YOUNG MICRO SYSTEMS, INC.

VEGA MERCURY PENTIUM PCI

Processor         Pentium
Processor Speed   60/66MHz
Chip Set          Intel
Max. Onboard DRAM 192MB
Cache             256/512KB
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       32-bit PCI bus slots (3), PS/2 mouse port
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose                 Location      Purpose               Location

  Speaker                    J1         Power LED &              J8
                                        keylock

  Reset switch               J3         32-bit PCI bus      SL1, SL2, SL3

  PS/2 mouse connector       J4

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   CMOS memory normal operation             J2              Open

      CMOS memory clear                        J2             Closed

  »   Factory configured - do not alter        J5              Open

  »   Factory configured - do not alter        J6              Open

  »   Factory configured - do not alter        J7              Open

  »   Flash BIOS write protect enabled         J10           pins 1 & 2
                                                              closed

  »   Flash BIOS write protect disabled        J10           pins 2 & 3
                                                              closed

  »   Flash BIOS programming normal            J11             Open
      mode

      Flash BIOS programming flash             J11            Closed
      EPROM

  »   Factory configured - do not alter        J45             Open

  »   Factory configured - do not alter        J46             Open

  »   Factory configured - do not alter        J47             Open

  »   Factory configured - do not alter        J48            Closed

  »   Factory configured - do not alter        J49            Closed

  »   Factory configured - do not alter        J72           pins 2 & 3
                                                              closed

  »   Factory configured - do not alter        JQ5           pins 2 & 3
                                                              closed

  »   Factory configured - do not alter        JQ9           pins 2 & 3
                                                              closed

  »   Factory configured - do not alter       JQ11           pins 2 & 3
                                                              closed

  »   PCI IRQ trigger type select             JQ14           pins 1 & 2
      inverted                                                closed

      PCI IRQ trigger type select             JQ14           pins 2 & 3
      standard                                                closed

  »   Factory configured - do not alter       JQ15           pins 2 & 3
                                                              closed

                        DRAM CONFIGURATION

      Size            Bank 0           Bank 1          Bank 2

       1MB        (2) 256K x 36         NONE            NONE

       4MB        (2) 256K x 36    (2) 256K x 36        NONE

       8MB        (2) 256K x 36    (2) 256K x 36    (2) 256K x 36

      16MB         (2) 2M x 36          NONE            NONE

      16MB         (2) 1M x 36      (2) 1M x 36         NONE

      32MB         (2) 4M x 36          NONE            NONE

      32MB         (2) 2M x 36      (1) 2M x 36         NONE

      64MB         (2) 8M x 36          NONE            NONE

      64MB         (2) 4M x 36      (2) 4M x 36         NONE

      128MB        (2) 8M x 36      (2) 8M x 36         NONE

      192MB        (2) 8M x 36      (2) 8M x 36      (2) 8M x 36

     CACHE CONFIGURATION

     Size          Bank 0

     256KB      (8) 32K x 8

     512KB      (8) 64K x 8

        CACHE JUMPER CONFIGURATION

        Size                 J71

        256KB         pins 1 & 2 closed

        512KB         pins 2 & 3 closed

                  PCI INTERRUPT CONFIGURATION

  Interrupt     J73/A        J73/B        J73/C        J73/D

    INT A       Closed        Open        Open         Open

    INT B        Open        Closed       Open         Open

    INT C        Open         Open       Closed        Open

    INT D        Open         Open        Open        Closed