...because we can't all be on the bleeding edge...





MB-4DUPC

AQUARIUS SYSTEMS, INC.

MB-4DUPC

Processor

CX486S/80486SX/SL80486SX/CX486DX/AM486DX/UMCU5S/80486DX/ SL80486DX/CX486DX2/AM486DX2/80486DX2/SL80486DX2/AM486DX4/ 80486DX4/P24D/Pentium Overdrive/CXM1

Processor Speed

20/25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)/MHz

Chip Set

UMC

Max. Onboard DRAM

128MB

Cache

128/256/512KB

BIOS

Award

Dimensions

260mm x 220mm

I/O Options

32-bit PCI slots (3), floppy drive interface, game port, green PC connector, IDE interfaces (2), parallel port, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

CN1

Power LED & keylock

CN9

Serial port 2

CN2

Speaker

CN10

Floppy drive interface

CN3

IDE interface LED

D9

Parallel port

CN4

Green PC connector

JP9

Game interface

CN5

Turbo switch

JP44

IDE interface 2

CN6

Reset switch

JP45

IDE interface 1

CN7

Turbo LED

LED1

Serial port 1

CN8

32-bit PCI slots

PC1 - PC3

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

 

Flash BIOS voltage select 12v

JP3

pins 1 & 2 closed

 

Flash BIOS voltage select 5v

JP3

pins 2 & 3 closed

 

CMOS memory normal operation

JP6

pins 1 & 2 closed

 

CMOS memory clear

JP6

pins 3 & 4 closed

»

Factory configured - do not alter

JP28

Open

»

Factory configured - do not alter

JP29

Open

»

Factory configured - do not alter

JP31

Open

»

Factory configured - do not alter

JP37

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

2MB

(1) 512K x 36

NONE

NONE

NONE

4MB

(1) 512K x 36

(1) 512K x 36

NONE

NONE

4MB

(1) 1M x 36

NONE

NONE

NONE

8MB

(1) 512K x 36

(1) 512K x 36

(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

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

16MB

(1) 4M x 36

NONE

NONE

NONE

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

32MB

(1) 8M x 36

NONE

NONE

NONE

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

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) 8K x 8

256KB (A)

(4) 64K x 8

NONE

(1) 32K x 8

256KB (B)

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

512KB

(4) 128K x 8

NONE

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP24

JP25

JP26

128KB

Open

pins 1 & 2 closed

Open

256KB (A)

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

256KB (B)

pins 1 & 2 closed

pins 2 & 3 closed

Open

512KB

pins 1 & 2, 3 & 4 closed

pins 1 & 2 closed

pins 1 & 2, 3 & 4 closed

CPU TYPE CONFIGURATION

Type

JP10

JP27

JP30

JP32

JP34

CX486S

Open

Open

Open

1 & 2, 3 & 4

1 & 2

80486sx

Closed

Open

Open

Open

Open

SL80486SX

Open

Open

Open

2 & 3, 4 & 5

Open

CX486DX

Open

Open

3 & 4

1 & 2, 3 & 4

1 & 2

AM486DX

Closed

Open

3 & 4

Open

Open

UMC U5S

Closed

Open

1 & 2, 3 & 4

Open

Open

80486DX

Closed

Open

3 & 4

Open

Open

SL80486DX

Open

Open

3 & 4

2 & 3, 4 & 5

Open

CX486DX2

Open

Open

3 & 4

1 & 2, 3 & 4

1 & 2

AM486DX2

Closed

Open

3 & 4

Open

Open

80486DX2

Closed

Open

3 & 4

Open

Open

SL80486DX2

Open

Open

3 & 4

2 & 3, 4 & 5

Open

AM486DX4

Closed

Open

3 & 4

Open

Open

80486DX4

Open

Open

3 & 4

2 & 3, 4 & 5

Open

P24D

Open

Open

3 & 4

2 & 3, 4 & 5

Open

P24T

Open

Open

2 & 3

2 & 3, 4 & 5

2 & 3

CX M1

Open

Closed

3 & 4

2 & 3, 4 & 5

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)

Type

JP35

JP36

JP39

JP39

CX486S

2 & 3

2 & 3

1 & 2

1 & 2

80486sx

Open

Open

Open

Open

SL80486SX

Open

1 & 2

1 & 2

1 & 2

CX486DX

2 & 3

2 & 3

1 & 2

1 & 2

AM486DX

Open

Open

Open

Open

UMC U5S

Open

Open

2 & 3

2 & 3

80486DX

Open

Open

Open

Open

SL80486DX

Open

1 & 2

Open

Open

CX486DX2

2 & 3

2 & 3

1 & 2

1 & 2

AM486DX2

Open

Open

Open

Open

80486DX2

Open

Open

Open

Open

SL80486DX2

Open

1 & 2

Open

Open

AM486DX4

Open

Open

Open

Open

80486DX4

Open

1 & 2

Open

Open

P24D

Open

1 & 2

1 & 2

1 & 2

P24T

1 & 2

1 & 2

Open

Open

CX M1

2 & 3

1 & 2

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JP39

JP40

JP41

JP42

CX486S

1 & 2

3 & 4

1 & 2

2 & 3

80486sx

Open

1 & 2

Open

2 & 3

SL80486SX

1 & 2

3 & 4

Open

2 & 3

CX486DX

1 & 2

3 & 4

2 & 3

1 & 2, 3 & 4

AM486DX

Open

1 & 2

Open

1 & 2, 3 & 4

UMC U5S

2 & 3

1 & 2

3 & 4

2 & 3

80486DX

Open

1 & 2

Open

1 & 2, 3 & 4

SL80486DX

1 & 2

3 & 4

Open

1 & 2, 3 & 4

CX486DX2

1 & 2

3 & 4

2 & 3

1 & 2, 3 & 4

AM486DX2

Open

1 & 2

Open

1 & 2, 3 & 4

80486DX2

Open

1 & 2

Open

1 & 2, 3 & 4

SL80486DX2

1 & 2

3 & 4

Open

1 & 2, 3 & 4

AM486DX4

Open

1 & 2

Open

1 & 2, 3 & 4

80486DX4

1 & 2

3 & 4

Open

1 & 2, 3 & 4

P24D

1 & 2

3 & 4

Open

1 & 2, 3 & 4

P24T

1 & 2

3 & 4, 5 & 6

2 & 3

1 & 2, 3 & 4

CX M1

1 & 2

3 & 4

Open

1 & 2, 3 & 4

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JP22

JP23

Cyrix

pins 2 & 3 closed

pins 1 & 2 closed

AMD

pins 1 & 2 closed

pins 2 & 3 closed

UMC

pins 1 & 2 closed

pins 2 & 3 closed

Intel

pins 1 & 2 closed

pins 1 & 2 closed

CPU SPEED CONFIGURATION

Speed

JP5

JP7

JP8

20MHz

Open

Open

Open

25MHz

Open

Open

Closed

33MHz

Closed

Closed

Closed

40MHz

Open

Closed

Closed

50iMHz

Open

Open

Closed

50MHz

Closed

Open

Open

66iMHz

Closed

Closed

Closed

75iMHz

Open

Open

Closed

100iMHz

Closed

Closed

Closed

CPU SPEED CONFIGURATION (80486DX4 ONLY)

Speed

JP33

2x

pins 2 & 3 closed

2.5x

pins 1 & 2 closed

3x

Open

CPU CONFIGURATION

Type

JP38

P24D write through

pins 1 & 2 closed

P24D write back

pins 2 & 3 closed

AMD CPU 2x

pins 1 & 2 closed

AMD CPU 3x

Open

Other CPU types

Open

CPU VOLTAGE CONFIGURATION

Voltage

JP18

JP19

JP20

JP49

JP50

JP51

jp53

3.3v

1 & 2

1 & 2

1 & 2

Open

Open

Open

Closed

3.45v

1 & 2

1 & 2

1 & 2

Closed

Open

Open

Open

3.6v

1 & 2

1 & 2

1 & 2

Open

Closed

Open

Open

4v

1 & 2

1 & 2

1 & 2

Open

Open

Closed

Open

5v

2 & 3

2 & 3

2 & 3

Open

Open

Open

Open

Note: Pins designated should be in the closed position.

DMA CONFIGURATION

DMA

JP47

JP48

DMA 1

pins 1 & 2 closed

pins 1 & 2 closed

DMA 3

pins 2 & 3 closed

pins 2 & 3 closed