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





486 GAW-V

FIRST INTERNATIONAL COMPUTER, INC.

486 GAW-V

Processor

CX486S/CS487S/CS486DX/80486SX/80486DX/80486DX2/80486DX4/ Pentium Overdrive

Processor Speed

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

Chip Set

VIA

Max. Onboard DRAM

64MB

Cache

64/128/256KB

BIOS

Award

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slot, 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

Green power supply connector

J1

Serial port 2

CN5

IDE interface LED

J5

Parallel port

CN6

Turbo LED

J9

VGA port

CN7

Turbo switch

J10

VGA feature connector

CN8

Reset switch

J11

IDE drive interface

CN9

Power LED & keylock

J12

Floppy drive interface

CN10

Speaker

J13

Daughter board connector

CN11

PS/2 mouse port

CN3

32-bit VESA Local bus slot

SL1

Serial port 1

CN4

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

HDD IOCHRDY disabled

J2

Open

 

HDD IOCHRDY enabled

J2

Closed

HDD BALE disabled

J3

Open

 

HDD BALE enabled

J3

Closed

Non Intel SL-enhanced CPU

J4, J16, JX5

pins 1 & 2 closed

 

Intel SL-enhanced CPU

J4, J16, JX5

pins 2 & 3 closed

CMOS memory normal operation

J7

Open

 

CMOS memory clear

J7

Closed

Factory configured - do not alter

J8

pins 1 & 2 closed

Adaptec ISA master 1542B/C SCSI (transfer rate <5.7 MB/s)

J14

Open

 

Adaptec ISA master 1542B/C SCSI (transfer rate >5.7 MB/s)

J14

Closed

Intel DX4 clock select (3X)

JC6

Open

 

Intel DX4 clock select (2.5X)

JC6

pins 1 & 2 closed

 

Intel DX4 clock select (2X)

JC6

pins 2 & 3 closed

Pentium Overdrive write back enabled

JC7

Closed

 

Pentium Overdrive write through enabled

JC7

Open

Intel CPU installed

JC8

Closed

 

Cyrix CPU installed

JC8

Open

IDE interface enabled

JD3

pins 1 & 2 closed

 

IDE interface disabled

JD3

pins 2 & 3 closed

Onboard VGA enabled

JV1, JV2

pins 2 & 3 closed

 

Onboard VGA disabled

JV1, JV2

pins 1 & 2 closed

VGA IRQ9 disabled

JV3

Open

 

VGA IRQ9 enabled

JV3

Closed

DX33 CPU installed

JV4/11 & 12

Open

 

DX50/DX4 CPU installed

JV4/11 & 12

Closed

Intel SL enhanced CPU installed

JX4

pins 1 & 2 closed

 

Cyrix 486S/DX CPU installed

JX4

pins 2 & 3 closed

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

128KB

(4) 32K x 8

NONE

(1) 8K x 8

256KB

(4) 32K x 8

(4) 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

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

8MB

(1) 2M x 36

NONE

NONE

NONE

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

12MB

(1) 2M x 36

(1) 1M x 36

NONE

NONE

12MB

NONE

(1) 2M 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

16MB

(1) 2M x 36

(1) 1M x 36

NONE

(1) 1M x 36

16MB

(1) 1M x 36

(1) 2M x 36

(1) 1M x 36

NONE

16MB

(1) 2M x 36

(1) 2M x 36

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

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

32MB

(1) 8M x 36

NONE

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

48MB

(1) 8M x 36

(1) 4M x 36

NONE

NONE

48MB

NONE

(1) 8M x 36

(1) 4M x 36

NONE

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

(1) 8M x 36

(1) 4M x 36

NONE

(1) 4M x 36

64MB

(1) 4M x 36

(1) 8M x 36

(1) 4M x 36

NONE

64MB

(1) 8M x 36

(1) 8M x 36

NONE

NONE

.

CPU SPEED CONFIGURATION

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

CPU TYPE CONFIGURATION

CPU Type

JC1

JC2

JC3

JC4

486SX/P23S/CX486S

pins 2 & 3 closed

pins 2 & 3 closed

Open

pins 1 & 2 closed

CX486DX/486S-487S

pins 1 & 2 closed

pins 1 & 2 closed

Open

pins 1 & 2 closed

P24S/P4S

pins 1 & 2 closed

pins 1 & 2 closed

Open

pins 1 & 2 closed

80486DX/DX2/DX4

pins 1 & 2 closed

pins 1 & 2 closed

Open

pins 1 & 2 closed

Pentium Overdrive

pins 1 & 2 closed

pins 1 & 2 closed

Closed

pins 2 & 3 closed

P24D

pins 1 & 2 closed

pins 1 & 2 closed

Open

pins 2 & 3 closed

CPU TYPE CONFIGURATION

CPU Type

JC5

RC1

RC2

CX486S/DX

Open

Not installed

Installed

486SX/DX/DX2

Open

Not installed

Not Installed

P23S/P24S/P4S

Closed

Not installed

Not installed

P24D/P24CT/DX4

Closed

Installed

Not installed

HARD DRIVE SPEED SELECT

Speed

JD1

JD2

Speed 0

pins 2 & 3 closed

pins 2 & 3 closed

Speed 1

pins 1 & 2 closed

pins 2 & 3 closed

Speed 2

pins 1 & 2 closed

pins 1 & 2 closed

Note:Used only with the Promise PDC20230 local bus IDE controller card.

VESA WAIT STATE/BUS SPEED CONFIGURATION

CPU speed

Wait states

JL1

JL2

< 33MHz

0 wait states

pins 1 & 2 closed

pins 1 & 2 closed

> 33MHz

1 wait state

pins 2 & 3 closed

pins 2 & 3 closed

800 X 600 REFRESH RATES

Speed

JV4/1 & 2

JV4/3 & 4

56MHz (default)

Open

Open

56MHz

Closed

Closed

60MHz

Open

Closed

72MHz

Closed

Open

1024 X 768 REFRESH RATES

Speed

JV4/5 & 6

JV4/7 & 8

Interlaced

Open

Open

60Hz non-interlaced

Open

Closed

70Hz non-interlaced

Closed

Open

72Hz non-interlaced

Closed

Closed

VIDEO FONT SETTINGS

Font

JV4/9 & 10

Standard fonts

Open

TUV fonts

Closed

Note: TUV is the German standard for character spacing, and may not be compatible with some DOS applications.