AORTA SYSTEMS CORPORATION

VL/EISA-486SV1

Processor        80486SX/80487SX/80486DX/ODP486SX/80486DX2
Processor Speed  16/20/25/33/50(internal)/50/66(internal) MHz
Chip Set         SIS
Max. onboard DRAM128MB
Cache            64/128/256KB
BIOS             Award
Dimensions       330mm x 218mm
I/O Options      32-bit VESA local bus slot
NPU Options      None

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                  Location

  Reset switch              CON1       Speaker                    CON4

  Turbo switch              CON2       Power LED & keylock        CON5

  Turbo LED                 CON3       32-bit VESA local bus       S1
                                       slot

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch         Position

  »   Factory configured - do not            JD1                Open
      alter

  »   Factory configured - do not            JD3             pins 2 & 3
      alter                                                    closed

  »   Factory configured - do not            JP3             pins 2 & 3
      alter                                                    closed

  »   Factory configured - do not            JP4             pins 1 & 2
      alter                                                    closed

  »   Factory configured - do not            JP5             pins 1 & 2
      alter                                                    closed

  »   Factory configured - do not            JP6             pins 1 & 2
      alter                                                    closed

  »   Factory configured - do not           JP13             pins 1 & 2
      alter                                                    closed

  »   Factory configured - do not            JV5             pins 1 & 2
      alter                                                    closed

  »   Factory configured - do not            JV7             pins 1 & 2
      alter                                                    closed

  »   Factory configured - do not           JV10             pins 1 & 2
      alter                                                    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

      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

      64MB        (4) 16M x 9        NONE

     128MB        (4) 16M x 9    (4) 16M x 9

                    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 RESISTOR PACK CONFIGURATION

      Size             CJ1              CJ2              CJ3

      64KB          Installed      Not installed    Not installed

      128KB       Not installed      Installed      Not installed

      256KB       Not installed    Not installed      Installed

         CPU SPEED CONFIGURATION

        Speed                JP9

        16MHz         pins 2 & 3 closed

        20MHz         pins 2 & 3 closed

        25MHz         pins 2 & 3 closed

        33MHz         pins 2 & 3 closed

       50iMHz         pins 2 & 3 closed

        50MHz         Pins 1 & 2 closed

       66iMHz         pins 2 & 3 closed

                          CPU TYPE CONFIGURATION

    Type      SW1/1      SW1/2     SW1/3     SW1/4      SW1/5     SW1/6

  80486SX      Off        Off       Off       Off        On         On

  80487SX      Off        On        On         On        Off        On

  80486DX       On        On        On        Off        Off        On

  ODP486SX     Off        On        On         On        Off        On

  80486DX2      On        On        On        Off        Off        On

          PGA TYPE CONFIGURATION

        Type                 JP8

       80486SX        pins 1 & 2 closed

       80487SX        pins 2 & 3 closed

       80486DX        pins 1 & 2 closed

      ODP486SX        pins 2 & 3 closed

      80486DX2        pins 1 & 2 closed

       No PGA         pins 2 & 3 closed