
ADVANCED INTEGRATION RESEARCH, INC.

486VP REV. 1.11

Processor   80486SX/80487SX/80486DX/ODP486SX/80486DX2/80486DX4/Pentium
            Overdrive
Processor   25/33/40/50(internal)/50/66(internal)MHz
Speed
Chip Set    SIS
Max.        128MB
Onboard
DRAM
Cache       256/512/1024KB
BIOS        AMI
Dimensions  330mm x 218mm
I/O Options 32-bit VESA local bus slots (2), 32-bit PCI slots (4)
NPU Options None

[Image]

                                CONNECTIONS

  Purpose                  Location     Purpose                 Location

  External battery            JP1       Turbo LED                 JP46

  Speaker                    JP43       Turbo switch              JP47

  Power LED & keylock        JP44       32-bit PCI slots       PC1 - PC4

  Reset switch               JP45       32-bit VESA local      SL1 & SL2
                                        bus slots

                        USER CONFIGURABLE SETTINGS

                 Function                      Jumper         Position

     CMOS memory normal operation              JP2          pins 1 & 2
                                                               closed

      CMOS memory clear                         JP2          pins 2 & 3
                                                               closed

     Monitor type select                       JP5             Open
      VGA/EGA/monochrome

      Monitor type select CGA                   JP5            Closed

     Factory configured - do not alter         JP9             Open

     Flash BIOS write protect enabled          JP12         pins 1 & 2
                                                               closed

      Flash BIOS write protect disabled         JP12         pins 2 & 3
                                                               closed

     Factory configured - do not alter         JP42            Open

     Factory configured - do not alter         JP51            Open

     Factory configured - do not alter         JP59            Open

     Factory configured - do not alter         JP67            Open

     Factory configured - do not alter         JP81            Open

     Factory configured - do not alter         JP82            Open

                       DRAM CONFIGURATION (GROUP A)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

      4MB        (4) 1M x 9        NONE           NONE           NONE

      8MB        (4) 1M x 9     (4) 1M x 9        NONE           NONE

     12MB        (4) 1M x 9     (4) 1M x 9    (1) 1M x 36        NONE

     16MB        (4) 4M x 9        NONE           NONE           NONE

     16MB        (4) 1M x 9     (4) 1M x 9    (1) 1M x 36    (1) 1M x 36

     20MB        (4) 1M x 9     (4) 4M x 9        NONE           NONE

     24MB        (4) 1M x 9     (4) 1M x 9    (1) 4M x 36        NONE

     28MB        (4) 1M x 9     (4) 1M x 9    (1) 1M x 36    (1) 4M x 36

     32MB        (4) 4M x 9     (4) 4M x 9        NONE           NONE

     36MB        (4) 4M x 9     (4) 4M x 9    (1) 1M x 36        NONE

     40MB        (4) 4M x 9     (4) 4M x 9    (1) 1M x 36    (1) 1M x 36

     40MB        (4) 1M x 9     (4) 1M x 9    (1) 4M x 36    (1) 4M x 36

     48MB        (4) 4M x 9     (4) 4M x 9    (1) 4M x 36        NONE

     52MB        (4) 4M x 9     (4) 4M x 9    (1) 1M x 36    (1) 4M x 36

     64MB        (4) 16M x 9       NONE           NONE           NONE

     64MB        (4) 4M x 9     (4) 4M x 9    (1) 4M x 36    (1) 4M x 36

     68MB        (4) 1M x 9    (4) 16M x 9        NONE           NONE

     76MB        (4) 1M x 9     (4) 1M x 9    (1) 1M x 36    (1) 16M x 36

     80MB        (4) 4M x 9    (4) 16M x 9        NONE           NONE

     88MB        (4) 1M x 9     (4) 1M x 9    (1) 4M x 36    (1) 16M x 36

     100MB       (4) 4M x 9     (4) 4M x 9    (1) 1M x 36    (1) 16M x 36

     112MB       (4) 4M x 9     (4) 4M x 9    (1) 4M x 36    (1) 16M x 36

     128MB       (4) 16M x 9   (4) 16M x 9        NONE           NONE

         DRAM CONFIGURATION (GROUP B)

      Size          Bank 2          Bank 3

      4MB         (1) 1M x 36        NONE

      8MB         (1) 1M x 36    (1) 1M x 36

      16MB        (1) 4M x 36        NONE

      20MB        (1) 1M x 36    (1) 4M x 36

      32MB        (1) 4M x 36    (1) 4M x 36

      64MB        (1) 16M x 36       NONE

      68MB        (1) 1M x 36    (1) 16M x 36

      80MB        (1) 4M x 36    (1) 16M x 36

     128MB        (1) 16M x 36   (1) 16M x 36

        DRAM CONFIGURATION (GROUP C)

     Size          Bank 2        Bank 3

     16MB        (1) 2M x 36   (1) 2M x 36

     40MB        (1) 2M x 36   (1) 8M x 36

     64MB        (1) 8M x 36   (1) 8M x 36

                         DRAM JUMPER CONFIGURATION

    Group         JP22            JP23           JP24           JP25

   Group A      pins 1 & 2     pins 1 & 2     pins 2 & 3      pins 2 & 3
                 closed          closed         closed         closed

   Group B      pins 2 & 3     pins 2 & 3     pins 1 & 2      pins 1 & 2
                 closed          closed         closed         closed

   Group C      pins 1 & 2     pins 1 & 2     pins 2 & 3      pins 1 & 2
                 closed          closed         closed         closed

                      CACHE CONFIGURATION

      Size          Bank 0          Bank 1           TAG

     256KB        (4) 32K x 8     (4) 32K x 8    (1) 32K x 8

     512KB       (4) 128K x 8        NONE        (1) 32K x 8

      1MB        (4) 128K x 8    (4) 128K x 8    (1) 128K x 8

                        CACHE JUMPER CONFIGURATION

      Size              JP20               JP21               JP62

      256KB           pins 1 & 2        pins 1 & 2            Open
                       closed             closed

      512KB           pins 2 & 3        pins 2 & 3            Open
                       closed             closed

       1MB            pins 2 & 3           Open         pins 2 & 3 closed
                       closed

                          CPU TYPE CONFIGURATION

       Type            JP15            JP18           JP37         JP52

     80486SX         pins 1 & 2     pins 2 & 3        Open         Open
                      closed          closed

     80487SX         pins 1 & 2    pins 1 & 2, 3    pins 1 & 2     Open
                      closed        & 4 closed       closed

   80486DX/DX2       pins 1 & 2    pins 1 & 2, 3    pins 2 & 3     Open
                      closed        & 4 closed       closed

     80486DX4        pins 1 & 2    pins 1 & 2, 3    pins 2 & 3     Open
                      closed        & 4 closed       closed

      Pentium        pins 1 & 2    pins 1 & 2, 3    pins 1 & 2     Open
    Overdrive         closed        & 4 closed       closed

                           CPU SPEED CONFIGURATION

  Speed     JP7    JP8   JP8A    JP13     JP26    JP27   JP28   JP33     JP61

  25MHz    Closed  1 &    2 &    Open    Closed   1 &    2 &    Open     2 &
                    2     3                        2      3               3

  33MHz    Open    1 &    2 &    Open    Closed   2 &    1 &    Open     2 &
                    2     3                        3      2               3

  40MHz    Open    2 &    1 &   Closed    Open    1 &    2 &    Closed   1 &
                    3     2                        2      3               2

  50iMHz   Closed  1 &    2 &    Open    Closed   1 &    2 &    Open     2 &
                    2     3                        2      3               3

  50MHz    Open    2 &    1 &   Closed    Open    2 &    1 &    Closed   1 &
                    3     2                        3      2               2

  66iMHz   Open    1 &    2 &    Open    Closed   2 &    1 &    Open     2 &
                    2     3                        3      2               3

  Note: Pins designated should be in the closed position.

                  CPU SPEED CONFIGURATION (80486DX4 ONLY)

         Speed                    JP27                     JP28

         25MHz                    Open                    Closed

         33MHz                   Closed                    Open

  Note: If a DX4 is installed, use these jumper settings and jumpers JP7,
  JP8, JP8A, JP13, JP26, JP33 & JP61 from above table.

               CPU VOLTAGE CONFIGURATION

          Voltage                      JP80

         3.3v (DX4)          pins 3 & 5, 4 & 6 closed

             5v              pins 1 & 3, 2 & 4 closed

                      PCI BUS INTERRUPT CONFIGURATION

     Slots       Slot PC4     JP10F      JP10G       JP10H       JP10K
    PC1-PC3

     IRQ9          N/A        1 & 2       Open        Open        Open

     IRQ10         N/A        Open       1 & 2        Open        Open

     IRQ11         N/A        Open        Open       1 & 2        Open

      N/A         IRQ14       Open        Open        Open       2 & 4

  Note: Pins designated should be in the closed position.

