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PREDATOR

AUSTIN COMPUTER SYSTEMS

PREDATOR

Processor

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

Processor Speed

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

Chip Set

Symphony

Max. Onboard DRAM

64MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

Floppy drive interface, IDE interface, parallel port, serial ports (2)

NPU Options

80387

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 2

J2

Turbo switch

J24 pins 1 & 2

Serial port 1

J3

Turbo LED

J24 pins 3 & 4

Mouse port

J5

Speaker

J25

Parallel port

J14

Reset switch

J26

Floppy interface

J21

IDE interface LED

J27

IDE interface

J22

CPU speed LED

J28

Power LED & keylock

J23

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

IRQ12 select mouse port

JP1

pins 1 & 2 closed

 

IRQ12 disabled

JP1

pins 2 & 3 closed

 

IRQ5 select serial port 1

JP2

pins 1 & 2 closed

 

IRQ5 select serial port 2

JP2

pins 2 & 3 closed

»

IRQ5 disabled

JP2

pins 3 & 4 closed

»

Flash BIOS write enabled

JP3

pins 1 & 2 closed

 

Flash BIOS write disabled

JP3

pins 2 & 3 closed

»

BIOS select standard address

JP4

pins 2 & 3 closed

 

BIOS select Flash address

JP4

pins 1 & 2 closed

»

IRQ4 select serial port 1

JP5

pins 1 & 2 closed

 

IRQ4 select serial port 2

JP5

pins 2 & 3 closed

 

IRQ4 disabled

JP5

pins 3 & 4 closed

 

IRQ3 select serial port 1

JP6

pins 1 & 2 closed

»

IRQ3 select serial port 2

JP6

pins 2 & 3 closed

 

IRQ3 disabled

JP6

pins 3 & 4 closed

 

IRQ9 select serial port 1

JP7

pins 1 & 2 closed

 

IRQ9 select serial port 2

JP7

pins 2 & 3 closed

»

IRQ9 disabled

JP7

pins 3 & 4 closed

»

Parallel port IRQ select IRQ7

JP8

pins 1 & 2 closed

 

Parallel port IRQ select IRQ5

JP8

pins 2 & 3 closed

 

Parallel port IRQ select no interrupt

JP8

pins 3 & 4 closed

»

Monitor type select color

JP14

pins 1 & 2 closed

 

Monitor type select monochrome

JP14

pins 2 & 3 closed

»

Real time clock select normal operation

JP17

pins 1 & 2 closed

 

Real time clock reset

JP17

pins 2 & 3 closed

»

NPU mode select synchronous with CPU

JP22

pins 1 & 2 closed

 

NPU mode select asynchronous with CPU

JP22

pins 2 & 3 closed

»

Factory configured - do not alter

JP28

pins 2 & 3 closed

»

Expansion bus enabled

JP33

pins 1 & 2 closed

 

Expansion bus disabled

JP33

pins 2 & 3 closed

DRAM CONFIGURATION

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

3MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

NONE

4MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

NONE

NONE

5MB

(4) 1M x 9

(4) 256K x 9

NONE

NONE

6MB

(4) 1M x 9

(4) 256K x 9

(4) 256K x 9

NONE

7MB

(4) 1M 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

9MB

(4) 1M x 9

(4) 1M x 9

(4) 256K x 9

NONE

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

10MB

(4) 1M x 9

(4) 1M x 9

(4) 256K x 9

(4) 256K x 9

12MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

NONE

16MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

NONE

NONE

17MB

(4) 4M x 9

(4) 256K x 9

NONE

NONE

18MB

(4) 4M x 9

(4) 256K x 9

(4) 256K x 9

NONE

19MB

(4) 4M x 9

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

20MB

(4) 4M x 9

(4) 1M x 9

NONE

NONE

21MB

(4) 4M x 9

(4) 1M x 9

(4) 256K x 9

NONE

22MB

(4) 4M x 9

(4) 1M x 9

(4) 256K x 9

(4) 256K x 9

24MB

(4) 4M x 9

(4) 1M x 9

(4) 1M x 9

NONE

28MB

(4) 4M x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

NONE

NONE

33MB

(4) 4M x 9

(4) 4M x 9

(4) 256K x 9

NONE

34MB

(4) 4M x 9

(4) 4M x 9

(4) 256K x 9

(4) 256K x 9

36MB

(4) 4M x 9

(4) 4M x 9

(4) 1M x 9

NONE

37MB

(4) 256K x 9

(4) 1M x 9

(4) 4M x 9

(4) 4M x 9

40MB

(4) 4M x 9

(4) 4M x 9

(4) 1M x 9

(4) 1M x 9

48MB

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

NONE

49MB

(4) 256K x 9

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

52MB

(4) 4M x 9

(4) 1M x 9

(4) 4M x 9

(4) 4M x 9

64MB

(4) 4M x 9

(4) 4M x 9

(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) 32K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP12

JP13

JP15

JP16

JP18

JP19

JP20

JP21

64KB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

128KB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

256KB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

3 & 4

3 & 4

3 & 4

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION WITH 64KB CACHE

CPU type

CPU speed

JP9

JP10

JP11

JP23

JP24

JP25

JP26

JP27

JP29

JP30

JP31

JP32

80386DX

25MHz

1 & 2

1 & 2

1 & 2

1 & 2

N/A

N/A

2 & 3

1 & 2

80386DX

33MHz

7 & 8

1 & 2

1 & 2

1 & 2

N/A

N/A

2 & 3

1 & 2

80386DX

40MHz

3 & 4

1 & 2

1 & 2

1 & 2

N/A

N/A

2 & 3

1 & 2

80486SX

20MHz

5 & 6

1 & 2

1 & 2

1 & 2

3 & 4

3 & 4

1 & 2

2 & 3

80486SX

25MHz

1 & 2

1 & 2

1 & 2

1 & 2

3 & 4

3 & 4

1 & 2

2 & 3

80487SX

20MHz

5 & 6

1 & 2

1 & 2

1 & 2

2 & 3

2 & 3

1 & 2

2 & 3

80487SX

25MHz

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

2 & 3

1 & 2

2 & 3

80486DX

25MHz

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

80486DX

33MHz

7 & 8

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

80486DX

50MHz

1 & 2

2 & 3

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

2 & 3

Note: Speeds indicate the external speed of the CPU. Pins designated should be in the closed position.

CPU TYPE CONFIGURATION WITH 128KB CACHE

CPU type

CPU speed

JP9

JP10

JP11

JP23

JP24

JP25

JP26

JP27

JP29

JP30

JP31

JP32

80386DX

25MHz

1 & 2

1 & 2

1 & 2

1 & 2

N/A

N/A

1 & 2

1 & 2

80386DX

33MHz

7 & 8

1 & 2

1 & 2

1 & 2

N/A

N/A

1 & 2

1 & 2

80386DX

40MHz

3 & 4

1 & 2

1 & 2

1 & 2

N/A

N/A

1 & 2

1 & 2

80486SX

20MHz

5 & 6

1 & 2

1 & 2

1 & 2

3 & 4

3 & 4

1 & 2

2 & 3

80486SX

25MHz

1 & 2

1 & 2

1 & 2

1 & 2

3 & 4

3 & 4

1 & 2

2 & 3

80487SX

20MHz

5 & 6

1 & 2

1 & 2

1 & 2

2 & 3

2 & 3

1 & 2

2 & 3

80487SX

25MHz

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

2 & 3

1 & 2

2 & 3

80486DX

25MHz

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

80486DX

33MHz

7 & 8

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

80486DX

50MHz

1 & 2

2 & 3

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

2 & 3

Note: Speeds indicate the external speed of the CPU. Pins designated should be in the closed position.

CPU TYPE CONFIGURATION WITH 256KB CACHE

CPU type

CPU speed

JP9

JP10

JP11

JP23

JP24

JP25

JP26

JP27

JP29

JP30

JP31

JP32

80386DX

25MHz

1 & 2

1 & 2

1 & 2

1 & 2

N/A

N/A

2 & 3

1 & 2

80386DX

33MHz

7 & 8

1 & 2

1 & 2

1 & 2

N/A

N/A

2 & 3

1 & 2

80386DX

40MHz

3 & 4

1 & 2

1 & 2

1 & 2

N/A

N/A

2 & 3

1 & 2

80486SX

20MHz

5 & 6

1 & 2

1 & 2

1 & 2

3 & 4

3 & 4

1 & 2

2 & 3

80486SX

25MHz

1 & 2

1 & 2

1 & 2

1 & 2

3 & 4

3 & 4

1 & 2

2 & 3

80487SX

20MHz

5 & 6

1 & 2

1 & 2

1 & 2

2 & 3

2 & 3

1 & 2

2 & 3

80487SX

25MHz

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

2 & 3

1 & 2

2 & 3

80486DX

25MHz

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

80486DX

33MHz

7 & 8

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

80486DX

50MHz

1 & 2

1 & 2

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

2 & 3

Note: Speeds indicate the external speed of the CPU. Pins designated should be in the closed position.