HwMuseum | Index

FIRST INTERNATIONAL COMPUTER, INC.

486-PVT (REV. B2)

Processor

CX486SX/80486SX/SL80486SX/AM486DX/80486DX/SL80486DX/ CX486DX/CX486DXV/CX486DX2/CX486DX2V/AM486DX2/ 80486DX2/SL80486DX2/80486DX4/P24CT/P24D/P24T

Processor Speed

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

Chip Set

VIA

Video Chip Set

None

Maximum Onboard Memory

128MB

Maximum Video Memory

None

Cache

128/256/512KB

BIOS

Award

Dimensions

254mm x 218mm

I/O Options

32-bit VESA local bus slots (2), green PC connector, Low voltage regulator board connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Low voltage regulator board connector

CN6

Speaker

J8

Green PC LED

J3

Power LED & keylock

J9

Green PC connector

J4

Green PC connector

J10

Turbo LED

J5

Chassis fan power

J11

Turbo switch

J6

32-bit VESA local bus slots

SL1 & SL2

Reset switch

J7

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Password normal operation

JCP

Open

 

Password clear

JCP

Closed

»

Monitor type select monochrome/EGA/VGA

JP1

Open

 

Monitor type select color

JP1

Closed

 

Jumper information unavailable

JP2

Unidentified

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

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

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

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

(1) 1M x 36

(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

(1) 4M x 36

None

None

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

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

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

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

(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

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

97MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

(1) 256K x 36

128MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

TAG

128KB

(4) 32K x 8

(1) 8K/32K x 8

256KB

(4) 64K x 8

(1) 32K x 8

512KB

(4) 128K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JS1

JS2

128KB

Pins 1 & 2 closed

Pins 1 & 2 closed

256KB

Pins 2 & 3 closed

Pins 1 & 2 closed

512KB

Pins 2 & 3 closed

Pins 2 & 3 closed

CPU SPEED SELECTION

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 1 & 2 closed

Pins 2 & 3 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 TYPE SELECTION

Type

JC1

JC2

JC3

JC4

JC5

CX486SX

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

80486DX

1 & 2

1 & 2

1 & 2

Open

1 & 2

SL 80486DX

1 & 2

1 & 2

1 & 2

Open

1 & 2

CX486DX

1 & 2

1 & 2

1 & 2

Open

1 & 2

CX486DXV

1 & 2

1 & 2

1 & 2

Open

2 & 3

CX486DX2

1 & 2

1 & 2

1 & 2

Open

1 & 2

CX486DX2V

1 & 2

1 & 2

1 & 2

Open

2 & 3

AM486DX2

1 & 2

1 & 2

1 & 2

Open

1 & 2

80486DX2

1 & 2

1 & 2

1 & 2

Open

1 & 2

SL 80486DX2

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 SELECTION (CON’T)

Type

RN16

RN17

RN18

RN19

CX486SX

Installed

Not installed

Not installed

Not installed

80486SX

Not installed

Not installed

Not installed

Installed

SL80486SX

Not installed

Not installed

Not installed

Installed

AM486DX

Not installed

Not installed

Installed

Not installed

80486DX

Not installed

Not installed

Not installed

Installed

SL 80486DX

Not installed

Not installed

Not installed

Installed

CX486DX

Installed

Not installed

Not installed

Not installed

CX486DXV

Installed

Not installed

Not installed

Not installed

CX486DX2

Installed

Not installed

Not installed

Not installed

CX486DX2V

Installed

Not installed

Not installed

Not installed

AM486DX2

Not installed

Not installed

Installed

Not installed

80486DX2

Not installed

Not installed

Not installed

Installed

SL 80486DX2

Not installed

Not installed

Not installed

Installed

AM486DX4

Not installed

Not installed

Installed

Not installed

80486DX4

Not installed

Not installed

Not installed

Installed

P24CT

Not installed

Installed

Not installed

Installed

P24D

Not installed

Installed

Not installed

Installed

CPU TYPE SELECTION

Type

JP3

All CPU types

Pins 1 & 2 closed

Cyrix CPUs only

Pins 2 & 3 closed

CPU TYPE SELECTION (AMD ONLY)

Type

J12

AM486DX2

Closed

AM486DX4

Open

CPU SPEED MULTIPLIER SELECTION (AMD ONLY)

Multiplier

J2

2x

Closed

3x

Open

CPU VOLTAGE SELECTION

Voltage

JCV1

JCV2

CN6

3v

1 & 2

Open

7 & 8, 9 & 10

3.3v

2 & 3

Open

7 & 8, 9 & 10

3.45v

Jumper together pin 2 on JCV1 and pin 2 on JCV2

7 & 8, 9 & 10

3.6v

Open

1 & 2

7 & 8, 9 & 10

4v

Open

2 & 3

7 & 8, 9 & 10

5v

Jumper together pin 2 on JCV1 and pin 2 on JCV2

1 & 2, 3 & 4, 13 & 14, 15 & 16

Note: Pins designated should be in the closed position.

VL BUS WAIT STATE SELECTION

Setting

JV1

»

0

Pins 2 & 3 closed

 

1

Pins 1 & 2 closed

VL BUS SPEED SELECTION

Speed

JV2

»

<= 33MHz

Pins 2 & 3 closed

 

>33 MHz

Pins 1 & 2 closed