YOUNG MICRO SYSTEMS, INC.

CROSS P54C-VIP (REV. 1.0)

Processor            Pentium
Processor Speed      90/100MHz
Chip Set             OPTI
Max. Onboard DRAM    128MB
Cache                256/512/1024/2048KB
BIOS                 Award
Dimensions           330mm x 218mm
I/O Options          32-bit VESA local bus slots (3), 32-bit PCI slots
                     (4), PS/2 mouse connector
NPU Options          None

[Image]

                                CONNECTIONS

  Purpose                   Location     Purpose                Location

  PS/2 mouse connector         CN1       Reset switch             CN5

  External battery             CN2       32-bit VESA local     SL1 - SL3
                                         bus slots

  Power LED & keylock          CN3       32-bit PCI slots      PC1 - PC4

  Speaker                      CN4

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Factory configured - do not alter        JP1             Open

  »   Factory configured - do not alter        JP3             Open

  »   Factory configured - do not alter        JP4             Open

  »   Factory configured - do not alter        JP5           pins 2 & 3
                                                              closed

  »   Factory configured - do not alter        JP9            Closed

  »   Factory configured - do not alter       JP10            Closed

  »   Factory configured - do not alter       JP16           pins 2 & 3
                                                              closed

  »   Factory configured - do not alter       JP18            Closed

  »   Factory configured - do not alter       JP19             Open

  »   Factory configured - do not alter       JP25           pins 2 & 3
                                                              closed

  »   Factory configured - do not alter       JP27           pins 2 & 3
                                                              closed

  »   Factory configured - do not alter       JP28           pins 1 & 2
                                                              closed

  »   CMOS memory normal operation            JP30           pins 2 & 3
                                                              closed

      CMOS memory clear                       JP30           pins 1 & 2
                                                              closed

  »   AT speed select fast                    JP33            Closed

      AT speed select slow                    JP33             Open

  »   Factory configured - do not alter       JP34             Open

  »   Factory configured - do not alter       JP35             Open

  »   Flash BIOS type select normal           JP90           pins 1 & 2
                                                              closed

      Flash BIOS type select                  JP90           pins 2 & 3
      programming                                             closed

                DRAM CONFIGURATION

      Size            Bank 0           Bank 1

       2MB        (2) 256K x 36         NONE

       4MB        (2) 512K x 36         NONE

       4MB        (2) 256K x 36    (2) 256K x 36

       8MB         (2) 1M x 36          NONE

      16MB         (2) 1M x 36      (2) 1M x 36

      32MB         (2) 4M x 36          NONE

      40MB         (2) 1M x 36      (2) 4M x 36

      64MB         (2) 8M x 36          NONE

      64MB         (2) 4M x 36      (2) 4M x 36

      128MB        (2) 8M x 36      (2) 8M x 36

                            CACHE CONFIGURATION

     Size          Bank 0         Bank 1         DIRTY           TAG

     256KB       (8) 32K x 8       NONE       (4) 16K x 1    (1) 8K x 8

     512KB       (8) 32K x 8    (8) 32K x 8   (4) 64K x 1    (1) 32K x 8

      1MB        (8) 128K x        NONE       (4) 64K x 1   (1) 128K x 8
                     8

      2MB        (8) 128K x     (8) 128K x    (4) 64K x 1   (1) 128K x 8
                     8              8

                 CACHE JUMPER CONFIGURATION

   Size       JP6       JP7       JP8       JP11      JP14

  256KB      Open     Closed     Closed    1 & 2     1 & 2

  512KB     Closed    Closed     Closed    2 & 3     2 & 3

   1MB      Closed    Closed     Closed    1 & 2     1 & 2

   2MB      Closed    Closed     Closed    2 & 3     2 & 3

  Note: Pins designated should be in the closed position.

               CACHE JUMPER CONFIGURATION (CON’T)

   Size       JP15       JP94       JP95       JP97       JP98

   256KB      1 & 2       N/A        N/A       Open       Open

   512KB      2 & 3       N/A        N/A       Open       Open

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

    2MB       2 & 3      2 & 3      2 & 3     Closed     Closed

  Note: Pins designated should be in the closed position.

   CPU SPEED CONFIGURATION

  Speed      JP20      JP21

  90MHz     Closed    Closed

  100MHz    Closed     Open

    AT CLOCK CONFIGURATION

   Type      JP31      JP32

  LCLK/2     Open      Open

  LCLK/3    Closed     Open

  LCLK/4     Open     Closed

  LCLK/5    Closed    Closed

  VESA WAIT STATE CONFIGURATION

   Wait states         JP43

  0 wait states        Open

  1 wait state        Closed

  BUS SPEED CONFIGURATION

  CPU speed        JP41

   <= 33MHz        Open

   > 33MHz        Closed