
I-BUS

TIGERSHARK

Processor           Pentium
Processor Speed     75/90/100/120/133/150/166/180/200MHz
Chip Set            OPTI
Video Chip Set      None
Maximum Onboard     256MB
Memory
Maximum Video       None
Memory
Cache               256/512KB
BIOS                Award
Dimensions          Unidentified
I/O Options         Floppy drive interface, IDE interface, SCSI interface,
                    green PC connector, parallel port, PS/2 mouse port,
                    serial ports (2)
NPU Options         None

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                 Location

  IDE interface              J1        Reset switch               J10

  Floppy drive               J2        Speaker                    J11
  interface

  Parallel port              J3        Chassis fan power          J13

  Serial port 2              J4        Green PC connector         J16

  Serial port 1              J5        PS/2 mouse port            J25

  SCSI interface             J7        IDE interface LED          J27

  Auxiliary keyboard         J8        External battery           J28
  connector

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     IDE IRQ14 enabled                        J6             Closed

      IDE IRQ14 disabled                       J6              Open

     Factory configured - do not alter       J15              Open

     Cache always invalidate                 J17              Open

      Cache invalidate on write               J17             Closed

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

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

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

     Watch dog timer enabled                 J21             Closed

      Watch dog 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

      Mouse IRQ12 enabled                     J30             Closed

      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) 1M x 36    (2) 2M x 36

      32MB        (2) 4M x 36        None

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

      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) 16M x 36       None

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

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

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

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

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

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

                            CACHE CONFIGURATION

  Note: Board accepts 256KB/512KB cache. The location and chip sizes are
  unidentified.

                        CACHE JUMPER CONFIGURATION

          Size                     J9                       J12

         256KB              Pins 3 & 5, 4 & 6               Open
                                 closed

         512KB              Pins 1 & 3, 2 & 4              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

  180MHz      60MHz          3x         Open    1 & 2,    Open     1 & 2
                                                3 & 4

  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/ISA BUS SELECTION

                Setting                                J33

       IRQ11 for watch dog timer and        Pins 1 & 3, 2 & 4 closed
                  ISA bus

       IRQ11 for watch dog timer only           Pins 1 & 3 closed

           IRQ11 for ISA bus only               Pins 3 & 4 closed

