ICL
===

   CL486, CL486S/25

   Processor    80486SX/80487SX/80486DX/80486DX2                  
   Processor    25/33/50(internal)/66(internal)MHz                
   Speed        
   Chip Set     Symphony                                          
   Max. Onboard 32MB                                              
   DRAM         
   Cache        None                                              
   BIOS         ICL                                               
   Dimensions   430mm x 352mm                                     
   I/O Options  Floppy drive interface, IDE interface, parallel   
                port, PS/2 mouse port, serial ports (2), VGA port 
   NPU Options  None                                              

<gopher://bitreich.org/I/th99/m/I-L/32526-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose         | Location | Purpose            | Location |
   |-----------------+----------+--------------------+----------|
   | VGA port        |   CN1    | Floppy drive       |   CN6    |
   |                 |          | interface          |          |
   |-----------------+----------+--------------------+----------|
   | PS/2 mouse port |   CN2    | Serial port 2      |   CN7    |
   |-----------------+----------+--------------------+----------|
   | Parallel port   |   CN3    | Chassis fan power  |    J4    |
   |-----------------+----------+--------------------+----------|
   | Serial port 1   |   CN4    | IDE interface LED  |    J5    |
   |-----------------+----------+--------------------+----------|
   | IDE interface   |   CN5    | Riser Card         |   SL1    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | On board VGA enabled             |   J1   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | On board VGA disbled             |   J1   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | CMOS memory normal operation     |   J2   |    Open    |
   |---+----------------------------------+--------+------------|
   |   | CMOS memory clear                |   J2   |   Closed   |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |   J3   |    N/A     |
   |   | alter                            |        |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       4MB        |     (4) 1M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       16MB       |     (4) 4M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |       20MB       |     (4) 4M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU TYPE CONFIGURATION                   |
   |------------------------------------------------------------|
   |            Type            |              T13              |
   |----------------------------+-------------------------------|
   |          80486SX           |   pins 2 & 3, 5 & 6 closed    |
   |----------------------------+-------------------------------|
   |          80487SX           |   pins 2 & 3, 5 & 6 closed    |
   |----------------------------+-------------------------------|
   |          80486DX           |   pins 1 & 2, 4 & 5 closed    |
   |----------------------------+-------------------------------|
   |          80486DX2          |   pins 1 & 2, 4 & 5 closed    |
   +------------------------------------------------------------+