HwMuseum | Index

EDOM INTERNATIONAL CORPORATION

486PIG (MP042)

Processor

80486SX/CX486M7/UMC U5S/80486DX/80486DX2/80486DX4/P24D/ Pentium Overdrive

Processor Speed

25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz

Chip Set

OPTI

Max. Onboard DRAM

128MB

Cache

128/512KB

BIOS

Award

Dimensions

220mm x 190mm

I/O Options

32-bit PCI slots (4), green PC connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J2

Turbo switch

JP40

Power LED & keylock

J9

Speaker

JP41

Green PC connector

JP3

32-bit PCI slots

PC1 - PC4

Green PC LED

JP38

Reset switch

S1

Turbo LED

JP39

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CMOS memory normal operation

JP1

pins 2 & 3 closed

 

CMOS memory clear

JP1

pins 1 & 2 closed

»

CPU write type select write back

JP17

pins 1 & 2 closed

 

CPU write type select write through

JP17

pins 2 & 3 closed

»

CPU clock speed >33MHz

JP27

pins 2 & 3 closed

 

CPU clock speed =<33MHz

JP27

pins 3 & 4 closed

»

PCI asynchronous with CPU

JP33

pins 1 & 2 closed

 

PCI synchronous with CPU

JP33

pins 2 & 3 closed

»

Factory configured - do not alter

JP37

N/A

DRAM CONFIGURATION

Size

Bank 0

Bank 1

2MB

(1) 512K x 36

NONE

4MB

(1) 1M x 36

NONE

4MB

(1) 512K x 36

(1) 512K x 36

8MB

(1) 1M x 36

(1) 1M x 36

8MB

(1) 2M x 36

NONE

12MB

(1) 1M x 36

(1) 2M x 36

16MB

(1) 4M x 36

NONE

16MB

(1) 2M x 36

(1) 2M x 36

20MB

(1) 1M x 36

(1) 4M x 36

32MB

(1) 4M x 36

(1) 4M x 36

64MB

(1) 16M x 36

NONE

128MB

(1) 16M x 36

(1) 16M x 36

CACHE CONFIGURATION

Size

Bank 0

TAG

128KB

(4) 32K x 8

(1) 8K x 8

512KB

(4) 128K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP13

JP19

JP22

128KB

pins 2 & 3 closed

Open

Open

512KB

pins 1 & 2 closed

Closed

Closed

CPU TYPE CONFIGURATION

Type

JP14

JP15

JP21

JP23

80486SX

pins 1 & 2 closed

Open

Open

Open

CX486M7

pins 1 & 2 closed

pins 1 & 2 closed

Closed

Closed

UMC U5S

pins 1 & 2 closed

Open

Open

Open

80486DX

pins 1 & 2 closed

Open

Open

Open

80486DX2

pins 1 & 2 closed

Open

Open

Open

80486DX4

pins 1 & 2 closed

Open

Open

Open

P24D

pins 1 & 2 closed

pins 2 & 3 closed

Closed

Open

Pentium Overdrive

pins 2 & 3 closed

Open

Open

Open

CPU TYPE CONFIGURATION

Type

JP24

JP25

JP26

JP29

80486SX

Open

Open

pins 2 & 3 closed

Open

CX486M7

Open

Open

pins 1 & 2, 3 & 4 closed

Open

UMC U5S

pins 1 & 2 closed

Open

pins 1 & 2, 3 & 4 closed

Open

80486DX

pins 1 & 2 closed

Open

pins 1 & 2, 3 & 4 closed

Open

80486DX2

pins 1 & 2 closed

Open

pins 1 & 2, 3 & 4 closed

Open

80486DX4

pins 1 & 2 closed

Open

pins 1 & 2, 3 & 4 closed

Open

P24D

pins 1 & 2 closed

Closed

pins 1 & 2, 3 & 4 closed

Open

Pentium Overdrive

pins 1 & 2 closed

Open

pins 1 & 2, 3 & 4 closed

Open

CPU TYPE CONFIGURATION

Type

JP6

JP10

JP18

JP28

Cyrix

N/A

N/A

pins 2 & 3 closed

N/A

SL-enhanced

Closed

Closed

pins 1 & 2 closed

Closed

Non SL-enhanced

Open

Open

Open

Open

CPU SPEED CONFIGURATION

Speed

JP31

JP32

25MHz

Open

Open

33MHz

Closed

Closed

40MHz

Open

Closed

50iMHz

Open

Open

50MHz

Closed

Open

66iMHz

Closed

Closed

75iMHz

Open

Open

100iMHz

Closed

Closed

CPU SPEED CONFIGURATION (80486DX4 ONLY)

Speed

JP16

2x

pins 1 & 2 closed

2.5x

pins 2 & 3 closed

3x

Open

CPU VOLTAGE CONFIGURATION

Voltage

JP30

3.45v

pins 3 & 5, 4 & 6 closed

5v

pins 1 & 3, 2 & 4 closed

PCI TRIGGER CONFIGURATION

Setting

JP4

JP5

Edge trigger

pins 1 & 2, 3 & 4 closed

pins 1 & 2, 3 & 4 closed

Level trigger

pins 2 & 3 closed

pins 2 & 3 closed