORY CONFIGURATION                 |
   |------------------------------------------------------------|
   | Note: 1MB video is factory installed and is not            |
   | configurable.                                              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CPU SPEED SELECTION                     |
   |------------------------------------------------------------|
   |           Speed            |              JP1              |
   |----------------------------+-------------------------------|
   |           60MHz            |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |           66MHz            |       Pins 3 & 4 closed       |
   +------------------------------------------------------------+