EDOM INTERNATIONAL CORPORATION
==============================

   486PIG (MP042)

Processor  80486SX/CX486M7/UMC U5S/80486DX/80486DX2/80486DX4/P24D/ Pentium     
           Overdrive                                                           
Processor  25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz 
Speed      
Chip Set   OPTI                                                                
Max.       128MB                                                               
Onboard    
DRAM       
Cache      128/512KB                                                           
BIOS       Award                                                               
Dimensions 220mm x 190mm                                                       
I/O        32-bit PCI slots (4), green PC connector                            
Options    
NPU        None                                                                
Options    

<gopher://bitreich.org/I/th99/m/E-H/32668-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose            | Location | Purpose         | Location |
   |--------------------+----------+-----------------+----------|
   | External battery   |    J2    | Turbo switch    |   JP40   |
   |--------------------+----------+-----------------+----------|
   | Power LED &        |    J9    | Speaker         |   JP41   |
   | keylock            |          |                 |          |
   |--------------------+----------+-----------------+----------|
   | Green PC connector |   JP3    | 32-bit PCI      |  PC1 -   |
   |                    |          | slots           |   PC4    |
   |--------------------+----------+-----------------+----------|
   | Green PC LED       |   JP38   | Reset switch    |    S1    |
   |--------------------+----------+-----------------+----------|
   | Turbo LED          |   JP39   |                 |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | CMOS memory normal operation     |  JP1   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | CMOS memory clear                |  JP1   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | CPU write type select write back |  JP17  | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | CPU write type select write      |  JP17  | pins 2 & 3 |
   |   | through                          |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | CPU clock speed >33MHz           |  JP27  | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | CPU clock speed =<33MHz          |  JP27  | pins 3 & 4 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | PCI asynchronous with CPU        |  JP33  | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | PCI synchronous with CPU         |  JP33  | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  JP37  |    N/A     |
   |   | alter                            |        |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       2MB        |   (1) 512K x 36    |        NONE        |
   |------------------+--------------------+--------------------|
   |       4MB        |    (1) 1M x 36     |        NONE        |
   |------------------+--------------------+--------------------|
   |       4MB        |   (1) 512K x 36    |   (1) 512K x 36    |
   |------------------+--------------------+--------------------|
   |       8MB        |    (1) 1M x 36     |    (1) 1M x 36     |
   |------------------+--------------------+--------------------|
   |       8MB        |    (1) 2M x 36     |        NONE        |
   |------------------+--------------------+--------------------|
   |       12MB       |    (1) 1M x 36     |    (1) 2M x 36     |
   |------------------+--------------------+--------------------|
   |       16MB       |    (1) 4M x 36     |        NONE        |
   |------------------+--------------------+--------------------|
   |       16MB       |    (1) 2M x 36     |    (1) 2M x 36     |
   |------------------+--------------------+--------------------|
   |       20MB       |    (1) 1M x 36     |    (1) 4M x 36     |
   |------------------+--------------------+--------------------|
   |       32MB       |    (1) 4M x 36     |    (1) 4M x 36     |
   |------------------+--------------------+--------------------|
   |       64MB       |    (1) 16M x 36    |        NONE        |
   |------------------+--------------------+--------------------|
   |      128MB       |    (1) 16M x 36    |    (1) 16M x 36    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |        TAG         |
   |------------------+--------------------+--------------------|
   |      128KB       |    (4) 32K x 8     |     (1) 8K x 8     |
   |------------------+--------------------+--------------------|
   |      512KB       |    (4) 128K x 8    |    (1) 32K x 8     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   |    Size    |       JP13        |    JP19     |    JP22     |
   |------------+-------------------+-------------+-------------|
   |   128KB    | pins 2 & 3 closed |    Open     |    Open     |
   |------------+-------------------+-------------+-------------|
   |   512KB    | pins 1 & 2 closed |   Closed    |   Closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU TYPE CONFIGURATION                   |
   |------------------------------------------------------------|
   |      Type      |    JP14    |    JP15    |  JP21  |  JP23  |
   |----------------+------------+------------+--------+--------|
   |    80486SX     | pins 1 & 2 |    Open    |  Open  |  Open  |
   |                |   closed   |            |        |        |
   |----------------+------------+------------+--------+--------|
   |    CX486M7     | pins 1 & 2 | pins 1 & 2 | Closed | Closed |
   |                |   closed   |   closed   |        |        |
   |----------------+------------+------------+--------+--------|
   |    UMC U5S     | pins 1 & 2 |    Open    |  Open  |  Open  |
   |                |   closed   |            |        |        |
   |----------------+------------+------------+--------+--------|
   |    80486DX     | pins 1 & 2 |    Open    |  Open  |  Open  |
   |                |   closed   |            |        |        |
   |----------------+------------+------------+--------+--------|
   |    80486DX2    | pins 1 & 2 |    Open    |  Open  |  Open  |
   |                |   closed   |            |        |        |
   |----------------+------------+------------+--------+--------|
   |    80486DX4    | pins 1 & 2 |    Open    |  Open  |  Open  |
   |                |   closed   |            |        |        |
   |----------------+------------+------------+--------+--------|
   |      P24D      | pins 1 & 2 | pins 2 & 3 | Closed |  Open  |
   |                |   closed   |   closed   |        |        |
   |----------------+------------+------------+--------+--------|
   |    Pentium     | pins 2 & 3 |    Open    |  Open  |  Open  |
   |   Overdrive    |   closed   |            |        |        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU TYPE CONFIGURATION                   |
   |------------------------------------------------------------|
   |    Type    |    JP24    |  JP25  |       JP26       | JP29 |
   |------------+------------+--------+------------------+------|
   |  80486SX   |    Open    |  Open  |    pins 2 & 3    | Open |
   |            |            |        |      closed      |      |
   |------------+------------+--------+------------------+------|
   |  CX486M7   |    Open    |  Open  | pins 1 & 2, 3 &  | Open |
   |            |            |        |     4 closed     |      |
   |------------+------------+--------+------------------+------|
   |  UMC U5S   | pins 1 & 2 |  Open  | pins 1 & 2, 3 &  | Open |
   |            |   closed   |        |     4 closed     |      |
   |------------+------------+--------+------------------+------|
   |  80486DX   | pins 1 & 2 |  Open  | pins 1 & 2, 3 &  | Open |
   |            |   closed   |        |     4 closed     |      |
   |------------+------------+--------+------------------+------|
   |  80486DX2  | pins 1 & 2 |  Open  | pins 1 & 2, 3 &  | Open |
   |            |   closed   |        |     4 closed     |      |
   |------------+------------+--------+------------------+------|
   |  80486DX4  | pins 1 & 2 |  Open  | pins 1 & 2, 3 &  | Open |
   |            |   closed   |        |     4 closed     |      |
   |------------+------------+--------+------------------+------|
   |    P24D    | pins 1 & 2 | Closed | pins 1 & 2, 3 &  | Open |
   |            |   closed   |        |     4 closed     |      |
   |------------+------------+--------+------------------+------|
   |  Pentium   | pins 1 & 2 |  Open  | pins 1 & 2, 3 &  | Open |
   | Overdrive  |   closed   |        |     4 closed     |      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU TYPE CONFIGURATION                   |
   |------------------------------------------------------------|
   |      Type       |  JP6   |  JP10  |     JP18      |  JP28  |
   |-----------------+--------+--------+---------------+--------|
   |      Cyrix      |  N/A   |  N/A   |  pins 2 & 3   |  N/A   |
   |                 |        |        |    closed     |        |
   |-----------------+--------+--------+---------------+--------|
   |   SL-enhanced   | Closed | Closed |  pins 1 & 2   | Closed |
   |                 |        |        |    closed     |        |
   |-----------------+--------+--------+---------------+--------|
   | Non SL-enhanced |  Open  |  Open  |     Open      |  Open  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  CPU SPEED CONFIGURATION                   |
   |------------------------------------------------------------|
   |       Speed        |       JP31        |       JP32        |
   |--------------------+-------------------+-------------------|
   |       25MHz        |       Open        |       Open        |
   |--------------------+-------------------+-------------------|
   |       33MHz        |      Closed       |      Closed       |
   |--------------------+-------------------+-------------------|
   |       40MHz        |       Open        |      Closed       |
   |--------------------+-------------------+-------------------|
   |       50iMHz       |       Open        |       Open        |
   |--------------------+-------------------+-------------------|
   |       50MHz        |      Closed       |       Open        |
   |--------------------+-------------------+-------------------|
   |       66iMHz       |      Closed       |      Closed       |
   |--------------------+-------------------+-------------------|
   |       75iMHz       |       Open        |       Open        |
   |--------------------+-------------------+-------------------|
   |      100iMHz       |      Closed       |      Closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |          CPU SPEED CONFIGURATION (80486DX4 ONLY)           |
   |------------------------------------------------------------|
   |           Speed            |             JP16              |
   |----------------------------+-------------------------------|
   |             2x             |       pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |            2.5x            |       pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |             3x             |             Open              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CPU VOLTAGE CONFIGURATION                  |
   |------------------------------------------------------------|
   |          Voltage           |             JP30              |
   |----------------------------+-------------------------------|
   |           3.45v            |   pins 3 & 5, 4 & 6 closed    |
   |----------------------------+-------------------------------|
   |             5v             |   pins 1 & 3, 2 & 4 closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 PCI TRIGGER CONFIGURATION                  |
   |------------------------------------------------------------|
   |    Setting    |          JP4          |        JP5         |
   |---------------+-----------------------+--------------------|
   | Edge trigger  |   pins 1 & 2, 3 & 4   | pins 1 & 2, 3 & 4  |
   |               |        closed         |       closed       |
   |---------------+-----------------------+--------------------|
   | Level trigger |   pins 2 & 3 closed   | pins 2 & 3 closed  |
   +------------------------------------------------------------+