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MB-4DUVC MODEL 2

AQUARIUS SYSTEMS, INC.

MB-4DUVC MODEL 2

Processor

CX486S/80486SX/SL80486SX/80486SX2/SL80486SX2/CX486DX/AM486DX/ 80486DX/SL80486DX/UMCU5S/CX486DX2/AM486DX2/(SL)AM486DX2/ (SL)AM486DXL2/SL80486DX2/P24D/AM486DX4/(SL)am486dxl4/80486DX4/ Pentium Overdrive/CXM1

Processor Speed

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

Chip Set

UMC

Max. Onboard DRAM

64MB

Cache

64/128/256KB

BIOS

Award

Dimensions

250mm x 220mm

I/O Options

32-bit VESA local bus slots (3), green PC connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo LED

D1

Turbo switch

JP27

External battery

JP1

Speaker

JP28

Green PC connector

JP25

Power LED & keylock

JP29

Reset switch

JP26

32-bit VESA local bus slots

SL1 - SL3

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

 

Battery type select internal

JP1

pins 2 & 3 closed

 

Battery type select external

JP1

Closed

 

CMOS memory clear

JP1

pins 3 & 4 closed

 

Flash BIOS voltage select 5v

JP2

pins 1 & 2 closed

 

Flash BIOS voltage select 12v

JP2

pins 2 & 3 closed

 

Keyboard controller IC U2 not installed

JP3

Closed

 

Keyboard controller IC U2 installed

JP3

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

2MB

(1) 256K x 36

(1) 256K x 36

NONE

NONE

2MB

(1) 512K x 36

NONE

NONE

NONE

3MB

(1) 512K x 36

(1) 256K x 36

NONE

NONE

4MB

(1) 1M x 36

NONE

NONE

NONE

4MB

(1) 512K x 36

(1) 512K x 36

NONE

NONE

4MB

(1) 512K x 36

(1) 256K x 36

NONE

(1) 256K x 36

5MB

(1) 1M x 36

(1) 256K x 36

NONE

NONE

6MB

(1) 512K x 36

(1) 1M x 36

NONE

NONE

8MB

(1) 2M x 36

NONE

NONE

NONE

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

9MB

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

NONE

10MB

(1) 1M x 36

(1) 512K x 36

(1) 1M x 36

NONE

10MB

(1) 2M x 36

(1) 512K x 36

NONE

NONE

10MB

(1) 256K x 36

(1) 2M x 36

(1) 256K x 36

NONE

12MB

(1) 2M x 36

(1) 1M x 36

NONE

NONE

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

16MB

(1) 2M x 36

(1) 2M x 36

NONE

NONE

16MB

(1) 2M x 36

(1) 1M x 36

NONE

(1) 1M x 36

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

17MB

(1) 256K x 36

NONE

(1) 4M x 36

NONE

18MB

(1) 256K x 36

(1) 4M x 36

(1) 256K x 36

NONE

18MB

(1) 512K x 36

(1) 4M x 36

NONE

NONE

19MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

(1) 4M x 36

20MB

(1) 1M x 36

(1) 4M x 36

NONE

NONE

22MB

(1) 512K x 36

(1) 4M x 36

NONE

(1) 1M x 36

24MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

NONE

24MB

(1) 2M x 36

(1) 4M x 36

NONE

NONE

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

32MB

(1) 8M x 36

NONE

NONE

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

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 (A)

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

256KB (B)

(4) 64K x 8

NONE

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP7

JP8

JP9

JP10

64KB

Open

Open

Open

2 & 3

128KB

Open

Closed

1 & 2

1 & 2

256KB (A)

Closed

Closed

2 & 3

2 & 3

256KB (B)

Closed

Closed

1 & 2, 3 & 4

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JP11

JP12

JP13

CX486S

1 & 2, 3 & 4

1 & 2, 3 & 4, 5 & 6

2 & 3

80486SX

Open

2 & 3

2 & 3

SL80486SX

1 & 2

1 & 2

2 & 3

80486SX2

Open

2 & 3

2 & 3

SL80486SX2

1 & 2

1 & 2

2 & 3

CX486DX

1 & 2, 3 & 4

1 & 2, 3 & 4, 5 & 6

1 & 2, 3 & 4

AM486DX

Open

2 & 3

1 & 2, 3 & 4

80486DX

Open

2 & 3

1 & 2, 3 & 4

SL80486DX

1 & 2

1 & 2

1 & 2, 3 & 4

UMC U5S

2 & 3

2 & 3

2 & 3

CX486DX2

1 & 2, 3 & 4

1 & 2, 3 & 4, 5 & 6

1 & 2, 3 & 4

AM486DX2

Open

2 & 3

1 & 2, 3 & 4

(SL)AM486DX2

Open

2 & 3

1 & 2, 3 & 4

(SL)AM486DXL2

2 & 3

2 & 3

1 & 2, 3 & 4

SL80486DX2

1 & 2

1 & 2

1 & 2, 3 & 4

P24D

1 & 2, 4 & 5

1 & 2, 4 & 5

1 & 2, 3 & 4

AM486DX4 (2x)

Open

2 & 3

1 & 2, 3 & 4

AM486DX4 (3x)

Open

2 & 3

1 & 2, 3 & 4

(SL)AM486DXL4 (2x)

2 & 3

2 & 3

1 & 2, 3 & 4

(SL)AM486DXL4 (3x)

2 & 3

2 & 3

1 & 2, 3 & 4

80486DX4

1 & 2

1 & 2

1 & 2, 3 & 4

Pentium Overdrive

1 & 2

1 & 2

1 & 2, 3 & 4

CX M1

1 & 2, 4 & 5

1 & 2, 3 & 4

1 & 2, 3 & 4

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CONíT)

Type

JP17

JP18

JP19

JP35

CX486S

Open

2 & 3, 4 & 5

2 & 3, 4 & 5

Open

80486SX

Open

Open

Open

Open

SL80486SX

Open

5 & 6

1 & 2, 3 & 4

Open

80486SX2

Open

Open

Open

Open

SL80486SX2

Open

5 & 6

1 & 2, 3 & 4

Open

CX486DX

1 & 2

2 & 3, 4 & 5

2 & 3

Open

AM486DX

1 & 2

Open

Open

Open

80486DX

1 & 2

Open

Open

Open

SL80486DX

1 & 2

5 & 6

1 & 2, 3 & 4

Open

UMC U5S

3 & 4

1 & 2

Open

Open

CX486DX2

1 & 2

2 & 3, 4 & 5

2 & 3

Open

AM486DX2

1 & 2

Open

Open

Open

(SL)AM486DX2

1 & 2

Open

Open

Closed

(SL)AM486DXL2

1 & 2, 3 & 4

1 & 2

Open

Open

SL80486DX2

1 & 2

5 & 6

1 & 2, 3 & 4

Open

P24D

1 & 2

3 & 4, 5 & 6

1 & 2, 3 & 4

Open

AM486DX4 (2x)

1 & 2

Open

Open

Closed

AM486DX4 (3x)

1 & 2

Open

Open

Open

(SL)AM486DXL4 (2x)

1 & 2, 3 & 4

1 & 2

Open

Closed

(SL)AM486DXL4 (3x)

1 & 2, 3 & 4

1 & 2

Open

Open

80486DX4

1 & 2

5 & 6

1 & 2, 3 & 4

Open

Pentium Overdrive

2 & 3

5 & 6

1 & 2, 3 & 4

Open

CX M1

1 & 2

3 & 4, 5 & 6

1 & 2, 3 & 4

Open

Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION

Speed

JP4

JP5

JP6

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 (CX M1 & DX4 ONLY)

Speed

JP20

CX M1

pins 4 & 5 closed

Intel CPU 2x

pins 2 & 3 closed

CX CPU 2x

pins 2 & 3, 4 & 5 closed

Intel CPU 2.5x

pins 1 & 2 closed

Intel CPU 3x

Open

CPU VOLTAGE CONFIGURATION

Voltage

JP14

JP15

JP16

JP23

JP32

JP33

JP34

3.3v

1 & 2

1 & 2

1 & 2

Open

Closed

Open

Open

3.45v

1 & 2

1 & 2

1 & 2

Closed

Open

Open

Open

3.6v

1 & 2

1 & 2

1 & 2

Open

Open

Closed

Open

4v

1 & 2

1 & 2

1 & 2

Open

Open

Open

Closed

5v

2 & 3

2 & 3

2 & 3

Open

Open

Open

Open

Note: Pins designated should be in the closed position.

VL BUS WAIT STATE CONFIGURATION

Wait states

JP22

0 wait states

Open

1 wait state

Closed

VL BUS SPEED CONFIGURATION

CPU speed

JP21

<= 33MHz

Open

> 33MHz

Closed