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BISON III REV. 1.0

OCEAN INFORMATION SYSTEMS, INC.

BISON III REV. 1.0

Processor

Pentium

Processor Speed

60/66MHz

Chip Set

OPTI

Max. Onboard DRAM

128MB

Cache

64/128/256/512KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit PCI bus slots (3), 2-bit VESA local bus slots (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J1

Speaker

JP1

32-bit VESA Local bus slots

J2, J3

Turbo switch

JP2

External battery

J12

Reset switch

JP3

32-bit PCI bus slots

JA1, JA2, JA3

Cooling fan connector

JP12

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

 

CPU clock speed select 60MHz

JP4

pins 1 & 2 closed

 

CPU clock speed select 66MHz

JP4

pins 2 & 3 closed

Factory configured - do not alter

JP5

N/A

Factory configured - do not alter

JP6

N/A

Factory configured - do not alter

JP8

N/A

Cooling fan power select 12Vdc

JP13

pins 1 & 2 closed

 

Cooling fan power select +5Vdc

JP13

pins 2 & 3 closed

Factory configured - do not alter

JP14

N/A

Monitor type select CGA, EGA, VGA

JP27

Closed

 

Monitor type select monochrome

JP27

Open

CMOS normal operation

JP28

pins 2 & 3 closed

 

CMOS memory reset

JP28

pins 1 & 2 closed

Power-good signal from power supply

JP29

pins 1 & 2 closed

 

On board power-good signal

JP29

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

2MB

(2) 256K x 32

NONE

4MB

(2) 256K x 32

(2) 256K x 32

4MB

(2) 512K x 32

NONE

6MB

(2) 256K x 32

(2) 512K x 32

8MB

(2) 512K x 32

(2) 512K x 32

8MB

(2) 1M x 32

NONE

10MB

(2) 256K x 32

(2) 1M x 32

12MB

(2) 512K x 32

(2) 1M x 32

16MB

(2) 1M x 32

(2) 1M x 32

16MB

(2) 2M x 32

NONE

18MB

(2) 256K x 32

(2) 2M x 32

20MB

(2) 512K x 32

(2) 2M x 32

24MB

(2) 1M x 32

(2) 2M x 32

32MB

(2) 2M x 32

(2) 2M x 32

32MB

(2) 2M x 32

(2) 2M x 32

32MB

(2) 4M x 32

NONE

34MB

(2) 256K x 32

(2) 4M x 32

36MB

(2) 512K x 32

(2) 4M x 32

40MB

(2) 1M x 32

(2) 4M x 32

48MB

(2) 2M x 32

(2) 4M x 32

48MB

(2) 2M x 32

(2) 4M x 32

64MB

(2) 4M x 32

(2) 4M x 32

64MB

(2) 8M x 32

NONE

66MB

(2) 256K x 32

(2) 8M x 32

68MB

(2) 512K x 32

(2) 8M x 32

72MB

(2) 1M x 32

(2) 8M x 32

80MB

(2) 2M x 32

(2) 8M x 32

80MB

(2) 2M x 32

(2) 8M x 32

96MB

(2) 4M x 32

(2) 8M x 32

128MB

(2) 8M x 32

(2) 8M x 32

CACHE CONFIGURATION

Size

Bank 0

Bank 1

U13

U14

64KB

(8) 8K x 8

NONE

NONE

(1) 8K x 8

128KB

(8) 8K x 8

(8) 8K x 8

NONE

(1) 8K x 8

256KB

(8) 32K x 8

NONE

NONE

(1) 8K x 8

512KB

(8) 32K x 8

(8) 32K x 8

(1) 8K x 8

(1) 8K x 8

CACHE JUMPER CONFIGURATION

Size

JP7

JP9

JP10

64KB

pins 1 & 2 closed

Open

Open

128KB

pins 2 & 3 closed

Closed

Open

256KB

pins 1 & 2 closed

Closed

Closed

512KB

pins 2 & 3 closed

Closed

Closed

CACHE JUMPER CONFIGURATION (CONTINUED)

Size

JP11

JP16

JP17

64KB

Open

pins 1 & 2 closed

pins 1 & 2 closed

128KB

Open

pins 2 & 3 closed

pins 2 & 3 closed

256KB

Open

pins 1 & 2 closed

pins 1 & 2 closed

512KB

Closed

pins 2 & 3 closed

pins 2 & 3 closed

VESA WAIT STATE CONFIGURATION

Wait states

JP15

1 wait state

Closed

0 wait states

Open

MISCELLANEOUS TECHNICAL NOTE

Note: The Bison III is shipped with 512KB of cache memory to insure optimum Pentium efficiency.