SILICON STAR INTERNATIONAL, INC.

PK5 (REV. 1.1)

Processor         Pentium
Processor Speed   90/100/120/133MHz
Chip Set          OPTI
Max. Onboard DRAM 128MB
Cache             256/512/1024KB
BIOS              Award
Dimensions        254mm x 218mm
I/O Options       32-bit PCI slots (3), green PC connector
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose                   Location     Purpose                Location

  Green PC connector          JP14       Reset switch             JW4

  Power LED & keylock          JW1       Turbo LED                JW5

  Speaker                      JW2       32-bit PCI slots       PC1 - PC3

  Turbo switch                 JW3

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   CMOS memory normal operation            JP5              Open

      CMOS memory clear                       JP5             Closed

  »   Monitor type select color               JP18            Closed

      Monitor type select monochrome          JP18             Open

  »   Factory configured - do not             JP28             N/A
      alter

                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

       6MB        (2) 256K x 36    (2) 512K x 36

       8MB         (2) 1M x 36          NONE

       8MB        (2) 512K x 36    (2) 512K x 36

      10MB        (2) 256K x 36     (2) 1M x 36

      12MB        (2) 512K x 36     (2) 1M x 36

      16MB         (2) 2M x 36          NONE

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

      18MB        (2) 256K x 36     (2) 2M x 36

      20MB        (2) 512K x 36     (2) 2M x 36

      24MB         (2) 1M x 36      (2) 2M x 36

      32MB         (2) 4M x 36          NONE

      32MB         (2) 2M x 36      (2) 2M x 36

      34MB        (2) 256K x 36     (2) 4M x 36

      36MB        (2) 512K x 36     (2) 4M x 36

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

      48MB         (2) 2M x 36      (2) 4M x 36

      64MB         (2) 8M x 36          NONE

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

      66MB        (2) 256K x 36     (2) 8M x 36

      68MB        (2) 512K x 36     (2) 8M x 36

      72MB         (2) 1M x 36      (2) 8M x 36

      80MB         (2) 2M x 36      (2) 8M x 36

      96MB         (2) 4M x 36      (2) 8M x 36

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

                            DRAM CONFIGURATION

                Type                                  JP4

  Bank 0 = single side SIMM & Bank 1       pins 1 & 2, 3 & 4 closed
             = any SIMM

  Bank 0 = double side SIMM & Bank 1       pins 2 & 3, 4 & 5 closed
             = any SIMM

              CACHE CONFIGURATION

      Size          Bank 0           TAG

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

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

      1MB         (8) 128K x 8   (1) 32K x 8

               CACHE JUMPER CONFIGURATION

            Size                       JP11

           256KB             pins 2 & 3, 5 & 6 closed

           512KB             pins 1 & 2, 5 & 6 closed

            1MB              pins 1 & 2, 4 & 5 closed

             CPU SPEED CONFIGURATION

  Speed      JP7       JP8       JP9       JP27

  75MHz     Closed     Open      Open      Open

  90MHz      Open     Closed     Open      Open

  100MHz    Closed     Open     Closed     Open

  120MHz     Open     Closed     Open     Closed

  133MHz    Closed     Open     Closed    Closed