FIRST INTERNATIONAL COMPUTER, INC.
==================================

   486-GIO-VT

   Processor    80486SX/CX486S/486S                               
                Series/80486DX/80486DX2/Pentium Overdrive         
   Processor    25/33/50(internal)/66(internal)MHz                
   Speed        
   Chip Set     VIA                                               
   Max. Onboard 96MB                                              
   DRAM         
   Cache        64/128/256KB                                      
   BIOS         AMI/AWARD                                         
   Dimensions   330mm x 218mm                                     
   I/O Options  32-bit VESA local bus slots (2), floppy drive     
                interface,                                        
                                                                  
                game port, IDE interface, PS/2 mouse port         
   NPU Options  None                                              

<gopher://bitreich.org/I/th99/m/P-R/31452-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose          | Location | Purpose           | Location |
   |------------------+----------+-------------------+----------|
   | PS/2 mouse       |   CN1    | IDE interface LED |    J8    |
   | connector        |          |                   |          |
   |------------------+----------+-------------------+----------|
   | Floppy drive     |   CN4    | Turbo switch      |   J12    |
   | interface        |          |                   |          |
   |------------------+----------+-------------------+----------|
   | Game port        |   CN5    | Turbo LED         |   J13    |
   |------------------+----------+-------------------+----------|
   | IDE interface    |   CN9    | Reset switch      |   J14    |
   |------------------+----------+-------------------+----------|
   | PS/2 mouse port  |   CN11   | Speaker           |   J15    |
   |------------------+----------+-------------------+----------|
   | Parallel port    |   CN12   | Power LED &       |   J16    |
   |                  |          | keylock           |          |
   |------------------+----------+-------------------+----------|
   | Serial port 1    |   CN13   | Power supply      |   J17    |
   |                  |          | outlet            |          |
   |------------------+----------+-------------------+----------|
   | Serial port 2    |   CN14   | 32-bit VESA Local |  SL15,   |
   |                  |          | bus slots         |   SL16   |
   |------------------+----------+-------------------+----------|
   | External battery |    J1    |                   |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Function                | Jumper | Position |
   |----------------------------------------+--------+----------|
   |>>|Monitor type select mono/EGA/VGA      |   J2   |   Open   |
   |-+--------------------------------------+--------+----------|
   | |Monitor type select color             |   J2   |  Closed  |
   |-+--------------------------------------+--------+----------|
   |>>|Internal battery select               |   J3   |pins 2 & 3|
   | |                                      |        |  closed  |
   |-+--------------------------------------+--------+----------|
   | |External battery select               |   J3   |pins 1 & 2|
   | |                                      |        |  closed  |
   |-+--------------------------------------+--------+----------|
   |>>|Local IDE selection enabled           |   J4   |pins 1 & 2|
   | |                                      |        |  closed  |
   |-+--------------------------------------+--------+----------|
   | |Local IDE selection disabled          |   J4   |pins 2 & 3|
   | |                                      |        |  closed  |
   |-+--------------------------------------+--------+----------|
   |>>|Award BIOS select                     |   J7   |pins 1 & 2|
   | |                                      |        |  closed  |
   |-+--------------------------------------+--------+----------|
   | |AMI BIOS select                       |   J7   |pins 2 & 3|
   | |                                      |        |  closed  |
   |-+--------------------------------------+--------+----------|
   |>>|IDE BALE disabled                     |   J9   |   Open   |
   |-+--------------------------------------+--------+----------|
   | |IDE BALE enabled                      |   J9   |  Closed  |
   |-+--------------------------------------+--------+----------|
   |>>|IDE IOCHRDY disabled                  |  J10   |   Open   |
   |-+--------------------------------------+--------+----------|
   | |IDE IOCHRDY enabled                   |  J10   |  Closed  |
   |-+--------------------------------------+--------+----------|
   |>>|Adaptec ISA master installed          |  J18   |  Closed  |
   |-+--------------------------------------+--------+----------|
   | |Adaptec ISA master not installed      |  J18   |   Open   |
   |-+--------------------------------------+--------+----------|
   |>>|80486SX/80486SX(SL)/80486DX(SL)/Cx486S|  JC6   |  Closed  |
   | |PQFP disable                          |        |          |
   |-+--------------------------------------+--------+----------|
   | |80486SX/80486SX(SL)/80486DX(SL)/Cx486S|  JC6   |   Open   |
   | |PQFP enable                           |        |          |
   |-+--------------------------------------+--------+----------|
   |>>|IDE enabled                           |   JG   |pins 2 & 3|
   | |                                      |        |  closed  |
   |-+--------------------------------------+--------+----------|
   | |IDE disabled                          |   JG   |pins 1 & 2|
   | |                                      |        |  closed  |
   |-+--------------------------------------+--------+----------|
   |>>|Floppy drive interface enabled        |   JH   |pins 2 & 3|
   | |                                      |        |  closed  |
   |-+--------------------------------------+--------+----------|
   | |Floppy drive interface disabled       |   JH   |pins 1 & 2|
   | |                                      |        |  closed  |
   |-+--------------------------------------+--------+----------|
   |>>|Parallel port uni-directional         |   JI   |  Closed  |
   | |(printer)                             |        |          |
   |-+--------------------------------------+--------+----------|
   | |Parallel port bi-directional          |   JI   |   Open   |
   |-+--------------------------------------+--------+----------|
   |>>|IDE select A26                        |  JP1   |pins 1 & 2|
   | |                                      |        |  closed  |
   |-+--------------------------------------+--------+----------|
   | |IDE select IRQ 15                     |  JP1   |pins 2 & 3|
   | |                                      |        |  closed  |
   |-+--------------------------------------+--------+----------|
   |>>|Factory configured - do not alter     |  JP3   |   N/A    |
   |-+--------------------------------------+--------+----------|
   |>>|CPU clock select 1X                   |  JX1   |pins 1 & 2|
   | |                                      |        |  closed  |
   |-+--------------------------------------+--------+----------|
   | |CPU clock select 2X                   |  JX1   |pins 2 & 3|
   | |                                      |        |  closed  |
   |-+--------------------------------------+--------+----------|
   |>>|ODP586SX write back select            |  JT1   |pins 1 & 2|
   | |                                      |        |  closed  |
   |-+--------------------------------------+--------+----------|
   | |ODP586SX write through select         |  JT1   |pins 2 & 3|
   | |                                      |        |  closed  |
   |-+--------------------------------------+--------+----------|
   |>>|IDE select IRQ 15                     |JX2, JP2|pins 1 & 2|
   | |                                      |        |  closed  |
   |-+--------------------------------------+--------+----------|
   | |IDE select SMI                        |JX2, JP2|pins 2 & 3|
   | |                                      |        |  closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size    |    Bank 0     |    Bank 1     |    Bank 2     |
   |------------+---------------+---------------+---------------|
   |    1MB     | (4) 256K x 9  |     NONE      |     NONE      |
   |------------+---------------+---------------+---------------|
   |    1MB     |     NONE      | (1) 256K x 36 |     NONE      |
   |------------+---------------+---------------+---------------|
   |    1MB     |     NONE      |     NONE      | (1) 256K x 36 |
   |------------+---------------+---------------+---------------|
   |    2MB     | (4) 256K x 9  | (1) 256K x 36 |     NONE      |
   |------------+---------------+---------------+---------------|
   |    2MB     |     NONE      | (1) 256K x 36 | (1) 256K x 36 |
   |------------+---------------+---------------+---------------|
   |    2MB     | (4) 256K x 9  |     NONE      | (1) 256K x 36 |
   |------------+---------------+---------------+---------------|
   |    3MB     | (4) 256K x 9  | (1) 256K x 36 | (1) 256K x 36 |
   |------------+---------------+---------------+---------------|
   |    4MB     |  (4) 1M x 9   |     NONE      |     NONE      |
   |------------+---------------+---------------+---------------|
   |    4MB     |     NONE      |  (1) 1M x 36  |     NONE      |
   |------------+---------------+---------------+---------------|
   |    4MB     |     NONE      |     NONE      |  (1) 1M x 36  |
   |------------+---------------+---------------+---------------|
   |    5MB     | (4) 256K x 9  |  (1) 1M x 36  |     NONE      |
   |------------+---------------+---------------+---------------|
   |    5MB     | (4) 256K x 9  |     NONE      |  (1) 1M x 36  |
   |------------+---------------+---------------+---------------|
   |    5MB     |  (4) 1M x 9   | (1) 256K x 36 |     NONE      |
   |------------+---------------+---------------+---------------|
   |    5MB     |  (4) 1M x 9   |     NONE      | (1) 256K x 36 |
   |------------+---------------+---------------+---------------|
   |    5MB     |     NONE      | (1) 256K x 36 |  (1) 1M x 36  |
   |------------+---------------+---------------+---------------|
   |    5MB     |     NONE      |  (1) 1M x 36  | (1) 256K x 36 |
   |------------+---------------+---------------+---------------|
   |    6MB     | (4) 256K x 9  |  (1) 1M x 36  | (1) 256K x 36 |
   |------------+---------------+---------------+---------------|
   |    6MB     | (4) 256K x 9  | (1) 256K x 36 |  (1) 1M x 36  |
   |------------+---------------+---------------+---------------|
   |    6MB     |  (4) 1M x 9   | (1) 256K x 36 | (1) 256K x 36 |
   |------------+---------------+---------------+---------------|
   |    8MB     |  (4) 1M x 9   |  (1) 1M x 36  |     NONE      |
   |------------+---------------+---------------+---------------|
   |    8MB     |  (4) 1M x 9   |     NONE      |  (1) 1M x 36  |
   |------------+---------------+---------------+---------------|
   |    8MB     |     NONE      |  (1) 1M x 36  |  (1) 1M x 36  |
   |------------+---------------+---------------+---------------|
   |    9MB     | (4) 256K x 9  |  (1) 1M x 36  |  (1) 1M x 36  |
   |------------+---------------+---------------+---------------|
   |    9MB     |  (4) 1M x 9   | (1) 256K x 36 |  (1) 1M x 36  |
   |------------+---------------+---------------+---------------|
   |    9MB     |  (4) 1M x 9   |  (1) 1M x 36  | (1) 256K x 36 |
   |------------+---------------+---------------+---------------|
   |    12MB    |  (4) 1M x 9   |  (1) 1M x 36  |  (1) 1M x 36  |
   |------------+---------------+---------------+---------------|
   |    16MB    |  (4) 4M x 9   |     NONE      |     NONE      |
   |------------+---------------+---------------+---------------|
   |    16MB    |     NONE      |  (1) 4M x 36  |     NONE      |
   |------------+---------------+---------------+---------------|
   |    16MB    |     NONE      |     NONE      |  (1) 4M x 36  |
   |------------+---------------+---------------+---------------|
   |    17MB    | (4) 256K x 9  |  (1) 4M x 36  |     NONE      |
   |------------+---------------+---------------+---------------|
   |    17MB    | (4) 256K x 9  |     NONE      |  (1) 4M x 36  |
   |------------+---------------+---------------+---------------|
   |    17MB    |     NONE      | (1) 256K x 36 |               |
   |------------+---------------+---------------+---------------|
   |    17MB    |     NONE      |  (1) 4M x 36  | (1) 256K x 36 |
   |------------+---------------+---------------+---------------|
   |    17MB    |  (4) 4M x 9   | (1) 256K x 36 |     NONE      |
   |------------+---------------+---------------+---------------|
   |    17MB    |  (4) 4M x 9   |     NONE      | (1) 256K x 36 |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size    |    Bank 0     |    Bank 1     |    Bank 2     |
   |------------+---------------+---------------+---------------|
   |    18MB    | (4) 256K x 9  | (1) 256K x 36 |  (1) 4M x 36  |
   |------------+---------------+---------------+---------------|
   |    18MB    | (4) 256K x 9  |  (1) 4M x 36  | (1) 256K x 36 |
   |------------+---------------+---------------+---------------|
   |    18MB    |  (4) 4M x 9   | (1) 256K x 36 | (1) 256K x 36 |
   |------------+---------------+---------------+---------------|
   |    20MB    |  (4) 1M x 9   |  (1) 4M x 36  |     NONE      |
   |------------+---------------+---------------+---------------|
   |    20MB    |  (4) 1M x 9   |     NONE      |  (1) 4M x 36  |
   |------------+---------------+---------------+---------------|
   |    20MB    |  (4) 4M x 9   |  (1) 1M x 36  |     NONE      |
   |------------+---------------+---------------+---------------|
   |    20MB    |  (4) 4M x 9   |     NONE      |  (1) 1M x 36  |
   |------------+---------------+---------------+---------------|
   |    20MB    |     NONE      |  (1) 1M x 36  |  (1) 4M x 36  |
   |------------+---------------+---------------+---------------|
   |    20MB    |     NONE      |  (1) 4M x 36  |  (1) 1M x 36  |
   |------------+---------------+---------------+---------------|
   |    21MB    | (4) 256K x 9  |  (1) 1M x 36  |  (1) 4M x 36  |
   |------------+---------------+---------------+---------------|
   |    21MB    | (4) 256K x 9  |  (1) 4M x 36  |  (1) 1M x 36  |
   |------------+---------------+---------------+---------------|
   |    21MB    |  (4) 1M x 9   | (1) 256K x 36 |  (1) 4M x 36  |
   |------------+---------------+---------------+---------------|
   |    21MB    |  (4) 1M x 9   |  (1) 4M x 36  | (1) 256K x 36 |
   |------------+---------------+---------------+---------------|
   |    21MB    |  (4) 4M x 9   | (1) 256K x 36 |  (1) 1M x 36  |
   |------------+---------------+---------------+---------------|
   |    21MB    |  (4) 4M x 9   |  (1) 1M x 36  | (1) 256K x 36 |
   |------------+---------------+---------------+---------------|
   |    24MB    |  (4) 1M x 9   |  (1) 1M x 36  |  (1) 4M x 36  |
   |------------+---------------+---------------+---------------|
   |    24MB    |  (4) 1M x 9   |  (1) 4M x 36  |  (1) 1M x 36  |
   |------------+---------------+---------------+---------------|
   |    24MB    |  (4) 4M x 9   |  (1) 1M x 36  |  (1) 1M x 36  |
   |------------+---------------+---------------+---------------|
   |    32MB    |  (4) 4M x 9   |  (1) 4M x 36  |     NONE      |
   |------------+---------------+---------------+---------------|
   |    32MB    |  (4) 4M x 9   |     NONE      |  (1) 4M x 36  |
   |------------+---------------+---------------+---------------|
   |    32MB    |     NONE      |  (1) 4M x 36  |  (1) 4M x 36  |
   |------------+---------------+---------------+---------------|
   |    33MB    | (4) 256K x 9  |  (1) 4M x 36  |  (1) 4M x 36  |
   |------------+---------------+---------------+---------------|
   |    33MB    |  (4) 4M x 9   | (1) 256K x 36 |  (1) 4M x 36  |
   |------------+---------------+---------------+---------------|
   |    33MB    |  (4) 4M x 9   |  (1) 4M x 36  | (1) 256K x 36 |
   |------------+---------------+---------------+---------------|
   |    36MB    |  (4) 1M x 9   |  (1) 4M x 36  |  (1) 4M x 36  |
   |------------+---------------+---------------+---------------|
   |    36MB    |  (4) 4M x 9   |  (1) 1M x 36  |  (1) 4M x 36  |
   |------------+---------------+---------------+---------------|
   |    36MB    |  (4) 4M x 9   |  (1) 4M x 36  |  (1) 1M x 36  |
   |------------+---------------+---------------+---------------|
   |    48MB    |  (4) 4M x 9   |  (1) 4M x 36  |  (1) 4M x 36  |
   |------------+---------------+---------------+---------------|
   |    64MB    |  (4) 16M x 9  |     NONE      |     NONE      |
   |------------+---------------+---------------+---------------|
   |    65MB    |  (4) 16M x 9  | (1) 256K x 36 |     NONE      |
   |------------+---------------+---------------+---------------|
   |    65MB    |  (4) 16M x 9  |     NONE      | (1) 256K x 36 |
   |------------+---------------+---------------+---------------|
   |    66MB    |  (4) 16M x 9  | (1) 256K x 36 | (1) 256K x 36 |
   |------------+---------------+---------------+---------------|
   |    68MB    |  (4) 16M x 9  |  (1) 1M x 36  |     NONE      |
   |------------+---------------+---------------+---------------|
   |    68MB    |  (4) 16M x 9  |     NONE      |  (1) 1M x 36  |
   |------------+---------------+---------------+---------------|
   |    69MB    |  (4) 16M x 9  | (1) 256K x 36 |  (1) 4M x 36  |
   |------------+---------------+---------------+---------------|
   |    69MB    |  (4) 16M x 9  |  (1) 1M x 36  | (1) 256K x 36 |
   |------------+---------------+---------------+---------------|
   |    72MB    |  (4) 16M x 9  |  (1) 1M x 36  |  (1) 1M x 36  |
   |------------+---------------+---------------+---------------|
   |    80MB    |  (4) 16M x 9  |  (1) 4M x 36  |     NONE      |
   |------------+---------------+---------------+---------------|
   |    80MB    |  (4) 16M x 9  |     NONE      |  (1) 4M x 36  |
   |------------+---------------+---------------+---------------|
   |    81MB    |  (4) 16M x 9  | (1) 256K x 36 |  (1) 4M x 36  |
   |------------+---------------+---------------+---------------|
   |    81MB    |  (4) 16M x 9  |  (1) 4M x 36  | (1) 256K x 36 |
   |------------+---------------+---------------+---------------|
   |    84MB    |  (4) 16M x 9  |  (1) 1M x 36  |  (1) 4M x 36  |
   |------------+---------------+---------------+---------------|
   |    84MB    |  (4) 16M x 9  |  (1) 4M x 36  |  (1) 1M x 36  |
   |------------+---------------+---------------+---------------|
   |    96MB    |  (4) 16M x 9  |  (1) 4M x 36  |  (1) 4M x 36  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size    |    Bank 0     |    Bank 1     |      TAG      |
   |------------+---------------+---------------+---------------|
   |    64KB    |  (4) 8K x 8   |  (4) 8K x 8   |  (1) 8K x 8   |
   |------------+---------------+---------------+---------------|
   |   128KB    |  (4) 32K x 8  |     NONE      |  (1) 8K x 8   |
   |------------+---------------+---------------+---------------|
   |   256KB    |  (4) 32K x 8  |  (4) 32K x 8  |  (1) 32K x 8  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   | Size  |       JS1       |       JS2       |      JS3       |
   |-------+-----------------+-----------------+----------------|
   | 64KB  |   pins 1 & 2    |   pins 1 & 2    |   pins 1 & 2   |
   |       |     closed      |     closed      |     closed     |
   |-------+-----------------+-----------------+----------------|
   | 128KB |   pins 1 & 2    |   pins 2 & 3    |   pins 2 & 3   |
   |       |     closed      |     closed      |     closed     |
   |-------+-----------------+-----------------+----------------|
   | 256KB |   pins 2 & 3    |   pins 2 & 3    |   pins 1 & 2   |
   |       |     closed      |     closed      |     closed     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU TYPE CONFIGURATION                   |
   |------------------------------------------------------------|
   |  CPU Type   |  JC1  | JC2 |  JC3   |  JC4   |  JC5   | JC7 |
   |-------------+-------+-----+--------+--------+--------+-----|
   |   80486SX   | 2 & 3 | 2 & |  Open  |  Open  | Closed | 1 & |
   |             |       |  3  |        |        |        |  2  |
   |-------------+-------+-----+--------+--------+--------+-----|
   |   80486SX   | 2 & 3 | 2 & |  Open  |  Open  | Closed | 1 & |
   |    (SL)     |       |  3  |        |        |        |  2  |
   |-------------+-------+-----+--------+--------+--------+-----|
   |   Cx486S    | 2 & 3 | 2 & | Closed |  Open  |  Open  | 1 & |
   |             |       |  3  |        |        |        |  2  |
   |-------------+-------+-----+--------+--------+--------+-----|
   |   Cx487S    | 1 & 2 | 1 & | Closed |  Open  |  Open  | 1 & |
   |             |       |  2  |        |        |        |  2  |
   |-------------+-------+-----+--------+--------+--------+-----|
   |   Cx486DX   | 1 & 2 | 1 & | Closed |  Open  |  Open  | 1 & |
   |             |       |  2  |        |        |        |  2  |
   |-------------+-------+-----+--------+--------+--------+-----|
   |   80486DX   | 1 & 2 | 1 & | Closed |  Open  | Closed | 1 & |
   |             |       |  2  |        |        |        |  2  |
   |-------------+-------+-----+--------+--------+--------+-----|
   |   80486DX   | 1 & 2 | 1 & | Closed |  Open  | Closed | 1 & |
   |    (SL)     |       |  2  |        |        |        |  2  |
   |-------------+-------+-----+--------+--------+--------+-----|
   |  80486DX2   | 1 & 2 | 1 & | Closed |  Open  | Closed | 1 & |
   |             |       |  2  |        |        |        |  2  |
   |-------------+-------+-----+--------+--------+--------+-----|
   |  80486DX2   | 1 & 2 | 1 & | Closed |  Open  | Closed | 1 & |
   |    (SL)     |       |  2  |        |        |        |  2  |
   |-------------+-------+-----+--------+--------+--------+-----|
   |  Overdrive  | 1 & 2 | 1 & |  Open  | Closed |  Open  | 2 & |
   |             |       |  2  |        |        |        |  3  |
   |------------------------------------------------------------|
   | Note:Pins designated are in the closed position.           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             CPU TYPE CONFIGURATION (CONTINUED)             |
   |------------------------------------------------------------|
   |      CPU Type      |     RN21      |   RN22    |   RN23    |
   |--------------------+---------------+-----------+-----------|
   |      80486SX       | Not installed |    Not    |    Not    |
   |                    |               | installed | installed |
   |--------------------+---------------+-----------+-----------|
   |    80486SX (SL)    | Not installed | Installed |    Not    |
   |                    |               |           | installed |
   |--------------------+---------------+-----------+-----------|
   |    80486SX (SL)    |   Installed   |    Not    |    Not    |
   |       (PQFP)       |               | installed | installed |
   |--------------------+---------------+-----------+-----------|
   |       Cx486S       | Not installed |    Not    | Installed |
   |                    |               | installed |           |
   |--------------------+---------------+-----------+-----------|
   |   Cx486S (PQFP)    |   Installed   |    Not    |    Not    |
   |                    |               | installed | installed |
   |--------------------+---------------+-----------+-----------|
   |       Cx487S       | Not installed |    Not    | Installed |
   |                    |               | installed |           |
   |--------------------+---------------+-----------+-----------|
   |      Cx486DX       | Not installed |    Not    | Installed |
   |                    |               | installed |           |
   |--------------------+---------------+-----------+-----------|
   |      80486DX       | Not installed |    Not    |    Not    |
   |                    |               | installed | installed |
   |--------------------+---------------+-----------+-----------|
   |    80486DX (SL)    | Not installed | Installed |    Not    |
   |                    |               |           | installed |
   |--------------------+---------------+-----------+-----------|
   |    80486DX (SL)    |   Installed   |    Not    |    Not    |
   |       (PQFP)       |               | installed | installed |
   |--------------------+---------------+-----------+-----------|
   |      80486DX2      | Not installed |    Not    |    Not    |
   |                    |               | installed | installed |
   |--------------------+---------------+-----------+-----------|
   |   80486DX2 (SL)    | Not installed | Installed |    Not    |
   |                    |               |           | installed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             CPU TYPE CONFIGURATION (CONTINUED)             |
   |------------------------------------------------------------|
   |      CPU Type      |       JCX1       |        JCX2        |
   |--------------------+------------------+--------------------|
   |       Cx486S       |      Closed      | pins 2 & 3 closed  |
   |--------------------+------------------+--------------------|
   |     All others     |       Open       | pins 1 & 2 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               VESA WAIT STATE CONFIGURATION                |
   |------------------------------------------------------------|
   | CPU speed |  Wait states  |        JV2        |    JV3     |
   |-----------+---------------+-------------------+------------|
   |  > 33MHz  | 0 wait states | pins 1 & 2 closed | pins 1 & 2 |
   |           |               |                   |   closed   |
   |-----------+---------------+-------------------+------------|
   |  < 33MHz  | 1 wait state  | pins 2 & 3 closed | pins 2 & 3 |
   |           |               |                   |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   | KEYBOARD CONTROLLER CONFIGURATION                         ||
   |-----------------------------------------------------------+|
   |              Type               |    JX3     |    JX4     ||
   |---------------------------------+------------+------------||
   |>> |        External KBC         | pins 1 & 2 | pins 1 & 2 ||
   |   |                             |   closed   |   closed   ||
   |---+-----------------------------+------------+------------||
   |   |   Internal KBC with PS/2    | pins 2 & 3 | pins 2 & 3 ||
   |   |            mouse            |   closed   |   closed   ||
   |---+-----------------------------+------------+------------||
   |   | Internal KBC w/o PS/2 mouse | pins 2 & 3 | pins 1 & 2 ||
   |   |                             |   closed   |   closed   ||
   |---+-----------------------------+------------+------------||
   |   |           Illegal           | pins 1 & 2 | pins 2 & 3 ||
   |   |                             |   closed   |   closed   ||
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   KEYBOARD CONFIGURATION                   |
   |------------------------------------------------------------|
   |  Jumper   |  External   |           Internal KBC           |
   |           |     KBC     |                                  |
   |-----------+-------------+----------------------------------|
   |   | JKB 1 | pins 1 & 2  |    1 & 2     | 2 & 3 Award Clear |
   |   |       |             |  (default)   |                   |
   |---+-------+-------------+--------------+-------------------|
   |   | JKB 2 | pins 1 & 2  |    1 & 2     |  2 & 3 AMI Clear  |
   |   |       |             |  (default)   |                   |
   |---+-------+-------------+--------------+-------------------|
   |   | JKB 3 | pins 1 & 2  |    1 & 2     |     2 & 3 CGA     |
   |   |       |             |   VGA/Mono   |                   |
   |------------------------------------------------------------|
   | Note: Pins designated are in the closed position.          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |          IDE SPEED CONFIGURATION (PDC 20230 ONLY)          |
   |------------------------------------------------------------|
   |     IDE type     |         J5         |         J6         |
   |------------------+--------------------+--------------------|
   |>> |   Speed 2    | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Speed 1    | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Speed 0    | pins 2 & 3 closed  | pins 2 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 1 CONFIGURATION                 |
   |------------------------------------------------------------|
   |      Port 1      |         JA         |         JB         |
   |------------------+--------------------+--------------------|
   |>> |     3F8h     | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |     2E8h     | pins 2 & 3 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |     3E8h     | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disable    | pins 1 & 2 closed  | pins 1 & 2 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 2 CONFIGURATION                 |
   |------------------------------------------------------------|
   |      Port 2      |         JC         |         JD         |
   |------------------+--------------------+--------------------|
   |>> |     2F8h     | pins 2 & 3 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |     3E8h     | pins 2 & 3 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |     2E8h     | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disable    | pins 1 & 2 closed  | pins 1 & 2 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |      LPT 1       |         JE         |         JF         |
   |------------------+--------------------+--------------------|
   |>> |     378      | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |     278      | pins 2 & 3 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |     3BC      | pins 2 & 3 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disable    | pins 1 & 2 closed  | pins 1 & 2 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              CPU CLOCK CONFIGURATION (IMI425)              |
   |------------------------------------------------------------|
   | Clock |     JK1     |    JK2     |    JK3     |    JK4     |
   |-------+-------------+------------+------------+------------|
   | 40MHz | pins 2 & 3  | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 |
   |       |   closed    |   closed   |   closed   |   closed   |
   |-------+-------------+------------+------------+------------|
   | 50MHz | pins 1 & 2  | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 |
   |       |   closed    |   closed   |   closed   |   closed   |
   |-------+-------------+------------+------------+------------|
   | 80MHz | pins 2 & 3  | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 |
   |       |   closed    |   closed   |   closed   |   closed   |
   |-------+-------------+------------+------------+------------|
   | 66MHz | pins 1 & 2  | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 |
   |       |   closed    |   closed   |   closed   |   closed   |
   |-------+-------------+------------+------------+------------|
   | 66MHz | pins 2 & 3  | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 |
   |       |   closed    |   closed   |   closed   |   closed   |
   |-------+-------------+------------+------------+------------|
   | 25MHz | pins 1 & 2  | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 |
   |       |   closed    |   closed   |   closed   |   closed   |
   |-------+-------------+------------+------------+------------|
   | 40MHz | pins 2 & 3  | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 |
   |       |   closed    |   closed   |   closed   |   closed   |
   |-------+-------------+------------+------------+------------|
   | 50MHz | pins 1 & 2  | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 |
   |       |   closed    |   closed   |   closed   |   closed   |
   |-------+-------------+------------+------------+------------|
   | 33MHz | pins 2 & 3  | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
   |       |   closed    |   closed   |   closed   |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             CPU CLOCK CONFIGURATION (VT8225N)              |
   |------------------------------------------------------------|
   | Clock  |    JK1     |    JK2     |    JK3     |    JK4     |
   |--------+------------+------------+------------+------------|
   | 16MHz  | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
   |        |   closed   |   closed   |   closed   |   closed   |
   |--------+------------+------------+------------+------------|
   |  8MHz  | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 |
   |        |   closed   |   closed   |   closed   |   closed   |
   |--------+------------+------------+------------+------------|
   | 40MHz  | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
   |        |   closed   |   closed   |   closed   |   closed   |
   |--------+------------+------------+------------+------------|
   | 20MHz  | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 |
   |        |   closed   |   closed   |   closed   |   closed   |
   |--------+------------+------------+------------+------------|
   | 50MHz  | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 |
   |        |   closed   |   closed   |   closed   |   closed   |
   |--------+------------+------------+------------+------------|
   | 25MHz  | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 |
   |        |   closed   |   closed   |   closed   |   closed   |
   |--------+------------+------------+------------+------------|
   | 80MHz  | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 |
   |        |   closed   |   closed   |   closed   |   closed   |
   |--------+------------+------------+------------+------------|
   | 40MHz  | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 |
   |        |   closed   |   closed   |   closed   |   closed   |
   |--------+------------+------------+------------+------------|
   | 66MHz  | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 |
   |        |   closed   |   closed   |   closed   |   closed   |
   |--------+------------+------------+------------+------------|
   | 33MHz  | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 |
   |        |   closed   |   closed   |   closed   |   closed   |
   |--------+------------+------------+------------+------------|
   | 100MHz | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 |
   |        |   closed   |   closed   |   closed   |   closed   |
   |--------+------------+------------+------------+------------|
   | 50MHz  | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 |
   |        |   closed   |   closed   |   closed   |   closed   |
   |--------+------------+------------+------------+------------|
   |  8MHz  | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 |
   |        |   closed   |   closed   |   closed   |   closed   |
   |--------+------------+------------+------------+------------|
   |  4MHz  | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
   |        |   closed   |   closed   |   closed   |   closed   |
   |--------+------------+------------+------------+------------|
   |  4MHz  | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 |
   |        |   closed   |   closed   |   closed   |   closed   |
   |--------+------------+------------+------------+------------|
   |  2MHz  | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
   |        |   closed   |   closed   |   closed   |   closed   |
   +------------------------------------------------------------+