I-BUS

SHARK

Processor

Pentium

Processor Speed

90/100MHz

Chip Set

OPTI

Max. Onboard DRAM

128MB

Cache

256/512KB

BIOS

Unidentified

Dimensions

300mm x 89mm

I/O Options

Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

IDE interface LED

J1

Serial port 2

J6

IDE interface

J2

Auxiliary keyboard connector

J9

Floppy drive interface

J3

Speaker

J10

Parallel port

J4

32-bit system memory card

J13

Serial port 1

J5

PS/2 mouse port

J20

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Floppy drive type select 1.44MB

J8

pins 1 & 2 closed

 

Floppy drive type select 2.88MB

J8

pins 3 & 4, 5 & 6 closed

»

IDE IRQ14 enabled

J11

Closed

 

IDE IRQ14 disabled

J11

Open

»

Password enabled

J12

Closed

 

Password disabled

J12

Open

»

Mouse IRQ12 enabled

J14

Closed

 

Mouse IRQ12 disabled

J14

Open

»

CPU normal operation

J16

Open

 

CPU stop clock enabled

J16

Closed

»

Cache invalidate select always invalidated

J17

pins 2 & 3 closed

 

Cache invalidate select invalidate on write only

J17

pins 1 & 2 closed

»

CMOS memory normal operation

J19

pins 2 & 3 closed

 

CMOS memory clear

J19

pins 1 & 2 closed

 

On board battery disabled

J19

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1M x 36

NONE

16MB

(2) 1M x 36

(2) 1M x 36

16MB

(2) 2M x 36

NONE

24MB

(2) 2M x 36

(2) 1M x 36

32MB

(2) 2M x 36

(2) 2M x 36

32MB

(2) 4M x 36

NONE

40MB

(2) 4M x 36

(2) 1M x 36

48MB

(2) 4M x 36

(2) 2M x 36

64MB

(2) 4M x 36

(2) 4M x 36

64MB

(2) 8M x 36

NONE

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

CACHE CONFIGURATION

Size

Bank 0

Bank 1

256KB

(4) 32K x 8

(4) 32K x 8

512KB

(4) 64K x 8

(4) 64K x 8

Note: Board will be factory installed with either 256KB or 512KB cache

CACHE JUMPER CONFIGURATION

Size

J7

J21

256KB

pins 3 & 5, 4 & 6 closed

Open

512KB

pins 1 & 3, 2 & 4 closed

pins 1 & 2 closed

CPU SPEED CONFIGURATION

Speed

Clock speed

J24

90MHz

1.5x

pins 1 & 2, 3 & 4 closed

100MHz

1.5x

pins 3 & 4 closed

100MHz

2x

Open

CPU SPEED CONFIGURATION

Speed

J15

1.5x

Open

2x

Closed

DMA CONFIGURATION

DMA

J23

DMA 1

pins 3 & 4, 7 & 8 closed

DMA 3

pins 1 & 2, 5 & 6 closed