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





486-GVT-2

FIRST INTERNATIONAL COMPUTER, INC.

486-GVT-2

Processor

CX486S/80486SX/CX487S/CX486DX/80486DX/80486DX2/Pentium Overdrive

Processor Speed

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

Chip Set

VIA

Max. Onboard DRAM

96MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

259mm x 218mm

I/O Options

32-bit VESA local bus slots (2), PS/2 mouse port

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo switch

J1

Speaker

J10

Green power supply

J3

Power LED & keylock

J11

External battery

J4

PS/2 mouse port

CN2

Turbo LED

J8

Mouse connector

CN4

Reset switch

J9

32-bit VESA Local bus slots

SL0 & SL1

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select monochrome

J2

Open

 

Monitor type select color

J2

Closed

CMOS memory normal operation (Internal Battery)

J5

pins 2 & 3 closed

 

CMOS memory normal operation (External Battery)

J5

pins 1 & 2 closed

Transfer rate < 5.7MB/s

J6

Open

 

Adaptec ISA master SCSI card (transfer rate > 5.7MB/s)

J6

Closed

CMOS memory normal operation

J7

Closed

 

CMOS memory clear

J7

Open

Cyrix CPU 1X clock mode

J12

pins 2 & 3 closed

 

Cyrix CPU 2X clock mode

J12

pins 1 & 2 closed

 

80486SX/P23S/P4S/CX486S disabled

JC6

Closed

 

80486SX/P23S/P4S/CX486S enabled

JC6

Open

Factory configured - do not alter

JP1

pins 1 & 2 closed

IRQ 15 (regular CPU)

JP2,JX2

pins 1 & 2 closed

 

SMI (Cyrix/Intel S series)

JP2,JX2

pins 2 & 3 closed

Local bus IDE interface disabled

JP4

pins 1 & 2 closed

 

Local bus IDE interface enabled (SL0 only)

JP4

pins 2 & 3 closed

Factory configured - do not alter

JP5

pins 1 & 2 closed

 

P24T write back

JT1

pins 1 & 2 closed

 

P24T write through

JT1

pins 2 & 3 closed

Intel S-series CPU

JCX1

Open

 

Cyrix CX486S/DX

JCX1

Closed

Intel S-series CPU

JCX2

pins 1 & 2 closed

 

Cyrix CX486S/DX

JCX2

pins 2 & 3 closed

CPU clock 1X

JX1

pins 1 & 2 closed

 

CPU clock 2X

JX1

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

1MB

(4) 256K x 9

NONE

NONE

1MB

NONE

(1) 256K x 36

NONE

1MB

NONE

NONE

(1) 256K x 36

2MB

(4) 256K x 9

(1) 256K x 36

NONE

2MB

NONE

(1) 256K x 36

(1) 256K x 36

2MB

(4) 256K x 9

NONE

(1) 256K x 36

3MB

(4) 256K x 9

(1) 256K x 36

(1) 256K x 36

4MB

(4) 1M x 9

NONE

NONE

4MB

NONE

(1) 1M x 36

NONE

4MB

NONE

NONE

(1) 1M x 36

5MB

(4) 256K x 9

(1) 1M x 36

NONE

5MB

(4) 256K x 9

NONE

(1) 1M x 36

5MB

(4) 1M x 9

(1) 256K x 36

NONE

5MB

(4) 1M x 9

NONE

(1) 256K x 36

5MB

NONE

(1) 256K x 36

(1) 1M x 36

DRAM CONFIGURATION (CONTINUED)

Size

Bank 0

Bank 1

Bank 2

5MB

NONE

(1) 1M x 36

(1) 256K x 36

6MB

(4) 256K x 9

(1) 1M x 36

(1) 256K x 36

6MB

(4) 256K x 9

(1) 256K x 36

(1) 1M x 36

6MB

(4) 1M x 9

(1) 256K x 36

(1) 256K x 36

8MB

(4) 1M x 9

(1) 1M x 36

NONE

8MB

(4) 1M x 9

NONE

(1) 1M x 36

8MB

NONE

(1) 1M x 36

(1) 1M x 36

9MB

(4) 256K x 9

(1) 1M x 36

(1) 1M x 36

9MB

(4) 1M x 9

(1) 256K x 36

(1) 1M x 36

9MB

(4) 1M x 9

(1) 1M x 36

(1) 256K x 36

12MB

(4) 1M x 9

(1) 1M x 36

(1) 256K x 36

16MB

(4) 4M x 9

NONE

NONE

16MB

NONE

(1) 4M x 36

NONE

16MB

NONE

NONE

(1) 4M x 36

17MB

(4) 256K x 9

(1) 4M x 36

NONE

17MB

(4) 256K x 9

NONE

(1) 4M x 36

17MB

NONE

(1) 256K x 36

(1) 4M x 36

17MB

NONE

(1) 4M x 36

(1) 256K x 36

17MB

(4) 4M x 9

(1) 256K x 36

NONE

17MB

(4) 4M x 9

NONE

(1) 256K x 36

18MB

(4) 256K x 9

(1) 256K x 36

(1) 4M x 36

18MB

(4) 256K x 9

(1) 4M x 36

(1) 256K x 36

18MB

(4) 4M x 9

(1) 256K x 36

(1) 256K x 36

20MB

(4) 1M x 9

(1) 4M x 36

NONE

20MB

(4) 1M x 9

NONE

(1) 4M x 36

20MB

(4) 4M x 9

(1) 1M x 36

NONE

20MB

(4) 4M x 9

NONE

(1) 1M x 36

20MB

NONE

(1) 1M x 36

(1) 4M x 36

20MB

NONE

(1) 4M x 36

(1) 1M x 36

21MB

(4) 256K x 9

(1) 1M x 36

(1) 4M x 36

21MB

(4) 256K x 9

(1) 4M x 36

(1) 1M x 36

21MB

(4) 1M x 9

(1) 256K x 36

(1) 4M x 36

21MB

(4) 1M x 9

(1) 4M x 36

(1) 256K x 36

21MB

(4) 4M x 9

(1) 256K x 36

(1) 1M x 36

21MB

(4) 4M x 9

(1) 1M x 36

(1) 256K x 36

24MB

(4) 1M x 9

(1) 1M x 36

(1) 4M x 36

24MB

(4) 1M x 9

(1) 4M x 36

(1) 1M x 36

24MB

(4) 4M x 9

(1) 1M x 36

(1) 1M x 36

32MB

(4) 4M x 9

(1) 4M x 36

NONE

32MB

(4) 4M x 9

NONE

(1) 4M x 36

32MB

NONE

(1) 4M x 36

(1) 4M x 36

33MB

(4) 256K x 9

(1) 4M x 36

(1) 4M x 36

33MB

(4) 4M x 9

(1) 256K x 36

(1) 4M x 36

33MB

(4) 4M x 9

(1) 4M x 36

(1) 256K x 36

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

36MB

(4) 4M x 9

(1) 4M x 36

(1) 256K x 36

36MB

(4) 4M x 9

(1) 256K x 36

(1) 4M x 36

48MB

(4) 4M x 9

(1) 4M x 36

(1) 4M x 36

64MB

(4) 16M x 9

NONE

NONE

65MB

(4) 16M x 9

(1) 1M x 36

NONE

65MB

(4) 16M x 9

NONE

(1) 1M x 36

66MB

(4) 16M x 9

(1) 1M x 36

(1) 1M x 36

68MB

(4) 16M x 9

(1) 1M x 36

NONE

68MB

(4) 16M x 9

NONE

(1) 1M x 36

69MB

(4) 16M x 9

(1) 1M x 36

(1) 1M x 36

69MB

(4) 16M x 9

(1) 1M x 36

(1) 1M x 36

72MB

(4) 16M x 9

(1) 1M x 36

(1) 1M x 36

80MB

(4) 16M x 9

(1) 4M x 36

NONE

80MB

(4) 16M x 9

NONE

(1) 4M x 36

81MB

(4) 16M x 9

(1) 1M x 36

(1) 1M x 36

81MB

(4) 16M x 9

(1) 1M x 36

(1) 4M x 36

81MB

(4) 16M x 9

(1) 4M x 36

(1) 1M x 36

84MB

(4) 16M x 9

(1) 1M x 36

(1) 4M x 36

84MB

(4) 16M x 9

(1) 4M x 36

(1) 1M x 36

96MB

(4) 16M x 9

(1) 4M x 36

(1) 4M x 36

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 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

256KB

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

CPU TYPE CONFIGURATION

CPU type

RN13

RN14

RN16

CX486S & 487S/DX

Not installed

Not installed

Installed

SX/DX/DX2

Not installed

Not installed

Not installed

P23S/P4S/P24S

Installed

Not installed

Not installed

P23S/P4S/CX486S

Not installed

Installed

Not installed

CPU TYPE CONFIGURATION

CPU type

JC1

JC2

JC3

JC4

JC5

JC7

CX486S

2 & 3

2 & 3

Closed

Open

Open

1 & 2

CX486S/487S

1 & 2

1 & 2

Closed

Open

Open

1 & 2

486SX/P23S

2 & 3

2 & 3

Open

Open

Closed

1 & 2

CX486DX

1 & 2

1 & 2

Closed

Open

Open

1 & 2

DX/DX2

1 & 2

1 & 2

Closed

Open

Closed

1 & 2

P24S/P4S

1 & 2

1 & 2

Closed

Open

Closed

1 & 2

P24T

1 & 2

1 & 2

Open

Closed

Open

2 & 3

Note: pins designated should be in the closed position.

CPU CLOCK SELECT

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

50MHz

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

66MHz

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

80MHz

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

100MHz

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

VESA WAIT STATE/BUS SPEED CONFIGURATION

CPU speed

Wait states

JV2

JV3

< 33MHz

0 wait states

pins 1 & 2 closed

pins 1 & 2 closed

> 33MHz

1 wait state

pins 2 & 3 closed

pins 2 & 3 closed