FIRST INTERNATIONAL COMPUTER, INC.

4386-VIO

Processor

80386DX/CX486DLC/80486SX/80487SX/80486DX/80486DX2

Processor Speed

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

Chip Set

VIA

Max. Onboard DRAM

32/128MB (depends on CPU used)

Cache

64/128/256KB

BIOS

Award

Dimensions

254mm x 220mm

I/O Options

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

NPU Options

80387DX

CONNECTIONS

Purpose

Location

Purpose

Location

Parallel port

CN3

Turbo LED

J5

Game port

CN4

Turbo switch

J6

Serial port 1

CN5

Reset switch

J7

Serial port 2

CN6

Speaker

J8

Floppy drive interface

CN7

Power LED & keylock

J9

IDE interface

CN8

IDE interface LED

J44

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Parallel port unidirectional (printer)

JG

pins 1 & 2 closed

 

Parallel port bidirectional

JG

pins 2 & 3 closed

»

IDE interface enabled

JH

pins 2 & 3 closed

 

IDE interface disabled

JH

pins 1 & 2 closed

»

Floppy drive interface enabled

JI

pins 2 & 3 closed

 

Floppy drive interface disabled

JI

pins 1 & 2 closed

»

Monitor type select CGA

J2

Closed

 

Monitor type select monochrome/EGA/VGA

J2

Open

»

Factory configured - do not alter

J3

N/A

»

Factory configured - do not alter

J4

N/A

»

NPU synchronous with CPU

J40

pins 1 & 2 closed

 

NPU asynchronous with CPU

J40

pins 2 & 3 closed

»

Factory configured - do not alter

J41

N/A

»

BALE to IDE select connected to CN8 pin28

J45

Closed

 

BALE to IDE select not connected

J45

Open

DRAM CONFIGURATION (80386)

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

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) 256K x 9

(4) 4M x 9

17MB

(4) 4M x 9

(4) 256K x 9

20MB

(4) 1M x 9

(4) 4M x 9

20MB

(4) 4M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

DRAM CONFIGURATION (80486)

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

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) 256K x 9

(4) 4M x 9

17MB

(4) 4M x 9

(4) 256K x 9

20MB

(4) 1M x 9

(4) 4M x 9

20MB

(4) 4M x 9

(4) 1M x 9

DRAM CONFIGURATION (80486 CON’T)

Size

Bank 0

Bank 1

32MB

(4) 4M x 9

(4) 4M x 9

64MB

(4) 16M x 9

NONE

65MB

(4) 256K x 9

(4) 16M x 9

65MB

(4) 16M x 9

(4) 256K x 9

68MB

(4) 1M x 9

(4) 16M x 9

68MB

(4) 16M x 9

(4) 1M x 9

80MB

(4) 4M x 9

(4) 16M 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

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

JS1

JS2

JS3

JS4

64KB

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

128KB

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

256KB

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

CPU TYPE CONFIGURATION

Type

JC1

JC2

JC3

JC5

80386DX-33/40

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

Open

CX486DLC-33/40

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

Closed

80486SX-20/25

pins 2 & 3 closed

pins 2 & 3 closed

Open

Open

80486SX-33

pins 2 & 3 closed

pins 2 & 3 closed

Open

Open

80487SX-20/25

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

Open

80486DX-20/25

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

Open

80486DX-33/50

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

Open

80486DX2-50

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

Open

80486DX2-66

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

Open

Note: If JC5 is closed, pins 1 & 2, 3 & 4, 5 & 6 are closed

CPU TYPE CONFIGURATION (CON’T)

Type

JK1

JK2

JK4

80386DX-33/40

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

CX486DLC-33/40

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

80486SX-20/25

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

80486SX-33

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

80487SX-20/25

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

80486DX-20/25

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

80486DX-33/50

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

80486DX2-50

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

80486DX2-66

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

CPU CLOCK GENERATOR CONFIGURATION

Speed

J46 pins 1 & 2

J46 pins 3 & 4

J46 pins 5 & 6

J46 pins 7 & 8

33MHz

Closed

Open

Open

Open

40MHz

Closed

Open

Closed

Closed

40MHz

Closed

Closed

Open

Open

50MHz

Open

Open

Closed

Closed

50MHz

Open

Closed

Open

Open

66MHz

Open

Closed

Open

Closed

66MHz

Closed

Open

Open

Closed

80MHz

Closed

Closed

Open

Closed

Note: If an oscillator is installed, these jumper settings have no effect.

PARALLEL PORT CONFIGURATION

Setting

JE

JF

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

378

pins 1 & 2 closed

pins 2 & 3 closed

278

pins 2 & 3 closed

pins 1 & 2 closed

3BC

pins 2 & 3 closed

pins 2 & 3 closed

SERIAL PORT 1 CONFIGURATION

Setting

JA

JB

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

3E8

pins 1 & 2 closed

pins 2 & 3 closed

3F8

pins 2 & 3 closed

pins 1 & 2 closed

2E8

pins 2 & 3 closed

pins 2 & 3 closed

SERIAL PORT 2 CONFIGURATION

Setting

JC

JD

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

2E8

pins 1 & 2 closed

pins 2 & 3 closed

2F8

pins 2 & 3 closed

pins 1 & 2 closed

3E8

pins 2 & 3 closed

pins 2 & 3 closed