MICRONICS COMPUTERS, INC.

LPX30WB REV. 3A

Processor

80486SX/CX486DX/80486DX/AM486DXL/CX486DX2/80486DX2/SL80486DX2/80486DX4/Pentium Overdrive

Processor Speed

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

Chip Set

Micronics

Max. Onboard DRAM

128MB

Cache

128KB

BIOS

Phoenix

Dimensions

260mm x 218mm

I/O Options

Riser card slot, floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

VGA feature connector

CN1

Turbo switch

J18

PS/2 mouse port

J6

Turbo LED

J19

Serial port 1

J10

Power LED & keylock

J20

Serial port 2

J11

Reset switch

J21

Parallel port

J12

Power module connector

J22

IDE interface (primary)

J13

IDE interface LED

J23

IDE interface (secondary)

J14

VGA port

J31

Floppy drive interface

J15

Riser card slot

SL1 & SL2

Speaker

J17

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Factory configured - do not alter

J9

N/A

»

Factory configured - do not alter

W1

N/A

»

Monitor type select color

W2

Closed

 

Monitor type select monochrome

W2

Open

»

Flash BIOS normal mode

W4

Open

 

Flash BIOS programing mode

W4

Closed

»

CMOS memory normal operation

W5

pins 1 & 2 closed

 

CMOS memory clear

W5

pins 2 & 3 closed

»

VESA IDE controller enabled

W7

pins 1 & 2 closed

 

VESA IDE controller disabled

W7

pins 2 & 3 closed

»

IDE controller enabled

W8

pins 2 & 3 closed

 

IDE controller disabled

W8

pins 1 & 2 closed

»

Buzzer enabled

W31

Closed

 

Buzzer disabled

W31

Open

»

On-board VGA IRQ9 disabled

W35

Open

 

On-board VGA IRQ9 enabled

W35

Closed

»

Factory configured - do not alter

W40

N/A

»

Factory configured - do not alter

W41

N/A

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

4MB

(1) 1M x 36

NONE

NONE

NONE

8MB

(1) 2M x 36

NONE

NONE

NONE

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 4M x 36

NONE

NONE

NONE

16MB

(1) 2M x 36

(1) 2M x 36

NONE

NONE

24MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

NONE

24MB

(1) 2M x 36

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

32MB

(1) 8M x 36

NONE

NONE

NONE

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

32MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

40MB

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

48MB

(1) 4M x 36

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

NONE

64MB

(1) 8M x 36

(1) 8M x 36

NONE

NONE

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

72MB

(1) 8M x 36

(1) 8M x 36

(1) 1M x 36

(1) 1M x 36

80MB

(1) 8M x 36

(1) 8M x 36

(1) 2M x 36

(1) 2M x 36

96MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

NONE

96MB

(1) 8M x 36

(1) 8M x 36

(1) 4M x 36

(1) 4M x 36

128MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG0

TAG1

128KB

(4) 32K x 8

NONE

(1) 8K x 8

NONE

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

W13

W14

W15

W17

None

Open

Open

Open

Open

128KB

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

256KB

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

CPU TYPE CONFIGURATION

Type

W11

W12

W18

W19

W20

80486SX

2 & 3

Open

Open

2 & 3

Open

CX486DX

1 & 2, 3 & 4

3 & 4

Open

2 & 3

1 & 2

80486DX

1 & 2, 3 & 4

3 & 4

Open

2 & 3

Open

AM486DXL

1 & 2, 3 & 4

3 & 4

Open

2 & 3

Open

CX486DX2

1 & 2, 3 & 4

3 & 4

Open

2 & 3

1 & 2

80486DX2

1 & 2, 3 & 4

3 & 4

Open

2 & 3

2 & 3

80486DX2 (WB)

1 & 2, 3 & 4

3 & 4

Open

1 & 2

2 & 3

SL80486DX2

1 & 2, 3 & 4

3 & 4

Open

2 & 3

2 & 3

80486DX4

1 & 2, 3 & 4

3 & 4

Open

2 & 3

2 & 3

Pentium Overdrive

1 & 2, 3 & 4

3 & 4

Open

1 & 2

2 & 3

Note: Pins designated should be in closed position.

CPU TYPE CONFIGURATION (CON’T)

Type

W21

W22

W23

W24

80486SX

Open

Open

pins 1 & 2 closed

pins 2 & 3 closed

CX486DX

Open

Open

pins 2 & 3 closed

pins 1 & 2 closed

80486DX

Open

Open

pins 1 & 2 closed

pins 2 & 3 closed

AM486DXL

Open

Open

pins 1 & 2 closed

pins 2 & 3 closed

CX486DX2

Open

Open

2 & 3

pins 1 & 2 closed

80486DX2

Open

Open

pins 1 & 2 closed

pins 2 & 3 closed

80486DX2 (WB)

Closed

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

SL80486DX2

Open

Open

pins 1 & 2 closed

pins 2 & 3 closed

80486DX4

Open

Open

pins 1 & 2 closed

pins 2 & 3 closed

Pentium Overdrive

Open

Open

pins 1 & 2 closed

pins 1 & 2 closed

CPU TYPE CONFIGURATION

Type

W25

W26

W27

W28

80486SX

Open

Open

Open

Open

CX486DX

2 & 3

2 & 3

2 & 3

2 & 3

80486DX

Open

Open

Open

Open

AM486DXL

Open

Open

Open

Open

CX486DX2

2 & 3

2 & 3

2 & 3

2 & 3

80486DX2

Open

Open

Open

Open

80486DX2 (WB)

1 & 2

4 & 5

1 & 2

1 & 2, 3 & 4

SL80486DX2

Open

4 & 5

Open

3 & 4

80486DX4

Open

4 & 5

Open

3 & 4

Pentium Overdrive

1 & 2

1 & 2

1 & 2

3 & 4

CPU SPEED CONFIGURATION

Speed

W9

W10

25MHz

Open

Open

33MHz

Closed

Closed

40MHz

Open

Closed

50iMHz

Open

Open

66iMHz

Closed

Closed

75iMHz

Open

Open

100iMHz

Closed

Closed

IRQ CONFIGURATION

IRQ

W32

W33

IRQ14

pins 2 & 3 closed

pins 1 & 2 closed

IRQ15

pins 1 & 2 closed

pins 2 & 3 closed

VGA CONFIGURATION

VGA

W34

W39

Enabled

pins 2 & 3 closed

pins 2 & 3 closed

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

VRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

512MB

(1) 256K x 16

NONE

NONE

1MB

(1) 256K x 16

(1) 256K x 16

NONE

2MB

(1) 256K x 16

(1) 256K x 16

(1) 256K x 16