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SHARK II

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 Memory

256MB (EDO supported)

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

CONNECTIONS

Purpose

Location

Purpose

Location

IDE interface

J1

Speaker

J11

Floppy drive interface

J2

Chassis fan power

J13

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 connector

J8

External battery

J28

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 1.2MB/1.44MB

J19

Pins 1 & 2 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 closed

Open

512KB

Pins 3 & 5, 4 & 6 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

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