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486-PAK-2

FIRST INTERNATIONAL COMPUTER, INC.

486-PAK-2

Device Type

Mainboard

Processor

CX M6/80486SX/SL80486/CX M7/AM486DX/AM486DXL/80486DX AM486DX2/80486DX2/P4S/P24C/P24D/P24S/P24T/P24CT/

AM486DX4

Processor Speed

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

Chip Set

VIA

Video Chip Set

S3

Maximum Onboard Memory

64MB

Maximum Video Memory

2MB

Cache

128/256/512KB

BIOS

Unidentified

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slot, floppy drive interface, game 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

CN2

Game interface

CN9

Parallel port

CN3

Floppy drive interface

CN10

Serial port 2

CN4

IDE interface

J1

Serial port 1

CN5

Front panel connectors

J7 J11

VGA port

CN6

32-bit VESA local bus slot

SL1

VGA feature connector

CN7

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

HDD BALE disabled

J2

Open

 

HDD BALE enabled

J2

Closed

Regulator board not installed

J4

Pins 1 & 2, 15 & 16 closed

 

Regulator board installed

J4

Open

Monitor type select monochrome

J5

Open

 

Monitor type select color

J5

Closed

Factory configured - do not alter

J6

Unidentified

CMOS memory normal operation

JCP

Open

 

CMOS memory clear

JCP

Closed

Green LED disabled

JG1

Open

 

Green LED enabled

JG1

Closed

Outlet enabled

JG2

Open

 

Outlet disabled

JG2

Closed

 

505 riser card installed

JL3

Pins 1 & 2 closed

 

505 riser card not installed

JL3

Pins 2 & 3 closed

VGA IRQ9 disabled

JV1

Open

 

VGA IRQ9 enabled

JV1

Closed

SIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

1MB

(1) 256K x 36

None

None

2MB

(1) 256K x 36

(1) 256K x 36

None

3MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

4MB

(1) 1M x 36

None

None

5MB

(1) 1M x 36

(1) 256K x 36

None

6MB

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

8MB

(1) 1M x 36

(1) 1M x 36

None

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

SIMM CONFIGURATION (CONT)

Size

Bank 0

Bank 1

Bank 2

12MB

(1) 1M x 36

(1) 2M x 36

None

16MB

(1) 4M x 36

None

None

16MB

(1) 2M x 36

(1) 2M x 36

None

17MB

(1) 4M x 36

(1) 256K x 36

None

18MB

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

20MB

(1) 4M x 36

(1) 1M x 36

None

21MB

(1) 4M x 36

(1) 1M x 36

(1) 256K x 36

24MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

32MB

(1) 4M x 36

(1) 4M x 36

None

32MB

(1) 8M x 36

None

None

33MB

(1) 4M x 36

(1) 4M x 36

(1) 256K x 36

36MB

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

48MB

(1) 4M x 36

(1) 8M x 36

None

64MB

(1) 4M x 36

(1) 8M x 36

(1) 4M x 36

64MB

(1) 8M x 36

(1) 8M x 36

None

CACHE CONFIGURATION

Size

Bank 0

TAG

128KB

(4) 32K x 8

(1) 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

VIDEO MEMORY CONFIGURATION

Size

Bank 0

Bank 1

1MB

(2) 256K x 16

None

2MB

(2) 256K x 16

(2) 256K x 16

CPU SPEED SELECTION

Speed

JK1

JK2

JK3

25MHz

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

33MHz

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

40MHz

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

50iMHz

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

50MHz

Pins 1 & 2 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

66iMHz

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

75iMHz

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

100iMHz

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

CPU TYPE SELECTION

Type

JC1

JC2

JC3

CX M6

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

80486SX

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

SL80486

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

CX M7

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

AM486DX

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

AM486DXL

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

80486DX

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

AM486DX2

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

80486DX2

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

P4S

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

P24C

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

P24D

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

P24S

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

P24T

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

P24CT

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

AM486DX4

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

CPU TYPE SELECTION (CONT)

Type

RN16

RN17

RN30

RN31

CX M6

Not installed

Installed

Not installed

Not installed

80486SX

Not installed

Not installed

Not installed

Installed

SL80486

Not installed

Not installed

Not installed

Installed

CX M7

Not installed

Installed

Not installed

Not installed

AM486DX

Not installed

Not installed

Not installed

Installed

AM486DXL

Not installed

Not installed

Installed

Not installed

80486DX

Not installed

Not installed

Not installed

Installed

AM486DX2

Not installed

Not installed

Not installed

Installed

80486DX2

Not installed

Not installed

Not installed

Installed

P4S

Not installed

Not installed

Not installed

Installed

P24C

Installed

Not installed

Not installed

Installed

P24D

Installed

Not installed

Not installed

Installed

P24S

Not installed

Not installed

Not installed

Installed

P24T

Installed

Not installed

Not installed

Installed

P24CT

Installed

Not installed

Not installed

Installed

AM486DX4

Not installed

Not installed

Not installed

Installed

CPU WRITE SELECTION

Setting

JC4

Write through

Open

 

Write back

Closed

AMD CLOCK MODE SELECTION

Setting

JC5

Speed double for DX2-80V/DX4

Pins 1 & 2 closed

Speed double for DX2 plus

Pins 2 & 3 closed

Speed triple for DX2 plus

Pins 1 & 2 closed

Speed triple for DX2-80V/DX4

Pins 2 & 3 closed

VL BUS WAIT STATE SELECTION

Setting

JV2

0

Pins 1 & 2 closed

 

1

Pins 2 & 3 closed

VL BUS SPEED SELECTION

Speed

JV3

<= 33MHz

Pins 1 & 2 closed

 

>33 MHz

Pins 2 & 3 closed

DMA CHANNEL SELECTION

Channel

JE1

JE2

Disabled

Open

Open

 

1

Pins 1 & 2 closed

Pins 1 & 2 closed

 

3

Pins 2 & 3 closed

Pins 2 & 3 closed

PCICLK SELECTION

Setting

JL1

JL2

PCICLK = CPUCLK

Pins 1 & 2 closed

Pins 1 & 2 closed

PCICLK = CPUCLK/2

Pins 2 & 3 closed

Pins 2 & 3 closed