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





486-PIO-2 (REV. A2)

FIRST INTERNATIONAL COMPUTER, INC.

486-PIO-2 (REV. A2)

Processor

80486SX/CX486DX/SL80486DX/UMCU5SD/UMCU5S/UMCU5SLV/ CX486DX2/AM486DX2/(SL)AM486DX2/SL80486DX2/AM486DX4/ (SL)AM486DX4/80486FX4/P24D/P24S/P24T/CXM1

Processor Speed

25/33/40/50(internal)/50/66(internal)/75(internal)/80(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

330mm x 218mm

I/O Options

32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Floppy drive interface

CN1

External battery

J6

Parallel port

CN2

Green PC connector

J7

Serial port 2

CN3

Chassis fan power

J8

Serial port 1

CN4

Power LED & keylock

J9

IDE interface 2

CN5

Speaker

J10

IDE interface 1

CN6

Reset switch

J11

IDE interface LED

J3

Turbo switch

J12

Green PC LED

J4

Turbo LED

J13

Outlet connector

J5

32-bit PCI slots

PC1 - PC4

USER CONFIGURABLE SETTINGS

Function

Label

Position

Ľ

Monitor type select monochrome/EGA/VGA

J1

Open

 

Monitor type select CGA

J1

Closed

Ľ

Password normal operation

J2

Open

 

Password clear

J2

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

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) 1M x 36

(1) 256K x 36

(1) 256K x 36

None

6MB

(1) 256K x 36

(1) 1M x 36

(1) 256K x 36

None

DRAM CONFIGURATION (CONíT)

Size

Bank 0

Bank 1

Bank 2

Bank 3

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

8MB

None

(1) 1M x 36

(1) 1M x 36

None

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) 4M x 36

(1) 1M x 36

None

20MB

None

(1) 1M x 36

(1) 4M 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

DRAM CONFIGURATION (CONíT)

Size

Bank 0

Bank 1

Bank 2

Bank 3

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

33MB

(1) 256K x 36

(1) 4M x 36

(1) 4M x 36

None

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) 16M x 36

None

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) 1M x 36

(1) 8M x 36

(1) 8M x 36

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) 256K x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M 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 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

80iMHz

Pins 1 & 2 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

JC2

JC3

JC4

JC5

80486SX

Open

Pins 2 & 3 closed

Pins 2 & 3 closed

Open

CX486DX

Open

Pins 1 & 2 closed

Pins 1 & 2 closed

Open

SL80486DX

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Open

UMCU5SD

Open

Pins 1 & 2 closed

Pins 1 & 2 closed

Open

UMCU5S

Open

Pins 2 & 3 closed

Pins 2 & 3 closed

Open

UMCU5SLV

Open

Pins 2 & 3 closed

Pins 2 & 3 closed

Open

CX486DX2

Open

Pins 1 & 2 closed

Pins 1 & 2 closed

Open

AM486DX2

Open

Pins 1 & 2 closed

Pins 1 & 2 closed

Open

(SL)AM486DX2

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Open

SL80486DX2

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Open

AM486DX4

Open

Pins 1 & 2 closed

Pins 1 & 2 closed

Open

(SL)AM486DX4

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Open

80486DX4 (ODP)

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Open

80486DX4 (2x)

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Open

80486DX4 (3x)

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Open

P24D

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Open

P24S

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Open

P24T

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Closed

CXM1

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Open

CPU TYPE SELECTION (CONíT)

Type

RNA

RNC

RNI

80486SX

Not installed

Not installed

Pins 1 - 5 closed

CX486DX

Not installed

Installed

Not installed

SL80486DX

Not installed

Not installed

Pins 1 - 5 closed

UMCU5SD

Installed

Not installed

Not installed

UMCU5S

Installed

Not installed

Not installed

UMCU5SLV

Installed

Not installed

Not installed

CX486DX2

Not installed

Installed

Not installed

AM486DX2

Installed

Not installed

Not installed

(SL)AM486DX2

Not installed

Not installed

Pins 6 - 10 closed

SL80486DX2

Not installed

Not installed

Pins 1 - 5 closed

AM486DX4

Installed

Not installed

Not installed

(SL)AM486DX4

Not installed

Not installed

Pins 6 - 10 closed

80486DX4 (ODP)

Not installed

Not installed

Pins 1 - 5 closed

80486DX4 (2x)

Not installed

Not installed

Pins 1 - 5 closed

80486DX4 (3x)

Not installed

Not installed

Pins 1 - 5 closed

P24D

Not installed

Not installed

Pins 1 - 5 closed

P24S

Not installed

Not installed

Pins 1 - 5 closed

P24T

Not installed

Not installed

Pins 1 - 5 closed

CXM1

Not installed

Not installed

Pins 6 - 10 closed

CPU VOLTAGE SELECTION

Voltage

CN3V

JPW1

JPW2

3.3v

Open

1 & 2

Open

3.45v

Open

2 & 3

Open

3.6v

Open

Open

1 & 2

4v

Open

Open

2 & 3

5v

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

N/A

N/A

Note: Pins designated should be in the closed position.

PCI-BUS CLOCK SELECTION

CPU clock

JCK

JT1

<= 33MHz

Pins 1 & 2 closed

Pins 1 & 2 closed

>33 MHz

Pins 2 & 3 closed

Pins 2 & 3 closed

DMA CHANNEL SELECTION

Channel

JEPP1

JEPP2

Ľ

1

Pins 2 & 3 closed

Pins 2 & 3 closed

 

3

Pins 1 & 2 closed

Pins 1 & 2 closed

KEYBOARD SELECTION

Setting

JX3

RN1

RN16

RN19

Ľ

Internal controller

Pins 1 & 2 closed

Not installed

Installed

Not installed

 

External controller

Pins 2 & 3 closed

Installed

Not installed

Installed

PRINTER PORT SELECTION

Setting

JH

JG

Ľ

Output

Pins 2 & 3 closed

Pins 2 & 3 closed

 

Input

Pins 1 & 2 closed

Pins 1 & 2 closed

 

Bidirectional

Pins 2 & 3 closed

N/A