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JX30WB

MICRONICS COMPUTERS, INC.

JX30WB

Processor

SL80486SX/80486SX/80487SX/CX486M7/AM486DXL/SL80486DX/80486DX/ SL80486DX2/80486DX2/80486DX4/P24CT/P24D/Pentium Overdrive

Processor Speed

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

Chip Set

Micronics

Max. Onboard DRAM

128MB

Cache

128/256/512/1024KB

BIOS

Phoenix

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slots (2), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse interface

J1

IDE interface LED

J16

Auxiliary keyboard connector

J4

Speaker

J17

External battery

J9

Turbo switch

J18

Serial port 1

J10

Turbo LED

J19

Serial port 2

J11

Power LED & keylock

J20

Parallel port

J12

Reset switch

J21

IDE interface (primary)

J13

32-bit VESA local bus slots

SL1 & SL2

IDE interface (secondary)

J14

Green PC connector

W6

Floppy drive interface

J15

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Flash BIOS normal operation

W1

pins 2 & 3 closed

 

Flash BIOS recovery

W1

pins 1 & 2 closed

»

Monitor type select color

W2

Closed

 

Monitor type select monochrome

W2

Open

»

CMOS memory normal operation

W5

pins 1 & 2 closed

 

CMOS memory clear

W5

pins 2 & 3 closed

»

Primary IDE interface enabled

W7

pins 1 & 2 closed

 

Primary IDE interface disabled

W7

pins 2 & 3 closed

»

Parallel port IRQ select IRQ7

W8

pins 1 & 2 closed

 

Parallel port IRQ select IRQ5

W8

pins 2 & 3 closed

»

Factory configured - do not alter

W16

pins 2 & 3 closed

»

Factory configured - do not alter

W29

Open

»

Flash BIOS write protect enabled

W31

Closed

 

Flash BIOS write protect disabled

W31

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

4MB

(1) 1M x 36

NONE

NONE

NONE

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 2M x 36

(1) 2M x 36

NONE

NONE

24MB

(1) 2M x 36

(1) 2M x 36

(1) 1M 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) 4M x 36

(1) 4M x 36

NONE

NONE

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

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

(1) 8M x 36

(1) 8M x 36

NONE

NONE

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) 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

TAG

128KB

(4) 32K x 8

NONE

(1) 32K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

512KB

(4) 128K x 8

NONE

(1) 128K x 8

1MB

(4) 128K x 8

(4) 128K x 8

(1) 128K x 8

CACHE JUMPER CONFIGURATION

Size

W13

W14

W15

W17

W30

128KB

1 & 2

1 & 2

1 & 2

1 & 2, 3 & 4

Open

256KB

2 & 3

2 & 3

1 & 2

2 & 3, 4 & 5

Open

512KB

2 & 3

1 & 2

1 & 2

1 & 2, 3 & 4

1 & 2

1MB

2 & 3

2 & 3

2 & 3

2 & 3, 4 & 5

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

W11

W12

W18

W19

SL80486SX

2 & 3

Open

Open

2 & 3

80486SX

2 & 3

Open

Open

2 & 3

80487SX

2 & 3

1 & 2

Open

2 & 3

CX486M7 (3.3v)

1 & 2, 3 & 4

2 & 3

Open

2 & 3

CX486M7 (5v)

1 & 2, 3 & 4

2 & 3

Open

2 & 3

AM486DXL

1 & 2, 3 & 4

2 & 3

Open

2 & 3

SL80486DX

1 & 2, 3 & 4

2 & 3

Open

2 & 3

80486DX

1 & 2, 3 & 4

2 & 3

Open

2 & 3

SL80486DX2

1 & 2, 3 & 4

2 & 3

Open

2 & 3

80486DX2

1 & 2, 3 & 4

2 & 3

Open

2 & 3

80486DX4 (2x)

1 & 2, 3 & 4

2 & 3

2 & 3

2 & 3

80486DX4 (2.5x)

1 & 2, 3 & 4

2 & 3

1 & 2

2 & 3

80486DX4 (3x)

1 & 2, 3 & 4

2 & 3

Open

2 & 3

P24CT

1 & 2, 3 & 4

1 & 2

Open

1 & 2

P24D

1 & 2, 3 & 4

2 & 3

Open

1 & 2

P24T

1 & 2, 3 & 4

1 & 2

Open

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)

Type

W20

W21

W22

W23

W24

SL80486SX

2 & 3

Open

1 & 2

1 & 2

2 & 3

80486SX

2 & 3

Open

Open

1 & 2

2 & 3

80487SX

2 & 3

Open

Open

1 & 2

2 & 3

CX486M7 (3.3v)

1 & 2

Open

Open

2 & 3

1 & 2

CX486M7 (5v)

1 & 2

Open

Open

2 & 3

1 & 2

AM486DXL

2 & 3

Open

Open

2 & 3

1 & 2

SL80486DX

2 & 3

Open

1 & 2

1 & 2

2 & 3

80486DX

2 & 3

Open

Open

1 & 2

2 & 3

SL80486DX2

2 & 3

Open

1 & 2

1 & 2

2 & 3

80486DX2

2 & 3

Open

Open

1 & 2

2 & 3

80486DX4 (2x)

2 & 3

Open

Open

1 & 2

2 & 3

80486DX4 (2.5x)

2 & 3

Open

Open

1 & 2

2 & 3

80486DX4 (3x)

2 & 3

Open

Open

1 & 2

2 & 3

P24CT

2 & 3

Open

Open

1 & 2

1 & 2

P24D

2 & 3

1 & 2

2 & 3

1 & 2

1 & 2

P24T

2 & 3

Open

Open

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)

Type

W25

W26

W27

W28

SL80486SX

2 & 3

4 & 5

1 & 2, 3 & 4

3 & 4

80486SX

2 & 3

4 & 5

1 & 2, 3 & 4

3 & 4

80487SX

2 & 3

4 & 5

1 & 2, 3 & 4

3 & 4

CX486M7 (3.3v)

2 & 3

2 & 3

2 & 3

2 & 3

CX486M7 (5v)

2 & 3

2 & 3

2 & 3, 4 & 5

2 & 3

AM486DXL

2 & 3

4 & 5

1 & 2, 3 & 4

3 & 4

SL80486DX

2 & 3

4 & 5

1 & 2, 3 & 4

3 & 4

80486DX

2 & 3

4 & 5

1 & 2, 3 & 4

3 & 4

SL80486DX2

2 & 3

4 & 5

1 & 2, 3 & 4

3 & 4

80486DX2

2 & 3

4 & 5

1 & 2, 3 & 4

3 & 4

80486DX4 (2x)

2 & 3

4 & 5

1 & 2, 3 & 4

3 & 4

80486DX4 (2.5x)

2 & 3

4 & 5

1 & 2, 3 & 4

3 & 4

80486DX4 (3x)

2 & 3

4 & 5

1 & 2, 3 & 4

3 & 4

P24CT

1 & 2

1 & 2

1 & 2, 3 & 4

3 & 4

P24D

1 & 2

4 & 5

1 & 2

1 & 2, 3 & 4

P24T

1 & 2

1 & 2

1 & 2

3 & 4

Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION

Speed

W10

25MHz

Open

33MHz

Closed

50iMHz

Open

66iMHz

Closed

75iMHz

Open

100iMHz

Closed

DMA CONFIGURATION

DMA

W3

W4

Disabled

Open

Open

DMA1

pins 1 & 2 closed

pins 1 & 2 closed

DMA3

pins 2 & 3 closed

pins 2 & 3 closed