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 Memory

256MB

Maximum Video Memory

None

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

CONNECTIONS

Purpose

Location

Purpose

Location

IDE interface

J1

Reset switch

J10

Floppy drive interface

J2

Speaker

J11

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 connector

J8

External battery

J28

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 closed

Open

512KB

Pins 1 & 3, 2 & 4 closed

Closed

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

J14

J22

J26

J32

75MHz

50MHz

1.5x

Open

Open

1 & 2

Open

90MHz

60MHz

1.5x

Open

1 & 2, 3 & 4

1 & 2

Open

100MHz

66MHz

1.5x

Open

1 & 2

1 & 2

Open

120MHz

60MHz

2x

1 & 2

1 & 2, 3 & 4

Open

Open

133MHz

66MHz

2x

1 & 2

1 & 2

Open

Open

150MHz

60MHz

2.5x

1 & 2

1 & 2, 3 & 4

Open

1 & 2

166MHz

66MHz

2.5x

1 & 2

1 & 2

Open

1 & 2

180MHz

60MHz

3x

Open

1 & 2, 3 & 4

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/ISA BUS SELECTION

Setting

J33

»

IRQ11 for watch dog timer and ISA bus

Pins 1 & 3, 2 & 4 closed

 

IRQ11 for watch dog timer only

Pins 1 & 3 closed

 

IRQ11 for ISA bus only

Pins 3 & 4 closed