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

[Image]

                                CONNECTIONS

  Purpose                  Location   Purpose                    Location

  External battery           JP1      Speaker out                  CN1

  Turbo Switch               JP6      Volume                       CN2

  Speaker                    JP9      Line in                      CN3

  Power LED and keylock     JP10      Microphone in                CN4

  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 & 3      Open
                                                    closed

   80487SX      25MHz      25MHz     Pins 2 & 3   Pins 1 & 2     Closed
                                      closed        closed

   80486DX      33MHz      33MHz     Pins 1 & 2   Pins 1 & 2     Closed
                                      closed        closed

  80486DX2     50i MHz     25MHz     Pins 2 & 3   Pins 1 & 2     Closed
                                      closed        closed

  80486DX2     66i MHz     33MHz     Pins 1 & 2   Pins 1 & 2     Closed
                                      closed        closed