
OCEAN INFORMATION SYSTEMS, INC.

BISON III REV. 1.0

Processor         Pentium
Processor Speed   60/66MHz
Chip Set          OPTI
Max. Onboard DRAM 128MB
Cache             64/128/256/512KB
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       32-bit PCI bus slots (3), 2-bit VESA local bus slots (2)
NPU Options       None

[Image]

                                            CONNECTIONS

  Purpose                            Location      Purpose                             Location

  Power LED & keylock                   J1         Speaker                                JP1

  32-bit VESA Local bus slots         J2, J3       Turbo switch                           JP2

  External battery                      J12        Reset switch                           JP3

  32-bit PCI bus slots               JA1, JA2,     Cooling fan connector                 JP12
                                        JA3

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

      CPU clock speed select 60MHz            JP4           pins 1 & 2
                                                              closed

      CPU clock speed select 66MHz            JP4           pins 2 & 3
                                                              closed

     Factory configured - do not             JP5              N/A
      alter

     Factory configured - do not             JP6              N/A
      alter

     Factory configured - do not             JP8              N/A
      alter

     Cooling fan power select 12Vdc          JP13          pins 1 & 2
                                                              closed

      Cooling fan power select +5Vdc          JP13          pins 2 & 3
                                                              closed

     Factory configured - do not             JP14             N/A
      alter

     Monitor type select CGA, EGA,           JP27            Closed
      VGA

      Monitor type select monochrome          JP27             Open

     CMOS normal operation                   JP28          pins 2 & 3
                                                              closed

      CMOS memory reset                       JP28          pins 1 & 2
                                                              closed

     Power-good signal from power            JP29          pins 1 & 2
      supply                                                  closed

      On board power-good signal              JP29          pins 2 & 3
                                                              closed

                DRAM CONFIGURATION

      Size            Bank 0           Bank 1

       2MB        (2) 256K x 32         NONE

       4MB        (2) 256K x 32    (2) 256K x 32

       4MB        (2) 512K x 32         NONE

       6MB        (2) 256K x 32    (2) 512K x 32

       8MB        (2) 512K x 32    (2) 512K x 32

       8MB         (2) 1M x 32          NONE

      10MB        (2) 256K x 32     (2) 1M x 32

      12MB        (2) 512K x 32     (2) 1M x 32

      16MB         (2) 1M x 32      (2) 1M x 32

      16MB         (2) 2M x 32          NONE

      18MB        (2) 256K x 32     (2) 2M x 32

      20MB        (2) 512K x 32     (2) 2M x 32

      24MB         (2) 1M x 32      (2) 2M x 32

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

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

      32MB         (2) 4M x 32          NONE

      34MB        (2) 256K x 32     (2) 4M x 32

      36MB        (2) 512K x 32     (2) 4M x 32

      40MB         (2) 1M x 32      (2) 4M x 32

      48MB         (2) 2M x 32      (2) 4M x 32

      48MB         (2) 2M x 32      (2) 4M x 32

      64MB         (2) 4M x 32      (2) 4M x 32

      64MB         (2) 8M x 32          NONE

      66MB        (2) 256K x 32     (2) 8M x 32

      68MB        (2) 512K x 32     (2) 8M x 32

      72MB         (2) 1M x 32      (2) 8M x 32

      80MB         (2) 2M x 32      (2) 8M x 32

      80MB         (2) 2M x 32      (2) 8M x 32

      96MB         (2) 4M x 32      (2) 8M x 32

      128MB        (2) 8M x 32      (2) 8M x 32

                           CACHE CONFIGURATION

     Size          Bank 0         Bank 1          U13            U14

     64KB        (8) 8K x 8        NONE          NONE        (1) 8K x 8

     128KB       (8) 8K x 8     (8) 8K x 8       NONE        (1) 8K x 8

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

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

                        CACHE JUMPER CONFIGURATION

      Size               JP7                JP9                JP10

      64KB            pins 1 & 2            Open               Open
                        closed

      128KB           pins 2 & 3           Closed              Open
                        closed

      256KB           pins 1 & 2           Closed             Closed
                        closed

      512KB           pins 2 & 3           Closed             Closed
                        closed

                  CACHE JUMPER CONFIGURATION (CONTINUED)

      Size              JP11               JP16               JP17

      64KB              Open            pins 1 & 2      pins 1 & 2 closed
                                          closed

      128KB             Open            pins 2 & 3      pins 2 & 3 closed
                                          closed

      256KB             Open            pins 1 & 2      pins 1 & 2 closed
                                          closed

      512KB            Closed           pins 2 & 3      pins 2 & 3 closed
                                          closed

  VESA WAIT STATE CONFIGURATION

   Wait states         JP15

  1 wait state        Closed

  0 wait states        Open

                       MISCELLANEOUS TECHNICAL NOTE

  Note: The Bison III is shipped with 512KB of cache memory to insure
  optimum Pentium efficiency.

