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3486LE WINSTATION

AUSTIN COMPUTER SYSTEMS

3486LE WINSTATION

Processor

80386DX/80486SX/80487SX/80486DX/80486DX2

Processor Speed

20/25/33/40/50(internal)/50/66(internal) MHz

Chip Set

OPTI

Max. Onboard DRAM

32MB

SRAM Cache

64/128/256KB

BIOS

AMI

Dimensions

310mm x 218mm

I/O Options

32-bit local bus slot

NPU Options

80387DX

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J1

External battery

JP18

Speaker

J2

32-bit local bus

S1

Reset switch

J5

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

 

Unused jumper pad

J3

Open

 

Unused jumper pad

J4

Open

Monitor type select color

JP17

Closed

 

Monitor type select monochrome

JP17

Open

CMOS memory normal operation (Internal Battery)

JP18

pins 2 & 3 closed

 

CMOS memory normal operation (External Battery)

JP18

pins 1 & 4 closed

 

CMOS memory clear

JP18

pins 3 & 4 closed

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

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) 4M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

SRAM JUMPER CONFIGURATION

Size

JP6

JP7

JP12

JP13

64KB

Open

Open

Open

pins 2 & 3 closed

128KB

Open

Closed

Closed

pins 1 & 2 closed

256KB

Closed

Closed

Closed

pins 2 & 3 closed

SRAM CONFIGURATION

Size

Cache

Location

TAG

64KB

(8) 8K x 8

Banks 0 & 1

(1) 8K x 8

128KB

(4) 32K x 8

Bank 0

(1) 8K x 8

256KB

(8) 32K x 8

Banks 0 & 1

(1) 32K x 8

CPU TYPE CONFIGURATION

CPU

JP1

JP2

JP3

JP4

JP5

JP20

JP21

JP24

80386DX PQFP

N/A

N/A

2 & 3

N/A

1 & 2

Open

Closed

1 & 2

80486SX PQFP

N/A

N/A

1 & 2

N/A

2 & 3

Open

Open

2 & 3

80486SX PGA

Open

2 & 3

1 & 2

Open

2 & 3

Closed

Closed

2 & 3

80487SX PGA

Closed

1 & 2

1 & 2

2 & 3

2 & 3

Closed

Closed

2 & 3

80486DX PGA

Closed

1 & 2

1 & 2

1 & 2

2 & 3

Closed

Closed

2 & 3

ODP486SX PGA

Closed

1 & 2

1 & 2

2 & 3

2 & 3

Closed

Closed

2 & 3

80486DX2 PGA

Closed

1 & 2

1 & 2

1 & 2

2 & 3

Closed

Closed

2 & 3

Note:Pins designated should be in the closed postion.

The locations of jumpers JP1 and JP2 are unknown.

CPU SPEED CONFIGURATION

CPU

Speed

Type

JP14

JP15

JP16

JP22

JP51

JP52

80486SX

25MHz

PGA

pins 1 & 2

N/A

N/A

N/A

Closed

Open

80486DX

25MHz

PGA

pins 1 & 2

N/A

N/A

N/A

Closed

Open

80486SX

25MHz

PQFP

pins 1 & 2

Open

Closed

N/A

N/A

N/A

80486DX2

50i MHz

PGA

pins 1 & 2

Open

Closed

N/A

N/A

N/A

80386/DLC

33MHz

PQFP

pins 2 & 3

N/A

N/A

Closed

Closed

Open

80486SX

33MHz

PGA

pins 1 & 2

N/A

N/A

N/A

Open

Closed

80486DX

33MHz

PGA

pins 1 & 2

N/A

N/A

N/A

Open

Closed

80486SX

33MHz

PQFP

pins 1 & 2

Closed

Open

N/A

N/A

N/A

80486DX2

66i MHz

PGA

pins 1 & 2

Closed

Open

N/A

N/A

N/A

80386/DLC

40MHz

PQFP

pins 2 & 3

N/A

N/A

Open

Open

Open

80486DX

50MHz

PGA

pins 2 & 3

N/A

N/A

N/A

Closed

Open

Note: Pins designated should be in the closed postion.

The locations of jumpers JP15 and JP16 are unknown.