
I-BUS

SHARK II

Processor            Pentium
Processor Speed      75/90/100/120/133/150/166/200MHz
Chip Set             OPTI
Video Chip Set       None
Maximum Onboard      256MB (EDO supported)
Memory
Maximum Video Memory None
Cache                256/512KB
BIOS                 Unidentified
Dimensions           Unidentified
I/O Options          Floppy drive interface, green PC connector, IDE
                     interface, parallel port, PS/2 mouse port, serial
                     ports (2)
NPU Options          None

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                 Location

  IDE interface              J1        Speaker                    J11

  Floppy drive               J2        Chassis fan power          J13
  interface

  Parallel port              J3        Green PC connector         J16

  Serial port 2              J4        PS/2 mouse port            J25

  Serial port 1              J5        IDE interface LED          J27

  Auxiliary keyboard         J8        External battery           J28
  connector

  Reset switch               J10

                        USER CONFIGURABLE SETTINGS

                 Function                     Label          Position

     IDE IRQ14 enabled                        J6             Closed

      IRQ14 disabled                           J6              Open

     Factory configured - do not alter        J15             Open

      Cache always invalidates                 J17             Open

      Cache invalidates on writes only         J17            Closed

     Factory configured - do not alter        J18        Pins 1 & 4, 2 &
                                                             3 closed

      Floppy drive size select                 J19          Pins 1 & 2
      1.2MB/1.44MB                                            closed

      Floppy drive size select 2.88MB          J19        Pins 3 & 4, 5 &
                                                             6 closed

     Watchdog timer enabled                   J21            Closed

      Watchdog timer disabled                  J21             Open

     Factory configured - do not alter        J23             Open

      Password enabled                         J24            Closed

      Password disabled                        J24             Open

     CMOS memory normal operation             J29             Open

      CMOS memory clear                        J29            Closed

      PS/2 mouse IRQ12 enabled                 J30            Closed

      PS/2 mouse IRQ12 disabled                J30             Open

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      8MB         (2) 1M x 36        None

      16MB        (2) 2M x 36        None

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

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

      32MB        (2) 4M x 36        None

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

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

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

      64MB        (2) 8M x 36        None

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

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

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

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

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

     128MB        (2) 16M x 36       None

     136MB        (2) 16M x 36   (2) 1M x 36

     144MB        (2) 16M x 36   (2) 2M x 36

     160MB        (2) 16M x 36   (2) 4M x 36

     192MB        (2) 16M x 36   (2) 8M x 36

     256MB        (2) 16M x 36   (2) 16M x 36

                       CACHE CONFIGURATION

  Note: The location of the 256KB/512KB cache is unidentified.

                        CACHE JUMPER CONFIGURATION

          Size                     J9                       J12

         256KB              Pins 1 & 3, 2 & 4               Open
                                 closed

         512KB              Pins 3 & 5, 4 & 6              Closed
                                 closed

                            CPU SPEED SELECTION

    CPU       Clock      Multiplier     J14      J22      J26       J32
   speed      speed

   75MHz      50MHz         1.5x        Open     Open    1 & 2     Open

   90MHz      60MHz         1.5x        Open    1 & 2,   1 & 2     Open
                                                3 & 4

  100MHz      66MHz         1.5x        Open    1 & 2    1 & 2     Open

  120MHz      60MHz          2x        1 & 2    1 & 2,    Open     Open
                                                3 & 4

  133MHz      66MHz          2x        1 & 2    1 & 2     Open     Open

  150MHz      60MHz         2.5x       1 & 2    1 & 2,    Open     1 & 2
                                                3 & 4

  166MHz      66MHz         2.5x       1 & 2    1 & 2     Open     1 & 2

  200MHz      66MHz          3x         Open    1 & 2     Open     1 & 2

  Note: Pins designated should be in the closed position.

                 DMA CHANNEL SELECTION

          Channel                       J31

             1               Pins 3 & 4, 7 & 8 closed

             3               Pins 1 & 2, 5 & 6 closed

                         WATCH DOG TIMER SELECTION

                Setting                                J33

             IRQ11 for WDT only                 Pins 1 & 3 closed

     IRQ11 shared with WDT & ISA bus        Pins 1 & 3, 2 & 4 closed

           IRQ11 for ISA bus only               Pins 3 & 4 closed

