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MA405DC

PC WARE INTERNATIONAL, INC.

MA405DC

Processor

80486SX/80487SX/80486DX

Processor Speed

25/33/40/50MHz

Chip Set

ACC Micro

Max. Onboard DRAM

32MB

Cache

32/64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

CN1

Turbo switch

CN4

Power LED & keylock

CN2

Reset switch

CN5

Speaker

CN3

Turbo LED

CN6

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Cache enabled

JP1

Closed

 

Cache disabled

JP1

Open

16mhz Oscillator not installed

JP4

pins 2 & 3 closed

 

16MHz Oscillator installed

JP4

pins 1 & 2 closed

Monitor type select color

JP5

pins 2 & 3 closed

 

Monitor type select monochrome

JP5

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

NONE

2MB

(4) 256K x 9

NONE

4MB

(4) 1M x 9

NONE

5MB

(4) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

32KB

(4) 8K x 8

NONE

(1) 32K x 8

64KB

(4) 8K x 8

(4) 8K x 8

(1) 32K x 8

128KB

(4) 32K x 8

NONE

(1) 32K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JK1

JK2

JK3

JK4

JK5

JK6

32KB

1 & 2, 3 & 4

1 & 2, 3 & 4

1 & 2, 3 & 4

1 & 2, 3 & 4

pins 1 & 2

pins 1 & 2

64KB

1 & 2, 3 & 4

2 & 3, 4 & 5

1 & 2, 3 & 4

1 & 2, 3 & 4

pins 1 & 2

pins 1 & 2

128KB

2 & 3, 4 & 5

1 & 2, 4 & 5

1 & 2, 3 & 4

1 & 2, 3 & 4

pins 1 & 2

pins 1 & 2

256KB

2 & 3, 4 & 5

2 & 3, 4 & 5

2 & 3, 4 & 5

Closed

pins 1 & 2

pins 2 & 3

Note:Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JP2

JP3

80486SX

pins 2 & 3 closed

pins 2 & 3 closed

80487SX

pins 1 & 2 closed

pins 1 & 2 and 3 & 4 closed

80486DX

pins 3 & 4 closed

pins 1 & 2 and 3 & 4 closed