QUICKPATH SYSTEMS, INC.
=======================

   POWERSOUND 486I

   Processor         80486SX/80486DX/80486DX2                     
   Processor Speed   25/33/50(Internal)/66(Internal)MHz           
   Chip Set          OPTI                                         
   Max. onboard DRAM 32MB                                         
   SRAM Cache        None                                         
   BIOS              AMI/MR                                       
   Dimensions        330mm x 218mm                                
   I/O Options       Line in, microphone in, volume control, and  
                     speaker out (controlled by onboard ES488, a  
                     Sound Blaster Pro compatible sound           
                     processor.)                                  
   NPU Options       None                                         

<gopher://bitreich.org/I/th99/m/P-R/31559-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose              | Location | Purpose       | Location |
   |----------------------+----------+---------------+----------|
   | External battery     |   JP1    | Speaker out   |   CN1    |
   |----------------------+----------+---------------+----------|
   | Turbo Switch         |   JP6    | Volume        |   CN2    |
   |----------------------+----------+---------------+----------|
   | Speaker              |   JP9    | Line in       |   CN3    |
   |----------------------+----------+---------------+----------|
   | Power LED and        |   JP10   | Microphone in |   CN4    |
   | keylock              |          |               |          |
   |----------------------+----------+---------------+----------|
   | Turbo LED            |   JP12   | Reset switch  |   SW1    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |            Function             | Jumper/Switch | Position |
   |---------------------------------+---------------+----------|
   |>> | Monitor type select color   |      JP2      |  Closed  |
   |---+-----------------------------+---------------+----------|
   |   | Monitor type select         |      JP2      |   Open   |
   |   | monochrome                  |               |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |           ONBOARD SOUND SYSTEM DMA CONFIGURATION           |
   |------------------------------------------------------------|
   |       DMA        |        JP7         |        JP8         |
   |------------------+--------------------+--------------------|
   |>> |     DMA1     | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |     DMA3     | Pins 3 & 4 closed  | Pins 3 & 4 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |        ONBOARD SOUND SYSTEM INTERRUPT CONFIGURATION        |
   |------------------------------------------------------------|
   |         Interrupt          |             JP11              |
   |----------------------------+-------------------------------|
   |         |       IRQ3       |       Pins 1 & 2 closed       |
   |---------+------------------+-------------------------------|
   |         |       IRQ5       |       Pins 3 & 4 closed       |
   |---------+------------------+-------------------------------|
   |>>       |       IRQ7       |       Pins 5 & 6 closed       |
   |---------+------------------+-------------------------------|
   |         |       IRQ9       |       Pins 7 & 8 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     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) 256K x 9    |     (4) 1M 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     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             CPU TYPE AND SPEED CONFIGURATIONS              |
   |------------------------------------------------------------|
   |   Type   |  CPU   |  OSC  |    JP3    |    JP4    |  JP5   |
   |          | Speed  |       |           |           |        |
   |----------+--------+-------+-----------+-----------+--------|
   | 80486SX  | 25MHz  | 25MHz |   Open    | Pins 2 &  |  Open  |
   |          |        |       |           | 3 closed  |        |
   |----------+--------+-------+-----------+-----------+--------|
   | 80487SX  | 25MHz  | 25MHz | Pins 2 &  | Pins 1 &  | Closed |
   |          |        |       | 3 closed  | 2 closed  |        |
   |----------+--------+-------+-----------+-----------+--------|
   | 80486DX  | 33MHz  | 33MHz | Pins 1 &  | Pins 1 &  | Closed |
   |          |        |       | 2 closed  | 2 closed  |        |
   |----------+--------+-------+-----------+-----------+--------|
   | 80486DX2 |  50i   | 25MHz | Pins 2 &  | Pins 1 &  | Closed |
   |          |  MHz   |       | 3 closed  | 2 closed  |        |
   |----------+--------+-------+-----------+-----------+--------|
   | 80486DX2 |  66i   | 33MHz | Pins 1 &  | Pins 1 &  | Closed |
   |          |  MHz   |       | 2 closed  | 2 closed  |        |
   +------------------------------------------------------------+