OCEAN INFORMATION SYSTEMS, INC.

HIPPO III 486

Processor

80486SX/80487SX/80486DX

Processor Speed

20/25/33/40/50(internal)MHz

Chip Set

OPTI

Max. Onboard DRAM

64MB (32MB on memory board)

Cache

64/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit external memory card

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

P1

Power LED & keylock

P5

Speaker

P2

External battery

P8

Turbo switch

P3

32-bit external memory card

SL1

Turbo LED

P4

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

I/O bus speed select /4

JP5

pins 2 & 3 closed

 

I/O bus speed select /6

JP5

pins 1 & 2 closed

»

Factory configured - do not alter

JP6

pins 1 & 2 closed

»

Monitor type select monochrome

JP9

pins 2 & 3 closed

 

Monitor type select CGA/EGA/VGA

JP9

pins 1 & 2 closed

»

CMOS memory normal operation

JP10

pins 1 & 2 closed

 

CMOS memory clear

JP10

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(4) 256K x 9

NONE

NONE

NONE

2MB

(4) 256K x 9

(4) 256K x 9

NONE

NONE

4MB

(4) 1M x 9

NONE

NONE

NONE

5MB

(4) 256K x 9

(4) 1M x 9

NONE

NONE

6MB

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

NONE

8MB

(4) 1M x 9

(4) 1M x 9

NONE

NONE

9MB

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

NONE

10MB

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

12MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

NONE

13MB

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

16MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

NONE

NONE

20MB

(4) 4M x 9

(4) 1M x 9

NONE

NONE

20MB

(4) 1M x 9

(4) 4M x 9

NONE

NONE

24MB

(4) 1M x 9

(4) 1M x 9

(4) 4M x 9

NONE

24MB

(4) 1M x 9

(4) 4M x 9

(4) 1M x 9

NONE

24MB

(4) 4M x 9

(4) 1M x 9

(4) 1M x 9

NONE

28MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 4M x 9

28MB

(4) 1M x 9

(4) 4M x 9

(4) 1M x 9

(4) 1M x 9

28MB

(4) 4M x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

NONE

NONE

36MB

(4) 1M x 9

(4) 4M x 9

(4) 4M x 9

NONE

36MB

(4) 4M x 9

(4) 4M x 9

(4) 1M x 9

NONE

40MB

(4) 1M x 9

(4) 4M x 9

(4) 1M x 9

(4) 4M x 9

40MB

(4) 1M x 9

(4) 4M x 9

(4) 4M x 9

(4) 1M x 9

40MB

(4) 4M x 9

(4) 1M x 9

(4) 1M x 9

(4) 4M x 9

40MB

(4) 4M x 9

(4) 4M x 9

(4) 1M x 9

(4) 1M x 9

48MB

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

NONE

52MB

(4) 1M x 9

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

52MB

(4) 4M x 9

(4) 1M x 9

(4) 4M x 9

(4) 4M x 9

52MB

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

(4) 1M x 9

64MB

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

Note: Banks 2 & 3 are located on the external memory card.

CACHE CONFIGURATION

Size

Bank 0

TAG (U21 & 22)

TAG (U23)

64KB

(8) 8K x 8

(1) 64K x 1

(1) 64K x 1

256KB

(8) 32K x 8

(1) 64K x 1

(1) 64K x 1

CACHE JUMPER CONFIGURATION

Size

JP2

JP7

JP8

64KB

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

256KB

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

CPU TYPE CONFIGURATION

Type

JP1

JP3

JP4

80486SX

N/A

pins 2 & 3 closed

pins 2 & 3 closed

80487SX

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

80486DX

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed