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A-BL2443G, A-BL2463, A-BL2483

MAGITRONICS

A-BL2443G, A-BL2463, A-BL2483

Device Type

Mainboard

Processor

CX486/80486SX/SL80486SX/CX486S/CX486DX/AM486DXL/

80486DX/SL80486DX/CX486DX2/80486DX2/SL80486DX2/P24C/

P24T

Processor Speed

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

Chip Set

ALI

Video Chip Set

None

Maximum Onboard Memory

64MB

Maximum Video Memory

None

Cache

64/128/256KB

BIOS

Unidentified

Dimensions

254mm x 218mm

I/O Options

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

BATT

Wake on modem connector

JG7

Power LED & keylock

CN1

Green PC connector

JG8

Speaker

CN2

Green PC connector

JG9

Reset switch

CN3

Green PC connector

JG10

Turbo switch

CN4

Green PC connector

JG11

Turbo LED

CN5

32-bit VESA local bus slots

SL1 Ė SL3

Green PC connector

JG6

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Battery type select internal

BATT

Pins 2 & 3 closed

 

Battery type select external

BATT

Open

 

CMOS memory clear

BATT

Pins 3 & 4 closed

Ľ

Factory configured - do not alter

JX1

Unidentified

SIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(1) 256K x 36

None

None

None

2MB

(1) 256K x 36

(1) 256K x 36

None

None

3MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

None

4MB

(1) 1M x 36

None

None

None

4MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

5MB

(1) 1M x 36

(1) 256K x 36

None

None

5MB

(1) 256K x 36

(1) 1M x 36

None

None

6MB

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

None

7MB

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

8MB

(1) 1M x 36

(1) 1M x 36

None

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

12MB

(1) 1M x 36

(1) 2M x 36

None

None

16MB

(1) 4M x 36

None

None

None

16MB

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

None

16MB

(1) 2M x 36

(1) 2M x 36

None

None

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

17MB

(1) 4M x 36

(1) 256K x 36

None

None

18MB

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

None

SIMM CONFIGURATION (CONíT)

Size

Bank 0

Bank 1

Bank 2

Bank 3

19MB

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

20MB

(1) 4M x 36

(1) 1M x 36

None

None

20MB

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

20MB

(1) 1M x 36

(1) 2M x 36

(1) 2M x 36

None

24MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

None

24MB

(1) 4M 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) 4M x 36

None

None

28MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

28MB

(1) 1M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

32MB

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

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

36MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

None

40MB

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

None

52MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

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

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JS1

JS2

JS3

JS4

64KB

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

128KB

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

256KB

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

CPU SPEED SELECTION

Speed

JF1

JF2

JF3

JC10

JC11

JC13

25MHz

2 & 3

1 & 2

2 & 3

1 & 2

1 & 2

1 & 2

33MHz

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

1 & 2

40MHz

1 & 2

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

50iMHz

2 & 3

1 & 2

2 & 3

1 & 2

1 & 2

1 & 2

50MHz

2 & 3

1 & 2

2 & 3

2 & 3

2 & 3

2 & 3

66iMHz

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

1 & 2

75iMHz

2 & 3

1 & 2

2 & 3

1 & 2

1 & 2

1 & 2

100iMHz

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION

Type

JC1

JC2

JC3

JC4

JC5

JC6

CX486

Open

1 & 2

Open

2 & 3

2 & 3

2 & 3

80486SX

Closed

1 & 2

Open

1 & 2

Open

2 & 3

SL80486SX

Closed

1 & 2

Open

1 & 2

Open

2 & 3

CX486S

Open

1 & 2

Open

2 & 3

2 & 3

2 & 3

CX486DX

Open

1 & 2

2 & 3

2 & 3

2 & 3

1 & 2, 3 & 4

AM486DXL

Closed

1 & 2

2 & 3

1 & 2

Open

1 & 2, 3 & 4

80486DX

Closed

1 & 2

2 & 3

1 & 2

Open

1 & 2, 3 & 4

SL80486DX

Closed

1 & 2

2 & 3

1 & 2

Open

1 & 2, 3 & 4

CX486DX2

Open

1 & 2

2 & 3

2 & 3

2 & 3

1 & 2, 3 & 4

80486DX2

Closed

1 & 2

2 & 3

1 & 2

Open

1 & 2, 3 & 4

SL80486DX2

Closed

1 & 2

2 & 3

1 & 2

Open

1 & 2, 3 & 4

P24C

Closed

1 & 2

2 & 3

1 & 2

Open

1 & 2, 3 & 4

P24T

Closed

2 & 3

1 & 2

1 & 2

1 & 2

1 & 2, 3 & 4

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CONíT)

Type

JC7

JC8

JC9

JC20

JX2

JX4

CX486

2 & 3

Open

2 & 3

Open

Closed

Closed

80486SX

Open

Open

Open

Open

Closed

Closed

SL80486SX

Open

Open

Open

Closed

Closed

Closed

CX486S

2 & 3

Open

2 & 3

Open

Closed

Closed

CX486DX

Open

Open

2 & 3

Open

Closed

Closed

AM486DXL

Open

Open

Open

Open

Closed

Closed

80486DX

Open

Open

Open

Open

Closed

Closed

SL80486DX

Open

Open

Open

Closed

Closed

Closed

CX486DX2

Open

Open

2 & 3

Open

Closed

Closed

80486DX2

Open

Open

Open

Open

Closed

Closed

SL80486DX2

Open

Open

Open

Closed

Closed

Closed

P24C

Open

Open

Open

Open

Open

Open

P24T

Open

2 & 3

Open

Open

Closed

Closed

Note: Pins designated should be in the closed position.

CPU MULTIPLIER SELECTION (P24C ONLY)

Multiplier

JX3

2x

Pins 2 & 3 closed

3x

Pins 1 & 2 closed

CPU SELECTION

Type

JC12

JC21

JC22

JG2

JG3

AMD

1 & 2

Open

Open

1 & 2

1 & 2

AM486DXL

2 & 3

Open

Open

2 & 3

2 & 3

CX486DX2

1 & 2

Closed

Closed

1 & 2

1 & 2

CX486S

1 & 2

Closed

Closed

1 & 2

1 & 2

Cyrix

1 & 2

Open

Closed

1 & 2

1 & 2

Intel

1 & 2

Open

Open

2 & 3

2 & 3

Intel - S

1 & 2

Open

Open

2 & 3

2 & 3

P24C

1 & 2

Open

Open

1 & 2

1 & 2

P24T

1 & 2

Closed

Open

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CPU SELECTION (CONíT)

Type

JG4

JG5

JG16

JG19

JG20

AMD

1 & 2

1 & 2

Open

Open

Open

AM486DXL

2 & 3

2 & 3

Open

Open

Open

CX486DX2

1 & 2

1 & 2

Open

Closed

1 & 2

CX486S

1 & 2

1 & 2

Open

Closed

1 & 2

Cyrix

1 & 2

1 & 2

Open

Closed

1 & 2

Intel

2 & 3

2 & 3

Open

Open

Open

Intel - S

2 & 3

2 & 3

Open

Open

2 & 3

P24C

1 & 2

Open

Closed

Open

Open

P24T

2 & 3

2 & 3

Open

Open

Open

Note: Pins designated should be in the closed position.

VL BUS WAIT STATE SELECTION

Setting

J2

0

Open

1

Closed

VL BUS SPEED SELECTION

Speed

J1

<= 33MHz

Open

>33 MHz

Closed