FIRST INTERNATIONAL COMPUTER, INC.

486-PVT-IO

Processor

CX486S/80486SX/SL80486SX/AM486DX/CX486DXV/CX486DX/80486DX/ AM486DX2/CX486DX2V/CX486DX2/80486DX2/SL80486DX2/AM486DX4/ 80486DX4/P24CT/P24D/Pentium Overdrive

Processor Speed

25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz

Chip Set

VIA

Max. Onboard DRAM

128MB

Cache

256/512/1024KB

BIOS

Award

Dimensions

244mm x 218mm

I/O Options

32-bit VESA local bus slots (2), floppy drive interface, game port, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, PS/2 mouse interface, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse port

CN2

External battery

J6

PS/2 mouse interface

CN3

Chassis fan power

J7

Game interface

CN5

Green PC connector

J9

IDE interface (primary)

CN6

Daughter board connector

J10

IDE interface (secondary)

CN7

IDE interface LED

J13

Parallel port

CN9

Turbo LED

J14

Serial port 2

CN10

Turbo switch

J15

Serial port 1

CN11

Speaker

J16

Floppy drive interface

CN12

Reset switch

J17

Green PC connector

J1

Power LED & keylock

J18

Green PC LED

J2

32-bit VESA local bus slots

SL1 & SL2

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

IDE interface enabled

JG

pins 2 & 3 closed

 

IDE interface disabled

JG

pins 1 & 2 closed

 

Floppy drive interface enabled

JH

pins 2 & 3 closed

 

Floppy drive interface disabled

JH

pins 1 & 2 closed

 

Parallel port bidirectional

JI

Open

 

Parallel port unidirectional (printer)

JI

Closed

 

CMOS memory normal operation

JCP

Open

»

CMOS memory clear

JCP

Closed

 

Monitor type select monochrome/EGA/VGA

J4

Open

»

Monitor type select CGA

J4

Closed

 

IDE interface pin 27 open

JP1

Open

»

IDE interface pin 27 linked to IOCHRDY signal

JP1

Closed

»

Game port enabled

JW7

pins 2 & 3 closed

 

Game port disabled

JW7

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(1) 256K x 36

NONE

NONE

NONE

1MB

NONE

(1) 256K x 36

NONE

NONE

1MB

NONE

NONE

(1) 256K x 36

NONE

2MB

(1) 256K x 36

(1) 256K x 36

NONE

NONE

2MB

(1) 256K x 36

NONE

(1) 256K x 36

NONE

2MB

NONE

NONE

(1) 256K x 36

(1) 256K x 36

2MB

NONE

(1) 256K x 36

(1) 256K x 36

NONE

3MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

NONE

3MB

NONE

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

3MB

(1) 256K x 36

NONE

(1) 256K x 36

(1) 256K x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

4MB

(1) 1M x 36

NONE

NONE

NONE

4MB

NONE

(1) 1M x 36

NONE

NONE

4MB

NONE

NONE

(1) 1M x 36

NONE

4MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

5MB

(1) 256K x 36

(1) 1M x 36

NONE

NONE

5MB

(1) 256K x 36

NONE

(1) 1M x 36

NONE

5MB

(1) 1M x 36

(1) 256K x 36

NONE

NONE

5MB

(1) 1M x 36

NONE

(1) 256K x 36

NONE

5MB

NONE

(1) 256K x 36

(1) 1M x 36

NONE

5MB

NONE

(1) 1M x 36

(1) 256K x 36

NONE

6MB

(1) 256K x 36

(1) 256K x 36

(1) 1M x 36

NONE

6MB

(1) 256K x 36

(1) 1M x 36

(1) 256K x 36

NONE

6MB

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

NONE

6MB

NONE

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

6MB

(1) 1M x 36

NONE

(1) 256K x 36

(1) 256K x 36

7MB

(1) 256K x 36

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

7MB

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

8MB

(1) 1M x 36

NONE

(1) 1M x 36

NONE

8MB

NONE

NONE

(1) 1M x 36

(1) 1M x 36

9MB

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

NONE

9MB

(1) 1M x 36

(1) 256K x 36

(1) 1M x 36

NONE

9MB

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

NONE

9MB

NONE

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

9MB

(1) 256K x 36

NONE

(1) 1M x 36

(1) 1M x 36

10MB

(1) 256K x 36

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

10MB

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

12MB

NONE

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

12MB

(1) 1M x 36

NONE

(1) 1M x 36

(1) 1M x 36

13MB

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

13MB

(1) 1M x 36

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

16MB

NONE

(1) 4M x 36

NONE

NONE

16MB

NONE

NONE

(1) 4M x 36

NONE

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

17MB

(1) 256K x 36

NONE

(1) 4M x 36

NONE

17MB

NONE

(1) 256K x 36

(1) 4M x 36

NONE

17MB

NONE

(1) 4M x 36

(1) 256K x 36

NONE

18MB

(1) 256K x 36

(1) 256K x 36

(1) 4M x 36

NONE

18MB

(1) 256K x 36

(1) 4M x 36

(1) 256K x 36

NONE

18MB

NONE

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

19MB

(1) 256K x 36

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

20MB

(1) 1M x 36

(1) 4M x 36

NONE

NONE

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

20MB

(1) 1M x 36

NONE

(1) 4M x 36

NONE

20MB

NONE

(1) 1M x 36

(1) 4M x 36

NONE

20MB

NONE

(1) 4M x 36

(1) 1M x 36

NONE

21MB

(1) 256K x 36

(1) 1M x 36

(1) 4M x 36

NONE

21MB

(1) 256K x 36

(1) 4M x 36

(1) 1M x 36

NONE

21MB

(1) 1M x 36

(1) 256K x 36

(1) 4M x 36

NONE

21MB

(1) 1M x 36

(1) 4M x 36

(1) 256K x 36

NONE

22MB

(1) 1M x 36

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

24MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

NONE

24MB

(1) 1M x 36

(1) 4M x 36

(1) 1M x 36

NONE

24MB

NONE

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

25MB

(1) 256K x 36

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

28MB

(1) 1M x 36

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

32MB

NONE

NONE

(1) 4M x 36

(1) 4M x 36

32MB

(1) 8M x 36

NONE

NONE

NONE

32MB

NONE

(1) 8M x 36

NONE

NONE

32MB

NONE

(1) 4M x 36

(1) 4M x 36

NONE

33MB

(1) 256K x 36

(1) 4M x 36

(1) 4M x 36

NONE

33MB

NONE

(1) 256K x 36

(1) 4M x 36

(1) 4M x 36

33MB

(1) 256K x 36

NONE

(1) 4M x 36

(1) 4M x 36

34MB

(1) 256K x 36

(1) 256K x 36

(1) 4M x 36

(1) 4M x 36

36MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

NONE

36MB

NONE

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

36MB

(1) 1M x 36

NONE

(1) 4M x 36

(1) 4M x 36

37MB

(1) 256K x 36

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

37MB

(1) 1M x 36

(1) 256K x 36

(1) 4M x 36

(1) 4M x 36

40MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

48MB

NONE

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

49MB

(1) 256K x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

52MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

NONE

(1) 8M x 36

(1) 8M x 36

NONE

65MB

(1) 256K x 36

(1) 8M x 36

(1) 8M x 36

NONE

66MB

(1) 256K x 36

(1) 256K x 36

(1) 8M x 36

(1) 8M x 36

66MB

(1) 256K x 36

(1) 8M x 36

(1) 256K x 36

(1) 8M x 36

66MB

(1) 8M x 36

(1) 8M x 36

(1) 256K x 36

(1) 256K x 36

68MB

(1) 1M x 36

(1) 8M x 36

(1) 8M x 36

NONE

68MB

NONE

(1) 1M x 36

(1) 8M x 36

(1) 8M x 36

68MB

(1) 8M x 36

(1) 8M x 36

(1) 1M x 36

NONE

69MB

(1) 256K x 36

(1) 8M x 36

(1) 1M x 36

(1) 8M x 36

69MB

(1) 1M x 36

(1) 256K x 36

(1) 8M x 36

(1) 8M x 36

69MB

(1) 1M x 36

(1) 8M x 36

(1) 256K x 36

(1) 8M x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

72MB

(1) 1M x 36

(1) 1M x 36

(1) 8M x 36

(1) 8M x 36

72MB

(1) 1M x 36

(1) 8M x 36

(1) 1M x 36

(1) 8M x 36

72MB

(1) 8M x 36

(1) 8M x 36

(1) 1M x 36

(1) 1M x 36

80MB

(1) 8M x 36

(1) 4M x 36

(1) 8M x 36

NONE

80MB

(1) 8M x 36

(1) 8M x 36

(1) 4M x 36

NONE

81MB

(1) 256K x 36

(1) 4M x 36

(1) 8M x 36

(1) 8M x 36

81MB

(1) 256K x 36

(1) 8M x 36

(1) 4M x 36

(1) 8M x 36

84MB

(1) 1M x 36

(1) 4M x 36

(1) 8M x 36

(1) 8M x 36

84MB

(1) 1M x 36

(1) 8M x 36

(1) 4M x 36

(1) 8M x 36

96MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

NONE

128MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

128KB

(4) 32K x 8

NONE

(1) 8K x 8 or (1) 32K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

256KB

(4) 64K x 8

NONE

(1) 32K x 8

512KB

(4) 64K x 8

(4) 64K x 8

(1) 32K x 8

512KB

(4) 128K x 8

NONE

(1) 32K x 8

1MB

(4) 128K x 8

(4) 128K x 8

(1) 64K x 8 or (1) 128K x 8

CACHE JUMPER CONFIGURATION

Size

JS1

JS2

JS3

JS4

JS5

JS6

128KB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

256KB

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

1 & 2

512KB

2 & 3

2 & 3

2 & 3

1 & 2

2 & 3

1 & 2

1MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JC1

JC2

JC3

JC4

JX2

CX486S

2 & 3

2 & 3

1 & 2

Open

2 & 3

80486SX

2 & 3

2 & 3

1 & 2

Open

1 & 2

SL80486SX

2 & 3

2 & 3

1 & 2

Open

1 & 2

AM486DX

1 & 2

1 & 2

1 & 2

Open

1 & 2

cx486dxV

1 & 2

1 & 2

1 & 2

Open

2 & 3

cx486dx

1 & 2

1 & 2

1 & 2

Open

2 & 3

80486DX

1 & 2

1 & 2

1 & 2

Open

1 & 2

AM486DX2

1 & 2

1 & 2

1 & 2

Open

1 & 2

cx486dx2V

1 & 2

1 & 2

1 & 2

Open

2 & 3

cx486dx2

1 & 2

1 & 2

1 & 2

Open

2 & 3

80486DX2

1 & 2

1 & 2

1 & 2

Open

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)

Type

JC1

JC2

JC3

JC4

JX2

SL80486DX2

1 & 2

1 & 2

1 & 2

Open

1 & 2

AM486DX4

1 & 2

1 & 2

1 & 2

Open

1 & 2

80486DX4

1 & 2

1 & 2

1 & 2

Open

1 & 2

P24CT

1 & 2

1 & 2

1 & 2

Closed

1 & 2

P24D

1 & 2

1 & 2

1 & 2

Closed

1 & 2

P24T

1 & 2

1 & 2

1 & 2

Closed

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

RN26

RN27

RN28

RN32

CX486S

Not installed

Installed

Not installed

Not installed

80486SX

Not installed

Not installed

Installed

Not installed

SL80486SX

Not installed

Not installed

Installed

Not installed

AM486DX

Not installed

Not installed

Not installed

Installed

cx486dxV

Not installed

Installed

Not installed

Not installed

cx486dx

Not installed

Installed

Not installed

Not installed

80486DX

Not installed

Not installed

Installed

Not installed

AM486DX2

Not installed

Not installed

Not installed

Installed

cx486dx2V

Not installed

Installed

Not installed

Not installed

cx486dx2

Not installed

Installed

Not installed

Not installed

80486DX2

Not installed

Not installed

Installed

Not installed

SL80486DX2

Not installed

Not installed

Installed

Not installed

AM486DX4

Not installed

Not installed

Not installed

Installed

80486DX4

Not installed

Not installed

Installed

Not installed

P24CT

Installed

Not installed

Installed

Not installed

P24D

Installed

Not installed

Installed

Not installed

P24T

Not installed

Not installed

Installed

Not installed

CPU SPEED CONFIGURATION

Speed

JK1

JK2

JK3

JK4

25MHz

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

33MHz

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

40MHz

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

50iMHz

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

50MHz

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

66iMHz

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

75iMHz

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

100iMHz

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

CPU SPEED CONFIGURATION (AM486DX2 ONLY)

Speed

J19

J20

2x

Closed

Closed

3x

Open

Open

CPU VOLTAGE CONFIGURATION

Voltage

J2

J3

3.45v

Open

Open

3.6v

Open

pins 1 & 2 closed

4v

Open

pins 2 & 3 closed

Note: Jumpers J2 & J3 are located on the daughter board.

DAUGHTER BOARD CONFIGURATION

Setting

J10

Not installed

pins 1 & 2, 3 & 4, 13 & 15, 15 & 16 closed

Installed

Closed

VESA WAIT STATE CONFIGURATION

Wait states

JV1

0 wait states

pins 2 & 3 closed

1 wait state

pins 1 & 2 closed

BUS SPEED CONFIGURATION

CPU speed

JV2

<= 33MHz

pins 2 & 3 closed

> 33MHz

pins 1 & 2 closed

DMA CONFIGURATION

DMA

JW5

JW6

DMA 1

pins 1 & 2 closed

pins 1 & 2 closed

DMA 3

pins 2 & 3 closed

pins 2 & 3 closed

IDE R/W SIGNAL CONFIGURATION

Type

JR1

JR2

VT82C496G

pins 2 & 3 closed

pins 2 & 3 closed

W83758

pins 1 & 2 closed

pins 1 & 2 closed

IDE CONFIGURATION

Setting

J5

JP2

IDE interface pin 28 open

Open

Open

IDE interface pin 28 linked to BALE signal

Closed

Closed

PARALLEL PORT CONFIGURATION

Type

JW3

JW4

Print

pins 2 & 3 closed

pins 2 & 3 closed

EPP/SPP

pins 2 & 3 closed

pins 1 & 2 closed

EPP/ECP

pins 1 & 2 closed

pins 2 & 3 closed

EXT2FDD

pins 1 & 2 closed

pins 1 & 2 closed

PARALLEL PORT CONFIGURATION

Address

JE

JF

378H

pins 1 & 2 closed

pins 2 & 3 closed

278H

pins 2 & 3 closed

pins 1 & 2 closed

3BCH

pins 2 & 3 closed

pins 2 & 3 closed

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

SERIAL PORT 1 CONFIGURATION

Address

JA

JB

3F8H

pins 2 & 3 closed

pins 1 & 2 closed

2E8H

pins 2 & 3 closed

pins 2 & 3 closed

3E8H

pins 1 & 2 closed

pins 2 & 3 closed

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

SERIAL PORT 2 CONFIGURATION

Address

JC

JD

378H

pins 2 & 3 closed

pins 1 & 2 closed

2E8H

pins 1 & 2 closed

pins 2 & 3 closed

3E8H

pins 2 & 3 closed

pins 2 & 3 closed

Disabled

pins 1 & 2 closed

pins 1 & 2 closed