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





MB-1425UIV, MB-1433UIV, MB-1440UIV, MB-1450UIV (VER. 01)

BIOSTAR MICROTECH INTERNATIONAL, INC.

MB-1425UIV, MB-1433UIV, MB-1440UIV, MB-1450UIV (VER. 01)

Processor

CX486SXM6/80486SX/CX486M7/UMC486/AM486DXL/80486DX/ SL80486DX/80486DX/80486DX2/80486DX4/P24D/P24T

Processor Speed

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

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

64MB

Maximum Video Memory

None

Cache

64/128/256KB

BIOS

AMI/Award

Dimensions

250mm x 220mm

I/O Options

32-bit VESA local bus slots (3)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

JP8

Turbo switch

JP15 pins 14 & 15

Speaker

JP15 pins 1 - 4

+5v ground

JP15 pins 17 & 18

Power LED & keylock

JP15 pins 5 - 9

Green PC LED

JP24

Turbo LED

JP15 pins 10 & 11

Green PC connector

JP25

Reset switch

JP15 pins 12 & 13

32-bit VESA local bus slots

SL1 - SL3

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Battery type select external

JP8

Closed

 

CMOS memory normal operation

JP8

Pins 2 & 3 closed

 

CMOS memory clear

JP8

Pins 3 & 4 closed

 

Jumper information unavailable

JP31

Unidentified

 

Jumper information unavailable

JP32

Unidentified

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

1MB

None

None

(4) 256K x 9

1MB

(1) 256K x 36

None

None

1MB

None

(1) 256K x 36

None

2MB

(1) 256K x 36

None

(4) 256K x 9

2MB

None

(1) 256K x 36

(4) 256K x 9

2MB

(1) 256K x 36

(1) 256K x 36

None

2MB

(1) 512K x 36

None

None

2MB

None

(1) 512K x 36

None

3MB

(1) 256K x 36

(1) 256K x 36

(4) 256K x 9

3MB

None

(1) 512K x 36

(4) 256K x 9

3MB

(1) 256K x 36

(1) 512K x 36

None

3MB

(1) 512K x 36

(1) 256K x 36

None

4MB

(1) 256K x 36

(1) 512K x 36

(4) 256K x 9

4MB

None

None

(4) 1M x 9

4MB

(1) 512K x 36

(1) 512K x 36

None

4MB

(1) 1M x 36

None

None

4MB

None

(1) 1M x 36

None

5MB

(1) 1M x 36

None

(4) 256K x 9

5MB

None

(1) 1M x 36

(4) 256K x 9

5MB

(1) 256K x 36

None

(4) 1M x 9

5MB

None

(1) 256K x 36

(4) 1M x 9

5MB

(1) 256K x 36

(1) 1M x 36

None

5MB

(1) 1M x 36

(1) 256K x 36

None

6MB

None

(1) 512K x 36

(4) 1M x 9

DRAM CONFIGURATION (CONíT)

Size

Bank 0

Bank 1

Bank 2

6MB

(1) 1M x 36

(1) 512K x 36

None

6MB

(1) 512K x 36

(1) 1M x 36

None

7MB

(1) 1M x 36

(1) 512K x 36

(4) 256K x 9

7MB

(1) 256K x 36

(1) 512K x 36

(4) 1M x 9

8MB

(1) 1M x 36

None

(4) 1M x 9

8MB

None

(1) 1M x 36

(4) 1M x 9

8MB

(1) 1M x 36

(1) 1M x 36

None

8MB

(1) 2M x 36

None

None

8MB

None

(1) 2M x 36

None

9MB

(1) 1M x 36

(1) 1M x 36

(4) 256K x 9

9MB

(1) 1M x 36

(1) 256K x 36

(4) 1M x 9

9MB

(1) 256K x 36

(1) 1M x 36

(4) 1M x 9

10MB

(1) 1M x 36

(1) 512K x 36

(4) 1M x 9

12MB

(1) 1M x 36

(1) 1M x 36

(4) 1M x 9

12MB

None

(1) 2M x 36

(4) 4M x 9

12MB

(1) 1M x 36

(1) 2M x 36

None

12MB

(1) 2M x 36

(1) 1M x 36

None

16MB

None

None

(4) 4M x 9

16MB

(1) 4M x 36

None

None

16MB

None

(1) 4M x 36

None

17MB

(1) 4M x 36

None

(4) 256K x 9

17MB

None

(1) 4M x 36

(4) 256K x 9

17MB

(1) 256K x 36

None

(4) 4M x 9

17MB

None

(1) 256K x 36

(4) 4M x 9

18MB

(1) 256K x 36

(1) 4M x 36

(4) 256K x 9

18MB

(1) 4M x 36

(1) 256K x 36

(4) 256K x 9

19MB

(1) 4M x 36

(1) 512K x 36

(4) 256K x 9

20MB

(1) 4M x 36

None

(4) 1M x 9

20MB

None

(1) 4M x 36

(4) 1M x 9

20MB

(1) 1M x 36

None

(4) 4M x 9

20MB

None

(1) 1M x 36

(4) 4M x 9

21MB

(1) 1M x 36

(1) 4M x 36

(4) 256K x 9

21MB

(1) 4M x 36

(1) 1M x 36

(4) 256K x 9

24MB

(1) 1M x 36

(1) 4M x 36

(4) 1M x 9

24MB

(1) 4M x 36

(1) 1M x 36

(4) 1M x 9

32MB

(1) 4M x 36

None

(4) 4M x 9

32MB

None

(1) 4M x 36

(4) 4M x 9

32MB

(1) 4M x 36

(1) 4M x 36

None

32MB

(1) 8M x 36

None

None

32MB

None

(1) 8M x 36

None

DRAM CONFIGURATION (CONíT)

Size

Bank 0

Bank 1

Bank 2

33MB

(1) 8M x 36

None

(4) 256K x 9

33MB

None

(1) 8M x 36

(4) 256K x 9

33MB

(1) 4M x 36

(1) 4M x 36

(4) 256K x 9

33MB

(1) 4M x 36

(1) 256K x 36

(4) 4M x 9

33MB

(1) 256K x 36

(1) 4M x 36

(4) 4M x 9

34MB

(1) 4M x 36

(1) 512K x 36

(4) 4M x 9

36MB

(1) 4M x 36

(1) 1M x 36

(4) 4M x 9

36MB

(1) 1M x 36

(1) 4M x 36

(4) 4M x 9

36MB

None

(1) 8M x 36

(4) 1M x 9

36MB

(1) 4M x 36

(1) 4M x 36

(4) 1M x 9

48MB

(1) 4M x 36

(1) 4M x 36

(4) 4M x 9

48MB

None

(1) 8M x 36

(4) 4M x 9

48MB

(1) 4M x 36

(1) 8M x 36

None

48MB

(1) 8M x 36

(1) 4M x 36

None

64MB

(1) 8M x 36

(1) 8M x 36

None

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

JP9

JP10

JP33

64KB

Open

Open

Pins 2 & 3 closed

Open

128KB

Open

Pins 1 & 2 closed

Pins 1 & 2 closed

Closed

256KB (A)

Closed

Pins 2 & 3 closed

Pins 2 & 3 closed

Closed

256KB (B)

Closed

Pins 1 & 2, 3 & 4 closed

Pins 1 & 2 closed

Closed

CPU SPEED SELECTION

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 TYPE SELECTION

Type

JP11

JP12

JP13

CX486M6

1 & 2, 3 & 4, 5 & 6

1 & 2, 3 & 4, 5 & 6

2 & 3

80486SX

Open

2 & 3

2 & 3

CX486M7

1 & 2, 3 & 4, 5 & 6

1 & 2, 3 & 4, 5 & 6

1 & 2, 3 & 4

UMC486

2 & 3

2 & 3

2 & 3

AM486DXL

2 & 3

2 & 3

1 & 2, 3 & 4

80486DX

Open

2 & 3

1 & 2, 3 & 4

SL80486DX

1 & 2

1 & 2

1 & 2, 3 & 4

80486DX2

Open

2 & 3

1 & 2, 3 & 4

80486DX4

1 & 2

1 & 2

1 & 2, 3 & 4

P24D

1 & 2, 4 & 5

1 & 2, 4 & 5

1 & 2, 3 & 4

P24T

1 & 2

1 & 2

1 & 2, 3 & 4

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CONíT)

Type

JP17

JP18

JP19

JP35

CX486M6

Open

2 & 3, 4 & 5

2 & 3, 4 & 5

Open

80486SX

Open

Open

Open

Closed

CX486M7

1 & 2

2 & 3, 4 & 5

2 & 3

Open

UMC486

3 & 4

1 & 2

Open

Closed

AM486DXL

1 & 2, 3 & 4

1 & 2

Open

Closed

80486DX

1 & 2

Open

Open

Closed

SL80486DX

1 & 2

5 & 6

1 & 2, 3 & 4

Open

80486DX2

1 & 2

Open

Open

Closed

80486DX4

1 & 2

5 & 6

1 & 2, 3 & 4

Open

P24D

1 & 2

3 & 4, 5 & 6

1 & 2, 3 & 4

Open

P24T

2 & 3

5 & 6

1 & 2, 3 & 4

Open

Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION

Voltage

JP14

JP16

JP27

3.45v

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

5v

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

VL BUS WAIT STATE SELECTION

Setting

JP22

0

Open

1

Closed

VL BUS SPEED SELECTION

Setting

JP21

<= 33MHz

Open

>33 MHz

Closed