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486/25 Motherboard Settings and Configuration






ASUS COMPUTER INTERNATIONAL

486/25

Processor

80486SX

Processor Speed

25MHz

Chip Set

Intel

Max. Onboard DRAM

16MB (on external memory card)

Cache

None

BIOS

Award

Dimensions

330mm x 218mm

I/O Options

External memory card

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

CON1

Speaker

CON5

Turbo LED

CON2

Power LED & keylock

CON6

Turbo switch

CON3

External memory card

SL1

Reset switch

CON4

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Battery type select internal

JP1

pins 1 & 2 closed

 

Battery type select external

JP1

pins 2 & 3 closed

Monitor type select color

JP2

pins 1 & 2 closed

 

Monitor type select monochrome

JP2

pins 2 & 3 closed

Power good signal detect from power supply

JP3

pins 1 & 2 closed

 

Power good signal detect from board

JP3

pins 2 & 3 closed

Factory configured - do not alter

JP4

Open

Factory configured - do not alter

M1

Open

DRAM CONFIGURATION (DIP MEMORY CARD)

Size

Bank 0

Bank 1

1MB

(36) 41256

NONE

2MB

(36) 41256

(36) 41256

4MB

(36) 411000

NONE

8MB

(36) 411000

(36) 411000

DRAM CONFIGURATION (SIMM MEMORY CARD)

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(4) 256K x 9

NONE

NONE

NONE

2MB

(4) 256K x 9

(4) 256K x 9

NONE

NONE

4MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

8MB

(4) 1M x 9

(4) 1M x 9

NONE

NONE

16MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

DRAM SWITCH CONFIGURATION (DIP MEMORY CARD ONLY)

Size

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

1MB

On

On

On

On

On

On

2MB

On

On

On

On

On

Off

4MB

Off

Off

On

On

Off

On

8MB

Off

Off

Off

On

Off

Off










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