YOUNG MICRO SYTEMS, INC.

VEGA 486F-VL

Processor              80486SX/80487SX/80486DX/ODP486SX/80486DX2
Processor Speed        16/20/25/33/50(internal)/50/66(internal)MHz
Chip Set               Vega
Max. Onboard DRAM      32MB
Cache                  64/256/1024KB
BIOS                   AMI
Dimensions             330mm x 218mm
I/O Options            32-bit VESA local bus slot
NPU Options            None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Speaker                     J1       Turbo switch                J5

  Power LED & keylock         J2       External battery           JP1

  Reset switch                J3       32-bit VESA local bus       S1
                                       slot

  Turbo LED                   J4

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Monitor type select color                JP2            Closed

      Monitor type select monochrome           JP2             Open

  »   CMOS memory normal operation             JP3           pins 1 & 2
                                                              closed

      CMOS memory clear                        JP3           pins 2 & 3
                                                              closed

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

  »   I/O wait states select zero              JP5             Open

      I/O wait states select one               JP5            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         NONE

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

      16MB        (4) 4M x 9         NONE

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

      CACHE CONFIGURATION

      Size          Bank 0

      64KB        (8) 8K x 8

     256KB        (8) 32K x 8

      1MB        (8) 128K x 8

                        CACHE JUMPER CONFIGURATION

  Size      JP11     JP12      JP13      JP14     JP15     JP16     JP17

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

  256KB     Open     Open     Closed    Closed    2 & 3    Open      1 &
                                                                     2, 2
                                                                     & 3

   1MB     Closed   Closed    Closed    Closed    2 & 3    Open     2 & 3

  Note: Pins designated should be in the closed position.

                          CPU TYPE CONFIGURATION

       Type                JP8               JP9               JP10

      80486SX             Open              Open            pins 2 & 3
                                                              closed

     ODP486SX             Open              Open            pins 2 & 3
                                                              closed

      80487SX           pins 2 & 3         Closed           pins 1 & 2
                         closed                               closed

      80486DX           pins 1 & 2         Closed           pins 1 & 2
                         closed                               closed

     80486DX2           pins 1 & 2         Closed           pins 1 & 2
                         closed                               closed

               CPU SPEED CONFIGURATION

      Speed              JP6               JP7

  16/20/25/33MHz        open             closed

      40MHz            closed             open

      50MHz            closed            closed