
YOUNG MICRO SYSTEMS, INC.

VS3486F-3VL

Processor        80386DX/CX486DLC/80486SX/80486DX/80486DX2/ODP586SX
Processor Speed  25/33/40/50(internal)/66(internal)MHz
Chip Set         Symphony
Max. Onboard DRAM64MB
Cache            64/256/1024KB
BIOS             AMI
Dimensions       230mm x 218mm
I/O Options      32-bit VESA local bus slots (3)
NPU Options      None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Speaker                    CN1       External battery           CN6

  Turbo LED                  CN2       32-bit VESA Local bus       S1
                                       slot

  Turbo switch               CN3       32-bit VESA Local bus       S2
                                       slot

  Reset switch               CN4       32-bit VESA Local bus       S3
                                       slot

  Power LED & keylock        CN5

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Internal battery support enabled         J1             Closed

      Internal battery support enabled         J1              Open

     Factory configured - do not              J2            Unknown
      alter

     Factory configured - do not              J3            Unknown
      alter

              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) 1M x 9      (4) 4M x 9

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

      64MB        (4) 16M x 9        NONE

                        CACHE JUMPER CONFIGURATION

   Size       JP10         JP11         JP12         JP15         JP16

   64KB    pins 1 & 2   pins 1 & 2   pins 1 & 2   pins 1 & 2   pins 1 & 2

  256KB    pins 2 & 3   pins 2 & 3   pins 2 & 3   pins 1 & 2   pins 1 & 2

  1024KB   pins 2 & 3   pins 2 & 3   pins 2 & 3   pins 2 & 3   pins 2 & 3

  Note:Pins designated should be in the closed position.

                          CPU TYPE CONFIGURATION

     Type         JP4      JP5      JP6     JP7   JP8   JP9   JP13   JP14

  80386DX/25     Open     Closed   Open     1 &   2 &   1 &   1 &     2 &
                                            2     3     2      2      3

  80386DX/33     Closed   Open     Open     1 &   2 &   1 &   1 &     2 &
                                            2     3     2      2      3

  80386DX/40     Open     Open     Open     1 &   2 &   1 &   1 &     2 &
                                            2     3     2      2      3

  80486SX/25     Open     Closed   Closed   2 &   1 &   2 &   2 &     1 &
                                            3     2     3      3      2

  80486SX/33     Closed   Open     Closed   2 &   1 &   2 &   2 &     1 &
                                            3     2     3      3      2

  80486DX/25     Open     Closed   Closed   2 &   1 &   2 &   2 &     1 &
                                            3     2     3      3      2

  80486DX/33     Closed   Open     Closed   2 &   1 &   2 &   2 &     1 &
                                            3     2     3      3      2

  80486DX/50     Open     Closed   Closed   2 &   1 &   2 &   2 &     1 &
                                            3     2     3      3      2

  80486DX2/50i   Open     Closed   Closed   2 &   1 &   2 &   2 &     1 &
                                            3     2     3      3      2

  80486DX2/66i   Closed   Open     Closed   2 &   1 &   2 &   2 &     1 &
                                            3     2     3      3      2

  Note:Pins designated should be in the closed position.

                            CPU TYPE CONFIGURATION

     Type        JP17   JP18     JP19     JP20     JP21    JP22   JP22A   JP23

  80386DX/25     1 &   Closed   Closed   Closed    Open    1 &    2 & 3   2 &
                  2                                         2              3

  80386DX/33     1 &   Closed   Closed   Closed    Open    1 &    2 & 3   2 &
                  2                                         2              3

  80386DX/40     1 &    Open    Closed   Closed    Open    1 &    2 & 3   2 &
                  2                                         2              3

  80486SX/25     2 &   Closed   Closed    Open    Closed   1 &    2 & 3   2 &
                  3                                         2              3

  80486SX/33     2 &   Closed   Closed    Open    Closed   1 &    2 & 3   2 &
                  3                                         2              3

  80486DX/25     2 &   Closed   Closed    Open    Closed   1 &    2 & 3   2 &
                  3                                         2              3

  80486DX/33     2 &   Closed   Closed    Open    Closed   1 &    2 & 3   2 &
                  3                                         2              3

  80486DX/50     2 &    Open    Closed    Open    Closed   2 &    1 & 2   1 &
                  3                                         3              2

  80486DX2/50i   2 &   Closed   Closed    Open    Closed   1 &    2 & 3   2 &
                  3                                         2              3

  80486DX2/66i   2 &   Closed   Closed    Open    Closed   1 &    2 & 3   2 &
                  3                                         2              3

  Note:Pins designated should be in the closed position.

                              CPU TYPE CONFIGURATION

     Type        JP24     JP30    JP31    JP32     JP33    JP34   JP35     JP36

  80386DX/25     Closed  Closed   Open    Open     Open    1 &    Closed   Closed
                                                            2

  80386DX/33     Closed  Closed   Open    Open     Open    1 &    Closed   Closed
                                                            2

  80386DX/40     Closed  Closed   Open   Closed    Open    1 &    Closed   Closed
                                                            2

  80486SX/25     Open    Closed   Open    Open     Open    1 &    Closed   Closed
                                                            2

  80486SX/33     Open    Closed   Open    Open     Open    1 &    Closed   Closed
                                                            2

  80486DX/25     Open    Closed   Open    Open     Open    1 &    Closed   Closed
                                                            2

  80486DX/33     Open    Closed   Open    Open     Open    1 &    Closed   Closed
                                                            2

  80486DX/50     Open    Closed   Open   Closed   Closed   1 &    Closed   Closed
                                                            2

  80486DX2/50i   Open    Closed   Open    Open     Open    1 &    Closed   Closed
                                                            2

  80486DX2/66i   Open    Closed   Open    Open     Open    1 &    Closed   Closed
                                                            2

  Note:Pins designated should be in the closed position.

