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





486 VAV (REV. B1)

FIRST INTERNATIONAL COMPUTER, INC.

486 VAV (REV. B1)

Processor

80486SX/80487SX/80486DX/80486DX2

Processor Speed

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

Chip Set

VIA

Max. Onboard DRAM

64MB

Cache

64/128/256KB

BIOS

AMI/Award

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slots (2), 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

Parallel port

CN1

VGA port

CN8

Floppy drive interface

CN2

Chassis fan power

CN9

IDE interface

CN3

IDE interface LED

CN10

PS/2 mouse port

CN4

Power LED & keylock

CN11

Serial port 1 & 2

CN5

Turbo LED

J2

VGA feature connector

CN6

32-bit VESA Local bus slot

S1

Reset switch

CN7

32-bit VESA Local bus slot

S2

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Password normal

J7

Open

 

Password clear

J7

Closed

Monitor type select color

J10

pins 1 & 2 closed

 

Monitor type select monochrome

J10

pins 2 & 3 closed

VGA interrupt enabled

J11

Closed

 

VGA interrupt disabled

J11

Open

Factory configured - do not alter

JC7

pins 2 & 3 closed

Factory configured - do not alter

JP1

pins 1 & 2 closed

Factory configured - do not alter

JK1

pins 1 & 2 closed

Factory configured - do not alter

JK2

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(1) 1M x 36

NONE

NONE

NONE

2MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

3MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

4MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

4MB

(1) 4M x 36

NONE

NONE

NONE

5MB

(1) 4M x 36

(1) 1M x 36

NONE

NONE

6MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

NONE

7MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

8MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

12MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

NONE

16MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

16MB

(1) 16M x 36

NONE

NONE

NONE

17MB

(1) 16M x 36

(1) 1M x 36

NONE

NONE

18MB

(1) 16M x 36

(1) 1M x 36

(1) 1M x 36

NONE

19MB

(1) 16M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

20MB

(1) 16M x 36

(1) 4M x 36

NONE

NONE

21MB

(1) 16M x 36

(1) 4M x 36

(1) 1M x 36

NONE

22MB

(1) 16M x 36

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

24MB

(1) 16M x 36

(1) 4M x 36

(1) 4M x 36

NONE

28MB

(1) 16M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

32MB

(1) 16M x 36

(1) 16M x 36

NONE

NONE

33MB

(1) 16M x 36

(1) 16M x 36

(1) 1M x 36

NONE

36MB

(1) 16M x 36

(1) 16M x 36

(1) 4M x 36

NONE

40MB

(1) 16M x 36

(1) 16M x 36

(1) 4M x 36

(1) 4M x 36

48MB

(1) 16M x 36

(1) 16M x 36

(1) 16M x 36

NONE

64MB

(1) 16M x 36

(1) 16M x 36

(1) 16M x 36

(1) 16M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

MD1 (Dirty bit)

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

(1) 8K x 8

128KB

(4) 32K x 8

NONE

(1) 8K x 8

(1) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JS1

JS2

JS3

64KB

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

128KB

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

256KB

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

VRAM CONFIGURATION

Size

M1

M2

M3

M4

1MB

N/A

N/A

(1) 256 x 16

(1) 256 x 16

2MB

(1) 256 x 16

(1) 256 x 16

N/A

N/A

Note: M3 & M4 are factory installed and are not configurable.

CPU TYPE CONFIGURATION

Speed

JC1

JC2

JC3

SX25MHz

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

DX25MHz

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

DX33MHz

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

DX50iMHz

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

DX50MHz

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

DX66MHz

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

CPU TYPE CONFIGURATION - JK5

Setting

Pins 1 & 2

Pins 3 & 4

Pins 5 & 6

Pins 7 & 8

25MHz

Open

Closed

Open

Open

33MHz

Closed

Open

Open

Closed

50iMHz

Open

Closed

Open

Open

66iMHz

Closed

Open

Open

Closed