YOUNG MICRO SYTEMS, INC.

Vega 486 Cache, VEGA486 33/50F


Processor         80486SX/80486DX
Processor Speed   33/50MHz
Chip Set          Symphony
Max. Onboard DRAM 32MB
Cache             64/256KB
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       4167

[Image]

                                CONNECTIONS

  Purpose                    Location   Purpose                  Location

  Unidentified                  J1      Turbo LED                  P22

  Reset switch                 P10      Power LED & keylock        P23

  Turbo switch                 P21      Speaker                    P25

                        USER CONFIGURABLE SETTINGS

                Function                     Switch          Position

  »   Factory configured - do not alter       SW2/1             Off

  »   Factory configured - do not alter       SW2/2             On

  »   Factory configured - do not alter       SW2/4             On

              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) 256K x 9    (4) 1M x 9

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

      16MB        (4) 4M x 9         NONE

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

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

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

            CACHE CONFIGURATION

     Size          Bank 0          TAG

     64KB        (8) 8K x 8    (1) 8K x 8

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

                  CACHE SWITCH CONFIGURATION

  Size     SW1/3   SW1/4    SW1/5    SW1/6    SW1/7    SW1/8

  64KB      Off      On      Off       On      Off      On

  256KB     On      Off       On      Off       On      Off

          CPU TYPE CONFIGURATION

   Type      SW2/3      SW2/5      SW2/6

  80486SX     Off         On        Off

  80486DX      On        Off        On

           CPU SPEED CONFIGURATION

  Speed   SW1/1     SW1/2    SW2/7    SW2/8

  33MHz    Off       On       Off      Off

  50MHz     On       Off      On       On