
SEANIX TECHNOLOGY, INC.

3486-VLB

Processor        80386DX/CX486DLC/80486SX/80487SX/80486DX/80486DX2
Processor Speed  20/25/33/40/50(internal)/50/66(internal)MHz
Chip Set         EFAR
Max. Onboard DRAM32MB
Cache            32/64/128/256KB
BIOS             AMI
Dimensions       330mm x 218mm
I/O Options      32-bit VESA local bus slots (2)
NPU Options      80387DX

[Image]

                                CONNECTIONS

  Purpose                  Location     Purpose                 Location

  External battery            JP2       Turbo LED                 JP36

  Power LED & keylock        JP27       Turbo switch              JP39

  Speaker                    JP29       32-bit VESA local      SL1 & SL2
                                        bus slots

  Reset switch               JP35

                        USER CONFIGURABLE SETTINGS

                 Function                      Jumper         Position

     CMOS memory normal                        JP1          pins 1 & 2
      operation/internal battery                               closed

      CMOS memory clear/external battery        JP1          pins 2 & 3
                                                               closed

     Factory configured - do not alter         JP3             Open

     Factory configured - do not alter         JP20            Open

     Factory configured - do not alter         JP40         pins 2 & 3
                                                               closed

     Factory configured - do not alter         JP41         pins 2 & 3
                                                               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) 1M x 9     (4) 256K x 9

      8MB         (4) 1M x 9      (4) 1M x 9

      16MB        (4) 4M x 9         NONE

      17MB        (4) 4M x 9     (4) 256K x 9

      20MB        (4) 4M x 9      (4) 1M x 9

      32MB        (4) 4M x 9      (4) 4M x 9

                    CACHE CONFIGURATION

     Size          Bank 0         Bank 1          TAG

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

     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 JUMPER CONFIGURATION

   Size      JP13     JP14      JP15     JP16     JP21     JP22     JP23

   32KB      Open     Open     2 & 3     Open     1 & 2   2 & 3    2 & 3

   64KB      Open     Open     2 & 3    Closed    1 & 2   1 & 2    1 & 2

  128KB     Closed    Open     1 & 2    Closed    2 & 3   1 & 2    2 & 3

  256KB     Closed   Closed    1 & 2    Closed    1 & 2   1 & 2    1 & 2

  Note: Pins designated should be in the closed position.

                          CPU TYPE CONFIGURATION

    Type      JP4    JP7    JP8   JP9    JP12    JP17     JP18     JP19

   80386SX     1 &   1 &    1 &    1 &   Open    Open     Open    Closed
               2      2      2     2

  CX486DLC     2 &   1 &    2 &    1 &   Open    Open     Open    Closed
               3      2      3     2

   80486SX     2 &   2 &    1 &    2 &   Open    2 & 3    Open     Open
               3      3      2     3

   80487SX     2 &   2 &    1 &    2 &   1 & 2   1 & 2   Closed    Open
               3      3      2     3

   80486DX     2 &   2 &    1 &    2 &   2 & 3   1 & 2   Closed    Open
               3      3      2     3

  80486DX2     2 &   2 &    1 &    2 &   2 & 3   1 & 2   Closed    Open
               3      3      2     3

  Note: Pins designated should be in the closed position.

                      CPU TYPE CONFIGURATION (CONT)

    Type      JP25    JP26    JP28    JP31     JP32     JP37       JP38

  80386SX     1 & 2   1 & 2   1 & 2   1 & 2    2 & 3    Open       Open

  CX486DLC    1 & 2   1 & 2   1 & 2   1 & 2    2 & 3    Open       Open

  80486SX     2 & 3   2 & 3   2 & 3   2 & 3    1 & 2   Closed     Closed

  80487SX     2 & 3   2 & 3   2 & 3   2 & 3    1 & 2   Closed     Closed

  80486DX     2 & 3   2 & 3   2 & 3   2 & 3    1 & 2   Closed     Closed

  80486DX2    2 & 3   2 & 3   2 & 3   2 & 3    1 & 2   Closed     Closed

  Note: Pins designated should be in the closed position.

        VESA ID BUS CONFIGURATION

         ID                  JP34

       ID2 = 0        pins 2 & 3 closed

       ID2 = 1        pins 1 & 2 closed

        VESA ID BUS CONFIGURATION

         ID                  JP33

       ID3 = 0        pins 2 & 3 closed

       ID3 = 1        pins 1 & 2 closed

        VESA ID BUS CONFIGURATION

         ID                  JP30

       ID4 = 0        pins 2 & 3 closed

       ID4 = 1        pins 1 & 2 closed

