TARGET MICRO

TYPHOON 486-386/ISA

Processor

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

Processor Speed

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

Chip Set

UNI

Max. Onboard DRAM

128MB

Cache

32/64/128/256KB

BIOS

AMI

Dimensions

254mm x 218mm

I/O Options

None

NPU Options

80387

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J4

Turbo LED

JP16

Power LED & keylock

J5

Turbo switch

JP17

Speaker

J6

Reset switch

JP18

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Battery type select internal

J4

Open

 

Battery type select external

J4

Closed

»

Keyboard controller select 386 KBGA20

JP14

pins 1 & 2 closed

»

Keyboard controller select 386 emulate KBGA20

JP14

Open

 

Keyboard controller select emulate KBGA20

JP14

pins 2 & 3 closed

 

Keyboard controller select 486DX/DLC emulate KBGA20

JP14

pins 3 & 4 closed

»

Monitor type select color

JP1

Closed

 

Monitor type select monochrome

JP1

Open

»

CMOS memory normal operation

JP2

pins 1 & 2 closed

 

CMOS memory clear

JP2

pins 2 & 3 closed

 

Factory configured - do not alter

JP13

Open

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) 1M x 9

(4) 256K x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

17MB

(4) 4M x 9

(4) 256K x 9

20MB

(4) 4M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

64MB

(4) 16M x 9

NONE

65MB

(4) 16M x 9

(4) 256K x 9

80MB

(4) 16M x 9

(4) 4M x 9

128MB

(4) 16M x 9

(4) 16M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

32KB

(4) 8K x 8

NONE

(1) 8K x 8

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) 16K x 4

CACHE JUMPER CONFIGURATION

Size

JP6

JP7

JP9

JP11

32KB

Open

Open

Open

pins 2 & 3 closed

64KB

Open

Closed

Open

pins 1 & 2 closed

128KB

Open

Closed

Closed

pins 1 & 2, 3 & 4 closed

256KB

Open

Closed

Closed

pins 1 & 2, 4 & 5 closed

CPU TYPE CONFIGURATION

Type

JP3

JP4

JP5

JP8

JP10

JP12

JP15

80386DX

See note

See note

Open

See note

2 & 3

2 & 3

2 & 3

CX486DLC

1 & 2

See note

Open

See note

2 & 3

2 & 3

2 & 3

80486SX

See note

Open

Closed

1 & 2, 3 & 4

1 & 2

1 & 2

1 & 2

80487SX

See note

2 & 3

Closed

1 & 2, 3 & 4

1 & 2

1 & 2

1 & 2

80486DX

See note

1 & 2

Closed

2 & 3

1 & 2

1 & 2

1 & 2

80486DX2

See note

1 & 2

Closed

2 & 3

1 & 2

1 & 2

1 & 2

Note:Speed select for 386DX is JP3 pins 1 & 2 closed = 33/40MHz, pins 2 & 3 closed = 25MHz.

Pins designated should be in the closed position.

CPU OSCILLATOR CONFIGURATION

Type

OSC

80386DX-25

50MHz

80386DX-33

66MHz

80386DX-40

80MHz

CX486DLC-33

66MHz

CX486DLC-40

80MHz

80486SX-20

20MHz

80486SX-25

25MHz

80487SX-20

20MHz

80487SX-25

25MHz

80486DX-25

25MHz

80486DX-33

33MHz

80486DX-50

50MHz

80486DX2-50

25MHz

80486DX2-66

33MHz