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HIPPO DCA2 486

OCEAN INFORMATION SYSTEMS, INC.

HIPPO DCA2 486

Processor

80486SX/SL80486SX/80487SX/CX486DX/80486DX/SL80486DX/ CX486DX2/AM486DX2/80486DX2/SL80486DX2/80486DX4/P24T

Processor Speed

25/33/50(internal)/66(internal)/75(internal)/100(internal)MHz

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

96MB

Maximum Video Memory

None

Cache

None

BIOS

AMI/MR

Dimensions

279mm x 215mm

I/O Options

32-bit VESA local bus slots (3)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Chassis fan power

JP2

Speaker

P4

Reset switch

P1

Power LED & keylock

P5

Turbo switch

P2

External battery

P8

Turbo LED

P3

32-bit VESA local bus slots

SL1 - SL3

Note: JP2 may not be present.

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Fan voltage select 12v

JP1

Pins 2 & 3 closed

 

Fan voltage select 5v

JP1

Pins 1 & 2 closed

»

Reserved for future use (CPU signal reset source)

JP5

Pins 1 & 2 closed

»

Reserved for future use (SL CPU select)

JP13

Pins 2 & 3 closed

»

Reserved for future use (CPU multiplier 2.5x)

JP16

Open

»

Reserved for future use (CPU multiplier 2x)

JP17

Open

»

Reserved for future use (EPMI)

JP18

Open

»

CMOS memory normal operation

JP19

Pins 2 & 3 closed

 

CMOS memory clear

JP19

Pins 1 & 2 closed

»

Power good signal detect from power supply

JP20

Pins 1 & 2 closed

 

Power good signal detect from board

JP20

Pins 2 & 3 closed

»

Monitor type select color

JP21

Pins 1 & 2 closed

 

Monitor type select monochrome

JP21

Pins 2 & 3 closed

»

Reserved for future use (Cyrix voltage select 3.3v)

JP22

Open

»

Reserved for future use (Cyrix voltage select 3.6v)

JP23

Open

»

Reserved for future use (Cyrix voltage select 3.8v)

JP24

Open

»

Reserved for future use (Cyrix voltage select 4v)

JP25

Open

»

Reserved for future use (Intel/AMD CLKMUL)

JP26

Pins 1 & 2 closed

»

Reserved for future use (Intel/AMD voltage 3.45v/5v)

JP27

Closed

»

Reserved for future use (force voltage to 5v)

JP28

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

4MB

(1) 1M x 36

None

None

None

6MB

(1) 1M x 36

None

(1) 512K x 36

None

8MB

(1) 1M x 36

None

(1) 512K x 36

(1) 512K x 36

8MB

(1) 1M x 36

(1) 1M x 36

None

None

8MB

(1) 2M x 36

None

None

None

12MB

(1) 1M x 36

None

(1) 2M x 36

None

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

None

12MB

(1) 1M x 36

(1) 2M x 36

None

None

12MB

(1) 2M x 36

None

(1) 1M x 36

None

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 1M x 36

(1) 1M x 36

(1) 2M x 36

None

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

16MB

(1) 2M x 36

None

(1) 1M x 36

(1) 1M x 36

16MB

(1) 2M x 36

None

(1) 2M x 36

None

16MB

(1) 2M x 36

(1) 2M x 36

None

None

16MB

(1) 4M x 36

None

None

None

20MB

(1) 1M x 36

None

(1) 2M x 36

(1) 2M x 36

20MB

(1) 1M x 36

(1) 2M x 36

(1) 2M x 36

None

24MB

(1) 1M x 36

(1) 1M x 36

(1) 2M x 36

(1) 2M x 36

24MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

None

24MB

(1) 2M x 36

None

(1) 2M x 36

(1) 2M x 36

24MB

(1) 2M x 36

None

(1) 4M x 36

None

24MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

None

24MB

(1) 4M x 36

None

(1) 2M x 36

None

28MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

(1) 1M x 36

28MB

(1) 2M x 36

None

(1) 4M x 36

(1) 1M x 36

32MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

32MB

(1) 2M x 36

(1) 2M x 36

(1) 4M x 36

None

32MB

(1) 4M x 36

None

(1) 2M x 36

(1) 2M x 36

32MB

(1) 4M x 36

None

(1) 4M x 36

None

32MB

(1) 4M x 36

(1) 4M x 36

None

None

40MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

40MB

(1) 1M x 36

(1) 1M x 36

(1) 8M x 36

None

40MB

(1) 2M x 36

None

(1) 4M x 36

(1) 4M x 36

40MB

(1) 2M x 36

None

(1) 8M x 36

None

48MB

(1) 2M x 36

(1) 2M x 36

(1) 4M x 36

(1) 4M x 36

48MB

(1) 2M x 36

(1) 2M x 36

(1) 8M x 36

None

48MB

(1) 4M x 36

None

(1) 4M x 36

(1) 4M x 36

48MB

(1) 4M x 36

None

(1) 8M x 36

None

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

None

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

(1) 4M x 36

(1) 4M x 36

(1) 8M x 36

None

72MB

(1) 1M x 36

(1) 1M x 36

(1) 8M x 36

(1) 8M x 36

72MB

(1) 2M x 36

None

(1) 8M x 36

(1) 8M x 36

80MB

(1) 2M x 36

(1) 2M x 36

(1) 8M x 36

(1) 8M x 36

80MB

(1) 4M x 36

None

(1) 8M x 36

(1) 8M x 36

96MB

(1) 4M x 36

(1) 4M x 36

(1) 8M x 36

(1) 8M x 36

Note: Banks 0 & 1 only accept Dynamicache modules.

CPU SPEED SELECTION

Speed

JP3

JP4

25MHz

Pins 1 & 2 closed

Pins 1 & 2 closed

33MHz

Pins 2 & 3 closed

Pins 2 & 3 closed

50iMHz

Pins 1 & 2 closed

Pins 1 & 2 closed

66iMHz

Pins 2 & 3 closed

Pins 2 & 3 closed

75iMHz

Pins 1 & 2 closed

Pins 1 & 2 closed

100iMHz

Pins 2 & 3 closed

Pins 2 & 3 closed

CPU TYPE SELECTION

Type

JP6

JP7

JP8

JP10

JP14

JP15

80486SX

Open

Open

Open

2 & 3

2 & 3

2 & 3

SL80486SX

Open

Open

Open

2 & 3

2 & 3

2 & 3

80487SX

Open

Open

2 & 3

1 & 2, 3 & 4

2 & 3

2 & 3

CX486DX

Open

2 & 3

1 & 2

1 & 2, 3 & 4

2 & 3

2 & 3

80486DX

Open

Open

1 & 2

1 & 2, 3 & 4

2 & 3

2 & 3

SL80486DX

Open

Open

1 & 2

1 & 2, 3 & 4

2 & 3

2 & 3

CX486DX2

Open

1 & 2

1 & 2

1 & 2, 3 & 4

2 & 3

2 & 3

AM486DX2

Open

Open

1 & 2

1 & 2, 3 & 4

2 & 3

2 & 3

80486DX2

Open

Open

1 & 2

1 & 2, 3 & 4

2 & 3

2 & 3

SL80486DX2

Open

Open

1 & 2

1 & 2, 3 & 4

2 & 3

2 & 3

80486DX4

Open

Open

1 & 2

1 & 2, 3 & 4

2 & 3

2 & 3

P24T

Open

Open

1 & 2

1 & 2, 3 & 4

2 & 3

2 & 3

VL BUS WAIT STATE SELECTION

Setting

JP12

 

0

Pins 2 & 3 closed

»

1

Pins 1 & 2 closed

VL BUS SPEED SELECTION

Setting

JP11

»

<= 33MHz

Pins 2 & 3 closed

 

>33 MHz

Pins 1 & 2 closed

VL BUS SELECTION

Setting

JP9

JW1

»

Synchronous

Open

Pins 2 & 3 closed

 

Nonsynchronous

Pins 2 & 3 closed

Pins 1 & 2 closed

MISCELLANEOUS TECHNICAL NOTE

The location of pin 1 on all jumpers is unidentified.