ICL
===

   CX386/cx386s/cx386s25/CX486/CX486(NEW)/CX486S25

   Processor    80386SX/80386DX/80486SX/80487SX/80486DX/80486DX2  
                                                                  
                (depends on CPU board installed)                  
   Processor    20/25/33/50(internal)/66(internal)MHz (depends on 
   Speed        CPU board installed)                              
   Chip Set     Symphony/Texas (depends on CPU board installed)   
   Max. Onboard 16/32MB (depends on CPU board installed)          
   DRAM         
   Cache        None                                              
   BIOS         ICL                                               
   Dimensions   220mm x 180mm                                     
   I/O Options  PS/2 mouse port (on CPU board), serial ports (2), 
                parallel port, IDE interface, floppy drive        
                interface                                         
   NPU Options  4167                                              

<gopher://bitreich.org/I/th99/m/I-L/32880-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose       | Location | Purpose              | Location |
   |---------------+----------+----------------------+----------|
   | Parallel port |   CN1    | Floppy drive         |   CN5    |
   |               |          | interface            |          |
   |---------------+----------+----------------------+----------|
   | Serial port 2 |   CN2    | Chassis fan power    |   JP1    |
   |---------------+----------+----------------------+----------|
   | Serial port 1 |   CN3    | IDE interface LED    |   JP2    |
   |---------------+----------+----------------------+----------|
   | IDE interface |   CN4    |                      |          |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/m/I-L/32880-2.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose                       |          Location          |
   |-------------------------------+----------------------------|
   | PS/2 mouse port               |            CN1             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | Factory configured - do not      |  T01A  |    N/A     |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  W04   |    N/A     |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | CMOS memory normal operation     |  W05   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | CMOS memory clear                |  W05   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size  |   Bank 0    |   Bank 1   |   Bank 2   |   Bank 3   |
   |-------+-------------+------------+------------+------------|
   |  1MB  | (2) 256K x  | (2) 256K x |    NONE    |    NONE    |
   |       |      9      |     9      |            |            |
   |-------+-------------+------------+------------+------------|
   | 1.5MB | (2) 256K x  | (2) 256K x | (2) 256K x |    NONE    |
   |       |      9      |     9      |     9      |            |
   |-------+-------------+------------+------------+------------|
   |  2MB  | (2) 256K x  | (2) 256K x | (2) 256K x | (2) 256K x |
   |       |      9      |     9      |     9      |     9      |
   |-------+-------------+------------+------------+------------|
   |  2MB  | (2) 1M x 9  |    NONE    |    NONE    |    NONE    |
   |-------+-------------+------------+------------+------------|
   |  3MB  | (2) 256K x  | (2) 256K x | (2) 1M x 9 |    NONE    |
   |       |      9      |     9      |            |            |
   |-------+-------------+------------+------------+------------|
   |  4MB  | (2) 1M x 9  | (2) 1M x 9 |    NONE    |    NONE    |
   |-------+-------------+------------+------------+------------|
   |  5MB  | (2) 256K x  | (2) 256K x | (2) 1M x 9 | (2) 1M x 9 |
   |       |      9      |     9      |            |            |
   |-------+-------------+------------+------------+------------|
   |  6MB  | (2) 1M x 9  | (2) 1M x 9 | (2) 1M x 9 |    NONE    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DRAM CONFIGURATION (CON'T)                 |
   |------------------------------------------------------------|
   |  Size  |   Bank 0   |   Bank 1   |   Bank 2   |   Bank 3   |
   |--------+------------+------------+------------+------------|
   |  8MB   | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 |
   |--------+------------+------------+------------+------------|
   |  8MB   | (2) 4M x 9 |    NONE    |    NONE    |    NONE    |
   |--------+------------+------------+------------+------------|
   |  10MB  | (2) 1M x 9 |    NONE    | (2) 4M x 9 |    NONE    |
   |--------+------------+------------+------------+------------|
   |  12MB  | (2) 1M x 9 | (2) 1M x 9 | (2) 4M x 9 |    NONE    |
   |--------+------------+------------+------------+------------|
   |  16MB  | (2) 4M x 9 | (2) 4M x 9 |    NONE    |    NONE    |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/m/I-L/32880-3.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose            | Location | Purpose         | Location |
   |--------------------+----------+-----------------+----------|
   | PS/2 mouse port    |   CN1    | Reset switch    |   JP2    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | Factory configured - do not      |  JP1   |    N/A     |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | CMOS memory normal operation     |  JP3   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | CMOS memory clear                |  JP3   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size  |   Bank 0    |   Bank 1   |   Bank 2   |   Bank 3   |
   |-------+-------------+------------+------------+------------|
   |  1MB  | (2) 256K x  | (2) 256K x |    NONE    |    NONE    |
   |       |      9      |     9      |            |            |
   |-------+-------------+------------+------------+------------|
   | 1.5MB | (2) 256K x  | (2) 256K x | (2) 256K x |    NONE    |
   |       |      9      |     9      |     9      |            |
   |-------+-------------+------------+------------+------------|
   |  2MB  | (2) 256K x  | (2) 256K x | (2) 256K x | (2) 256K x |
   |       |      9      |     9      |     9      |     9      |
   |-------+-------------+------------+------------+------------|
   |  2MB  | (2) 1M x 9  |    NONE    |    NONE    |    NONE    |
   |-------+-------------+------------+------------+------------|
   |  3MB  | (2) 256K x  | (2) 256K x | (2) 1M x 9 |    NONE    |
   |       |      9      |     9      |            |            |
   |-------+-------------+------------+------------+------------|
   |  4MB  | (2) 1M x 9  | (2) 1M x 9 |    NONE    |    NONE    |
   |-------+-------------+------------+------------+------------|
   |  5MB  | (2) 256K x  | (2) 256K x | (2) 1M x 9 | (2) 1M x 9 |
   |       |      9      |     9      |            |            |
   |-------+-------------+------------+------------+------------|
   |  6MB  | (2) 1M x 9  | (2) 1M x 9 | (2) 1M x 9 |    NONE    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DRAM CONFIGURATION (CON'T)                 |
   |------------------------------------------------------------|
   |  Size  |   Bank 0   |   Bank 1   |   Bank 2   |   Bank 3   |
   |--------+------------+------------+------------+------------|
   |  8MB   | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 |
   |--------+------------+------------+------------+------------|
   |  8MB   | (2) 4M x 9 |    NONE    |    NONE    |    NONE    |
   |--------+------------+------------+------------+------------|
   |  10MB  | (2) 1M x 9 |    NONE    | (2) 4M x 9 |    NONE    |
   |--------+------------+------------+------------+------------|
   |  12MB  | (2) 1M x 9 | (2) 1M x 9 | (2) 4M x 9 |    NONE    |
   |--------+------------+------------+------------+------------|
   |  16MB  | (2) 4M x 9 | (2) 4M x 9 |    NONE    |    NONE    |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/m/I-L/32880-4.png>
                                                         

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose                       |          Location          |
   |-------------------------------+----------------------------|
   | PS/2 mouse port               |            CN1             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | Factory configured - do not      |  JP1   |    N/A     |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |   T1   |    N/A     |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | CMOS memory normal operation     |   W1   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | CMOS memory clear                |   W1   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     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     |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/m/I-L/32880-5.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose                       |          Location          |
   |-------------------------------+----------------------------|
   | PS/2 mouse port               |            CN1             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function                | Jumper  | Position |
   |---------------------------------------+---------+----------|
   |>> | CMOS memory normal operation      |   JP1   |   Open   |
   |---+-----------------------------------+---------+----------|
   |   | CMOS memory clear                 |   JP1   |  Closed  |
   |---+-----------------------------------+---------+----------|
   |>> | Factory configured - do not alter |   JP2   |   N/A    |
   |---+-----------------------------------+---------+----------|
   |>> | Factory configured - do not alter |   T1    |   N/A    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     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     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     NPU CONFIGURATION                      |
   |------------------------------------------------------------|
   |            Type            |              JP3              |
   |----------------------------+-------------------------------|
   |        ODP486SX-25         |   pins 2 & 3, 6 & 7 closed    |
   |----------------------------+-------------------------------|
   |          80487SX           |   pins 2 & 3, 6 & 7 closed    |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/m/I-L/32880-6.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose                       |          Location          |
   |-------------------------------+----------------------------|
   | PS/2 mouse port               |            CN1             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function                | Jumper  | Position |
   |---------------------------------------+---------+----------|
   |>> | CMOS memory normal operation      |   JP1   |   Open   |
   |---+-----------------------------------+---------+----------|
   |   | CMOS memory clear                 |   JP1   |  Closed  |
   |---+-----------------------------------+---------+----------|
   |>> | Factory configured - do not alter |   JP2   |   N/A    |
   |---+-----------------------------------+---------+----------|
   |>> | Factory configured - do not alter |   T1    |   N/A    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     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            |              JP3              |
   |----------------------------+-------------------------------|
   |          ODP486SX          |   pins 2 & 3, 6 & 7 closed    |
   |----------------------------+-------------------------------|
   |          ODPR486           |   pins 1 & 2, 5 & 6 closed    |
   |----------------------------+-------------------------------|
   |          80486DX           |   pins 1 & 2, 5 & 6 closed    |
   |----------------------------+-------------------------------|
   |          80486DX2          |   pins 1 & 2, 5 & 6 closed    |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/m/I-L/32880-7.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose                       |          Location          |
   |-------------------------------+----------------------------|
   | PS/2 mouse port               |            CN1             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function                | Jumper  | Position |
   |---------------------------------------+---------+----------|
   |>> | Factory configured - do not alter |   J1    |   N/A    |
   |---+-----------------------------------+---------+----------|
   |>> | Factory configured - do not alter |   J2    |   N/A    |
   |---+-----------------------------------+---------+----------|
   |>> | Factory configured - do not alter |   J3    |   N/A    |
   |---+-----------------------------------+---------+----------|
   |>> | Factory configured - do not alter |   J4    |   N/A    |
   |---+-----------------------------------+---------+----------|
   |>> | Factory configured - do not alter |   J5    |   N/A    |
   |---+-----------------------------------+---------+----------|
   |>> | CMOS memory normal operation      |   J13   |   Open   |
   |---+-----------------------------------+---------+----------|
   |   | CMOS memory clear                 |   J13   |  Closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     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     |
   +------------------------------------------------------------+