ADVANCED INTEGRATION RESEARCH, INC.
===================================

   486UL

   Processor        80486SX/80487SX/80486DX/ODP486SX/80486DX2     
   Processor Speed  20/25/33/50(internal)/50/66(internal)MHz      
   Chip Set         UMC                                           
   Max. Onboard     32MB                                          
   DRAM             
   Cache            64/128/256KB                                  
   BIOS             AMI/Phoenix                                   
   Dimensions       330mm x 218mm                                 
   I/O Options      32-bit external memory card slot, 32-bit VESA 
                    local bus slots (3)                           
   NPU Options      None                                          

<gopher://bitreich.org/I/th99/m/A-B/31013-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | External battery  |    J1    | Turbo switch     |    J6    |
   |-------------------+----------+------------------+----------|
   | Power LED &       |    J3    | Turbo LED        |    J7    |
   | keylock           |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Speaker           |    J4    | 32-bit VESA      |  S1-S3   |
   |                   |          | local bus slots  |          |
   |-------------------+----------+------------------+----------|
   | Reset switch      |    J5    | 32-bit external  |   JME1   |
   |                   |          | memory card      |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | Keyboard BIOS speed select 8MHz  |  JO8   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Keyboard BIOS speed select from  |  JO8   | pins 2 & 3 |
   |   | CPU speed                        |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | CMOS memory normal operation     |  JP4   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | CMOS memory clear                |  JP4   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Battery type select internal     |  JP8   |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | Battery type select external     |  JP8   |    Open    |
   |---+----------------------------------+--------+------------|
   |>> | Monitor type select color        |  JP10  |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | Monitor type select monochrome   |  JP10  |    Open    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       1MB        |    (4) 256K x 9    |        NONE        |
   |------------------+--------------------+--------------------|
   |       2MB        |    (4) 256K x 9    |    (4) 256K x 9    |
   |------------------+--------------------+--------------------|
   |       4MB        |     (4) 1M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |       5MB        |     (4) 1M x 9     |    (4) 256K x 9    |
   |------------------+--------------------+--------------------|
   |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       16MB       |     (4) 4M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |       20MB       |     (4) 1M x 9     |     (4) 4M x 9     |
   |------------------+--------------------+--------------------|
   |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
   +------------------------------------------------------------+

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

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   |  Size  |  JP13  |  JP14  |  JP16  |  JP17  | JP18  | JP19  |
   |--------+--------+--------+--------+--------+-------+-------|
   |  64KB  | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2 | 1 & 2 |
   |--------+--------+--------+--------+--------+-------+-------|
   | 128KB  | 2 & 3  | 1 & 2  | 2 & 3  | 1 & 2  | 2 & 3 | 1 & 2 |
   |--------+--------+--------+--------+--------+-------+-------|
   | 256KB  | 1 & 2  | 2 & 3  | 2 & 3  | 2 & 3  | 2 & 3 | 2 & 3 |
   |------------------------------------------------------------|
   | Note: Pins designated should be in the closed position.    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU TYPE CONFIGURATION                   |
   |------------------------------------------------------------|
   |   Type   |        JP1        |         JP2          | JP3  |
   |----------+-------------------+----------------------+------|
   | 80486SX  |       Open        |  pins 2 & 3 closed   | Open |
   |----------+-------------------+----------------------+------|
   | ODP486SX | pins 2 & 3 closed |  pins 1 & 2, 3 & 4   | Open |
   |          |                   |        closed        |      |
   |----------+-------------------+----------------------+------|
   | 80487SX  | pins 2 & 3 closed |  pins 1 & 2, 3 & 4   | Open |
   |          |                   |        closed        |      |
   |----------+-------------------+----------------------+------|
   | 80486DX  | pins 1 & 2 closed |  pins 1 & 2, 3 & 4   | Open |
   |          |                   |        closed        |      |
   |----------+-------------------+----------------------+------|
   | 80486DX2 | pins 1 & 2 closed |  pins 1 & 2, 3 & 4   | Open |
   |          |                   |        closed        |      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  CPU SPEED CONFIGURATION                   |
   |------------------------------------------------------------|
   |  Speed   |   JO3   |   JO4   |   JO5   |   JO6   |  JP23   |
   |----------+---------+---------+---------+---------+---------|
   |  20MHz   | Closed  | Closed  | Closed  |  Open   |  Open   |
   |----------+---------+---------+---------+---------+---------|
   |  25MHz   | Closed  | Closed  |  Open   | Closed  |  Open   |
   |----------+---------+---------+---------+---------+---------|
   |  33MHz   | Closed  |  Open   | Closed  | Closed  |  Open   |
   |----------+---------+---------+---------+---------+---------|
   |  40MHz   |  Open   |  Open   | Closed  |  Open   | Closed  |
   |----------+---------+---------+---------+---------+---------|
   |  50iMHz  | Closed  | Closed  |  Open   | Closed  |  Open   |
   |----------+---------+---------+---------+---------+---------|
   |  50MHz   |  Open   |  Open   |  Open   |  Open   |  Open   |
   |----------+---------+---------+---------+---------+---------|
   |  66iMHz  | Closed  |  Open   | Closed  | Closed  |  Open   |
   +------------------------------------------------------------+