AST RESEARCH, INC.
==================

   ADVANTAGE! 6000 SERIES 486 (202676-F05)

   Processor  80486SX/80487SX/ODP486/ODPR486/80486DX/80486DX2/P24T 
   Processor  25/33/50(internal)/66(internal)MHz                   
   Speed      
   Chip Set   Unidentified                                         
   Max.       32MB                                                 
   Onboard    
   DRAM       
   Cache      None                                                 
   BIOS       AST                                                  
   Dimensions 220mm x 220mm                                        
   I/O        Floppy drive interface, IDE interface, parallel      
   Options    port, PS/2 mouse port, serial ports (2), VGA port,   
              riser slot                                           
   NPU        None                                                 
   Options    

<gopher://bitreich.org/I/th99/m/A-B/33249-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose         | Location | Purpose            | Location |
   |-----------------+----------+--------------------+----------|
   | PS/2 mouse port |   CN2    | Power LED          |   E12    |
   |-----------------+----------+--------------------+----------|
   | Serial port     |   CN3    | IDE interface LED  |   E13    |
   |-----------------+----------+--------------------+----------|
   | Serial port     |   CN4    | IDE interface      |   J22    |
   |-----------------+----------+--------------------+----------|
   | Parallel port   |   CN5    | Floppy drive       |   J24    |
   |                 |          | interface          |          |
   |-----------------+----------+--------------------+----------|
   | VGA port        |   CN6    | Chassis fan power  |   J28    |
   |-----------------+----------+--------------------+----------|
   | Reset switch    |   E11    | Riser slot         |   SL1    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function              | Jumper |   Position   |
   |------------------------------------+--------+--------------|
   |>> | Parallel port IRQ select IRQ7  |   E1   |  Pins 1 & 2  |
   |   |                                |        |    closed    |
   |---+--------------------------------+--------+--------------|
   |   | Parallel port IRQ select IRQ5  |   E1   |  Pins 2 & 3  |
   |   |                                |        |    closed    |
   |---+--------------------------------+--------+--------------|
   |>> | On board video enabled         |   E3   |    Closed    |
   |---+--------------------------------+--------+--------------|
   |   | On board video disabled        |   E3   |     Open     |
   |---+--------------------------------+--------+--------------|
   |>> | Monitor type select color      |   E4   |     Open     |
   |---+--------------------------------+--------+--------------|
   |   | Monitor type select monochrome |   E4   |    Closed    |
   |---+--------------------------------+--------+--------------|
   |>> | Password enabled               |   E5   |     Open     |
   |---+--------------------------------+--------+--------------|
   |   | Password disabled              |   E5   |    Closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       4MB        |    (1) 1M x 32     |        None        |
   |------------------+--------------------+--------------------|
   |       5MB        |    (1) 1M x 32     |   (1) 256K x 32    |
   |------------------+--------------------+--------------------|
   |       8MB        |    (1) 1M x 32     |    (1) 1M x 32     |
   |------------------+--------------------+--------------------|
   |       16MB       |    (1) 4M x 32     |        None        |
   |------------------+--------------------+--------------------|
   |       17MB       |    (1) 4M x 32     |   (1) 256K x 32    |
   |------------------+--------------------+--------------------|
   |       20MB       |    (1) 4M x 32     |    (1) 1M x 32     |
   |------------------+--------------------+--------------------|
   |       32MB       |    (1) 4M x 32     |    (1) 4M x 32     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU TYPE CONFIGURATION                   |
   |------------------------------------------------------------|
   |      Type      |   E6   |   E7    |   E8   |  E9   |  E10  |
   |----------------+--------+---------+--------+-------+-------|
   | 80486SX (PQFP) | 1 & 2  | Closed  | 2 & 3  | 1 & 2 | 2 & 3 |
   |----------------+--------+---------+--------+-------+-------|
   | 80486SX (PGA)  | 1 & 2  |  Open   | 1 & 2  | 2 & 3 | 1 & 2 |
   |----------------+--------+---------+--------+-------+-------|
   |    80487SX     | 1 & 2  | Closed  | 2 & 3  | 1 & 2 | 2 & 3 |
   |----------------+--------+---------+--------+-------+-------|
   |     ODP486     | 1 & 2  | Closed  | 2 & 3  | 1 & 2 | 2 & 3 |
   |----------------+--------+---------+--------+-------+-------|
   |    ODPR486     | 1 & 2  | Closed  | 1 & 2  | 2 & 3 | 2 & 3 |
   |----------------+--------+---------+--------+-------+-------|
   |    80486DX     | 1 & 2  | Closed  | 1 & 2  | 2 & 3 | 2 & 3 |
   |----------------+--------+---------+--------+-------+-------|
   |    80486DX2    | 1 & 2  | Closed  | 1 & 2  | 2 & 3 | 2 & 3 |
   |----------------+--------+---------+--------+-------+-------|
   |      P24T      | 2 & 3  | Closed  | 2 & 3  | 1 & 2 | 2 & 3 |
   |------------------------------------------------------------|
   | Note: Pins designated should be in the closed position.    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  CPU SPEED CONFIGURATION                   |
   |------------------------------------------------------------|
   |            Speed             |             E2              |
   |------------------------------+-----------------------------|
   |            25MHz             |           Closed            |
   |------------------------------+-----------------------------|
   |            33MHz             |            Open             |
   |------------------------------+-----------------------------|
   |            50iMHz            |           Closed            |
   |------------------------------+-----------------------------|
   |            66iMHz            |            Open             |
   +------------------------------------------------------------+