...because we can't all be on the bleeding edge...





486-VAL

FIRST INTERNATIONAL COMPUTER, INC.

486-VAL

Processor

80486SX/80487SX/80486DX/80486DX2

Processor Speed

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

Chip Set

VIA

Max. Onboard DRAM

64MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

Floppy drive interface, IDE interface, parallel port, PS/2 mouse port,

serial ports (2), VGA feature connector, VGA port

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse port

CN1

IDE interface

CN10

Serial port 1

CN3

IDE interace LED

J4

Serial port 2

CN4

Turbo LED

J7

Parallel port

CN5

Turbo switch

J8

VGA port

CN6

Reset switch

J9

Video feature connector

CN7

Speaker

J10

Floppy drive interface

CN9

Power LED & keylock

J11

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Real time clock normal operation

J1

Open

 

Real time clock clear

J1

Closed

Flash BIOS write protect enabled

J2

Open

 

Flash BIOS write protect disabled

J2

Closed

Monitor type select color

J13

Closed

 

Monitor type select monochrome, VGA or EGA

J13

Open

I/O channel ready enabled

J30

Closed

 

I/O channel ready disabled

J30

Open

Factory configured - do not alter

JF1

pins 2 & 3 closed

Factory configured - do not alter

JF2

pins 2 & 3 closed

Factory configured - do not alter

JF3

pins 2 & 3 closed

Keyboard IRQ set for AMI 8042 KF

JI1

pins 1 & 2 closed

 

Keyboard IRQ set for another version

JI1

pins 2 & 3 closed

PS/2 mouse IRQ set for AMI 8042 KF

JI2

pins 1 & 2 closed

 

PS/2 mouse IRQ set for another version

JI2

pins 2 & 3 closed

Local type tri-state

JV2

pins 1 & 2 closed

 

Local type level

JV2

pins 2 & 3 closed

Local access for DAC enabled

JV3

pins 1 & 2 closed

 

A10 busline for DAC enabled

JV3

pins 2 & 3 closed

Local bus select 86C805 enabled

JV4

pins 1 & 2 closed

 

Local bus select 86C805 disabled

JV4

pins 2 & 3 closed

Factory configured - do not alter

JV8

N/A

Video interrupt select IRQ5

JV9

pins 1 & 2 closed

 

Video interrupt select IRQ9

JV9

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(1) 256K x 36

NONE

NONE

NONE

2MB

(1) 256K x 36

(1) 256K x 36

NONE

NONE

3MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

NONE

4MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

4MB

(1) 1M x 36

NONE

NONE

NONE

5MB

(1) 1M x 36

(1) 256K x 36

NONE

NONE

6MB

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

NONE

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

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 4M x 36

NONE

NONE

NONE

17MB

(1) 4M x 36

(1) 256K x 36

NONE

NONE

18MB

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

NONE

19MB

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

20MB

(1) 4M x 36

(1) 1M x 36

NONE

NONE

21MB

(1) 4M x 36

(1) 1M x 36

(1) 256K x 36

NONE

DRAM CONFIGURATION (CONTINUED)

Size

Bank 0

Bank 1

Bank 2

Bank 3

22MB

(1) 4M x 36

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

24MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

NONE

28MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

33MB

(1) 4M x 36

(1) 4M x 36

(1) 256K x 36

NONE

34MB

(1) 4M x 36

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

36MB

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

NONE

40MB

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

NONE

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG/M9

TAG/M14

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

NONE

128KB

(4) 32K x 8

NONE

(1) 8K x 8

NONE

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

NONE

CACHE JUMPER CONFIGURATION

Size

JS1

JS2

64KB

pins 1 & 2 closed

pins 1 & 2 closed

128KB

pins 2 & 3 closed

pins 1 & 2 closed

256KB

pins 2 & 3 closed

pins 2 & 3 closed

CPU TYPE/SPEED CONFIGURATION

Type/Speed

JC1

JC2

JC3

JC4

JK1

JK2

80486SX/20

pins 2 & 3

pins 2 & 3

pins 2 & 3

Open

pins 1 & 2

pins 1 & 2

80486SX/25

pins 2 & 3

pins 2 & 3

pins 2 & 3

Open

pins 1 & 2

pins 1 & 2

80486SX/33

pins 2 & 3

pins 2 & 3

pins 2 & 3

Open

pins 2 & 3

pins 2 & 3

80487SX/20

pins 1 & 2

pins 1 & 2

pins 2 & 3

pins 2 & 3

pins 1 & 2

pins 1 & 2

80487SX/25

pins 1 & 2

pins 1 & 2

pins 2 & 3

pins 2 & 3

pins 1 & 2

pins 1 & 2

80486DX/20

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

80486DX/25

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

80486DX/33

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 2 & 3

pins 2 & 3

80486DX/50

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 2 & 3

pins 2 & 3

80486DX2/50i

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

80486DX2/66i

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 2 & 3

pins 2 & 3

Note:Pins designated should be in the closed position.

MONITOR TYPE SELECT

Type

JV5

JV6

JV7

640 x 480/60Hz

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

640 x 480/70Hz

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

800 x 600/60Hz

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

800 x 600/70Hz

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

800 x 600/56Hz

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

1024 x 768/43Hz

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

1024 x 768/60Hz

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

1024 x 768/70Hz

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

VRAM CONFIGURATION

Size

Bank 0

Bank 1

JV1

512KB

(4) 44256

None

pins 1 & 2 closed

1MB

(4) 44256

(4) 44256

pins 2 & 3 closed