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486 S14

AUSTIN COMPUTER SYSTEMS

486 S14

Processor

80486DX/80486DX2

Processor Speed

25/33/50(internal)/50/66(internal)MHz

Chip Set

SIS

Max. Onboard DRAM

32MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

220mm x 220mm

I/O Options

32-bit proprietary OPTI local bus card slot

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo LED

J3

Reset switch

J6

Turbo switch

J4

Power LED & keylock

J7

Speaker

J5

32-bit OPTI local bus card

S1

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Local bus data size select 32-bits

J8

pins 1 & 2 closed

 

Local bus data size select 16-bits

J8

pins 2 & 3 closed

CMOS memory normal operation

JP1

Closed

 

CMOS memory clear

JP1

Open

Monitor type select color

JP2

Closed

 

Monitor type select monochrome

JP2

Open

Factory configured - do not alter

JP6

N/A

Factory configured - do not alter

JP7

N/A

Factory configured - do not alter

JP8

N/A

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

NONE

2MB

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

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

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

SR1

SR2

SR3

SR4

SR5

SR6

SR7

SR8

SR9

64KB

1 & 2

1 & 2

2 & 3

2 & 3

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

128KB

2 & 3

2 & 3

2 & 3

1 & 2

1 & 2

2 & 3

2 & 3

1 & 2

1 & 2

256KB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

Note: Pins designated should be in the closed position.