IPC CORPORATION, LTD.

IPC DYNASTY LE/IPC HOMEMAGIC (MB486LE#51)

Processor

80486SX/ODP486SX/80487SX/ODP486DX/80486DX/80486DX2/Pentium Overdrive

Processor Speed

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

Chip Set

UMC

Max. Onboard DRAM

32MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

Floppy drive interface, IDE interface, parallel port, serial ports (2), riser slot

NPU Options

4167 (location unidentified)

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 2

J1

Turbo LED

J10

Serial port 1

J2

Reset switch

J11

Parallel port

J3

IDE interface LED

JP20

IDE interface

J5

Power on connector

JP45

Floppy drive interface

J7

Turbo switch

JP46

External battery

J8

Riser Card

SL1

Speaker

J9

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

IDE interface enabled

JP5

Closed

 

IDE interface disabled

JP5

Open

»

Floppy drive interface enabled

JP6

pins 2 & 3 closed

 

Floppy drive interface disabled

JP6

pins 1 & 2 closed

»

Floppy drive pre comp mode select normal

JP21

Open

 

Floppy drive pre comp mode select alternate

JP21

Closed

»

Floppy drive type select single speed spindle

JP22

Open

 

Floppy drive type select dual speed spindle

JP22

Closed

»

Monitor type select color

JP23

Closed

 

Monitor type select monochrome

JP23

Open

»

Battery type select internal

JP24

Closed

 

Battery type select external

JP24

Open

»

Power good signal detect from board

JP25

pins 1 & 2 closed

 

Power good signal detect from power supply

JP25

pins 2 & 3 closed

»

Factory configured - do not alter

JP27

N/A

»

Factory configured - do not alter

JP33

Open

»

Weitek not installed

JP35

pins 1 & 2 closed

 

Weitek installed

JP35

pins 2 & 3 closed

»

Factory configured - do not alter

JP47

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

4MB

(4) 1M x 9

NONE

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

128KB

(4) 32K x 8

NONE

(1) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP36

JP37

JP39

JP40

JP41

JP42

JP43

JP44

64KB

1 & 2

1 & 2

Open

1 & 2

Open

Open

Open

Open

128KB

2 & 3

1 & 2

1 & 2

2 & 3

Closed

Closed

Open

Open

256KB

2 & 3

2 & 3

2 & 3

1 & 2

Closed

Closed

Closed

Closed

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JP26

JP28

JP30

JP31

JP32

80486SX (PQFP)

1 & 2

Open

1 & 2

Open

1 & 2, 3 & 4

80486SX (PGA)

2 & 3

Open

Open

Open

2 & 3

ODP486SX

1 & 2

Open

1 & 2

Open

1 & 2, 3 & 4

80487SX

1 & 2

Open

1 & 2

Open

1 & 2, 3 & 4

ODP486DX

2 & 3

Open

2 & 3

Open

1 & 2, 3 & 4

80486DX (PQFP)

1 & 2

Closed

1 & 2

Closed

Open

80486DX (PGA)

2 & 3

Open

2 & 3

Open

1 & 2, 3 & 4

80486DX2

2 & 3

Open

2 & 3

Open

1 & 2, 3 & 4

Pentium Overdrive

1 & 2

Open

1 & 2

Open

1 & 2, 3 & 4

Note: Pins designated should be in the closed position.

PARALLEL PORT CONFIGURATION

Setting

JP1

JP4

JP29

»

LPT2

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

»

LPT1

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

»

LPT3

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

»

Disabled

pins 2 & 3 closed

pins 2 & 3 closed

Open

SERIAL PORT CONFIGURATION

Setting

JP2

JP3

JP7

COM1 & COM2 enabled

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

COM1 disabled & COM2 enabled

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

COM1 enabled & COM2 disabled

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

COM1 & COM2 disabled

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed