ICL
===

   ERGOPRO C4/33, C4/33B, D4/25, D4/33D

   Processor    80486SX/80487SX/80486DX/80486DX2/Pentium          
                Overdrive                                         
   Processor    25/33/66(internal)MHz                             
   Speed        
   Chip Set     Headland                                          
   Max. Onboard 32MB                                              
   DRAM         
   Cache        128KB                                             
   BIOS         ICL                                               
   Dimensions   432mm x 368mm                                     
   I/O Options  PS/2 mouse port, parallel port, serial port, VGA  
                port, VGA feature connector, AUI port, 10 base T  
                port, floppy drive interface, IDE interface,      
                riser slot                                        
   NPU Options  None                                              

<gopher://bitreich.org/I/th99/m/I-L/32890-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | VGA port          |   CN1    | Cache connector  |   CN10   |
   |-------------------+----------+------------------+----------|
   | PS/2 mouse port   |   CN2    | Chassis fan      |    J3    |
   |                   |          | power            |          |
   |-------------------+----------+------------------+----------|
   | Parallel port     |   CN3    | IDE interface    |    J4    |
   |                   |          | LED              |          |
   |-------------------+----------+------------------+----------|
   | AUI port          |   CN4    | Reset switch     |    J6    |
   |-------------------+----------+------------------+----------|
   | 10 base T port    |   CN5    | Chassis fan      |    J7    |
   |                   |          | power            |          |
   |-------------------+----------+------------------+----------|
   | Serial port       |   CN6    | Speaker          |    J8    |
   |-------------------+----------+------------------+----------|
   | VGA feature       |   CN7    | SCSI interface   |    J9    |
   | connector         |          | LED              |          |
   |-------------------+----------+------------------+----------|
   | IDE interface     |   CN8    | Riser Card       |   SL1    |
   |-------------------+----------+------------------+----------|
   | Floppy drive      |   CN9    |                  |          |
   | interface         |          |                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function              |  Jumper  |  Position  |
   |------------------------------------+----------+------------|
   |>> | On board VGA enabled           |    J1    |    Open    |
   |---+--------------------------------+----------+------------|
   |   | On board VGA disabled          |    J1    |   Closed   |
   |---+--------------------------------+----------+------------|
   |>> | CMOS memory normal operation   |    J2    |    Open    |
   |---+--------------------------------+----------+------------|
   |   | CMOS memory clear              |    J2    |   Closed   |
   |---+--------------------------------+----------+------------|
   |>> | Boot block disabled            |    J5    |    Open    |
   |---+--------------------------------+----------+------------|
   |   | Boot block enabled             |    J5    |   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     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |            Size            |             CN10              |
   |----------------------------+-------------------------------|
   |           128KB            |       Module installed        |
   |------------------------------------------------------------|
   | Note: There are two CN10 connectors.                       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   |            Setting            |            J10             |
   |-------------------------------+----------------------------|
   |           Installed           |            Open            |
   |-------------------------------+----------------------------|
   |         Not installed         |           Closed           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     VRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |      512KB       |    (2) 256K x 8    |        NONE        |
   |------------------+--------------------+--------------------|
   |       1MB        |    (2) 256K x 8    |    (2) 256K x 8    |
   +------------------------------------------------------------+