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HIPPO IV 486 Motherboard Settings and Configuration






OCEAN INFORMATION SYSTEMS, INC.

HIPPO IV 486

Processor

80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive

Processor Speed

25/33/50(internal)/66(internal)MHz

Chip Set

Unidentified

Max. Onboard DRAM

128MB

Cache

None

BIOS

Unidentified

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slot (location unidentified)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

VGA feature connector

JP4

Turbo switch

P4

Reset switch

P1

Power LED & keylock

P5

Speaker

P2

External battery

P8

Turbo LED

P3

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

On board VGA disabled

JP2

pins 1 & 2 closed

 

On board VGA enabled

JP2

pins 2 & 3 closed

Video type select auto detect

JP3

pins 1 & 2 closed

 

Video type select monochrome

JP3

pins 2 & 3 closed

 

Video type select color

JP3

Open

Monitor type select CGA/EGA/VGA

JP5

Closed

 

Monitor type select monochrome

JP5

Open

CMOS memory normal operation

JP6

Open

 

CMOS memory clear

JP6

Closed

Factory configured - do not alter

JP9

N/A

Factory configured - do not alter

JP10

N/A

Factory configured - do not alter

JP11

N/A

Factory configured - do not alter

JP14

N/A

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

NONE

2MB

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

5MB

(4) 256K x 9

(4) 1M x 9

5MB

(4) 1M x 9

(4) 256K x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

17MB

(4) 256K x 9

(4) 4M x 9

17MB

(4) 4M x 9

(4) 256K x 9

20MB

(4) 1M x 9

(4) 4M x 9

20MB

(4) 4M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

64MB

(4) 16M x 9

NONE

65MB

(4) 256K x 9

(4) 16M x 9

65MB

(4) 16M x 9

(4) 256K x 9

68MB

(4) 1M x 9

(4) 16M x 9

68MB

(4) 16M x 9

(4) 1M x 9

80MB

(4) 4M x 9

(4) 16M x 9

80MB

(4) 16M x 9

(4) 4M x 9

128MB

(4) 16M x 9

(4) 16M x 9

CPU TYPE CONFIGURATION

Type

JP1

80486SX

pins 1 & 2 closed

80487SX

pins 3 & 4 closed

80486DX

pins 3 & 4 closed

80486DX2

pins 3 & 4 closed

Pentium Overdrive

pins 3 & 4 closed

CPU SPEED CONFIGURATION

Speed

JP12

JP13

25MHz

pins 2 & 3 closed

pins 1 & 2 closed

33MHz

pins 1 & 2 closed

pins 2 & 3 closed

50iMHz

pins 2 & 3 closed

pins 1 & 2 closed

66iMHz

pins 1 & 2 closed

pins 2 & 3 closed

VIDEO MEMORY CONFIGURATION

Size

Bank 0

Bank 1

256KB

(4) 41256

NONE

512KB

(4) 41256

(4) 41256

1MB

(4) 411000

NONE

VIDEO JUMPER CONFIGURATION

Size

JP7

JP8

256KB

Open

Open

512KB

Open

Closed

1MB

Closed

Open








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