FIRST INTERNATIONAL COMPUTER, INC .

VA-503+

Device Type

Mainboard

Processor

CX 6x86L/IBM 6x86L/CX 686MX/IBM 6x86MX/AM K6/Pentium/Pentium MMX

Processor Speed

133/150/166/200/233/266/300MHz

Chip Set

VIA

Maximum Onboard Memory

512MB (EDO & SDRAM supported)

Cache

512/1024KB

BIOS

Unidentified

Dimensions

254mm x 218mm

I/O Options

32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connector, USB connector, ATX power connector, AGP slot

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

AGP slot

AGP

Parallel port

CN3

ATX power connector

ATX

Floppy drive interface

CN4

Power LED & keylock

C1/pins 1 - 5

Remote power connector

CN5

Turbo LED

C1/pins 6 & 7

IDE interface 1

CN6

Green PC connector

C1/pins 8 & 9

PS/2 mouse interface

CN7

Green PC LED

C1/pins 10 & 11

IDE interface 2

CN8

Speaker

C1/pins 12 - 15

PS/2 mouse interface

CN9

IDE interface LED

C1/pins 16 & 17

CPU fan power

CPU

Soft off power supply

C1/pins 18 & 19

EISCA CPU fan connector

EIC

Reset switch

C1/pins 20 & 21

IR connector

IR1

Chassis fan power

CHA

32-bit PCI slots

PC1 - PC3

Serial port 1

CN1

Remote wake up connector

RWU

Serial port 2

CN2

USB connector

USB


USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Password disabled

CPW

Open

 

Password enabled

CPW

Closed

»

Power supply select AT

PWR

Pins 1 & 2 closed

 

Power supply select ATX

PWR

Pins 2 & 3 closed

»

Burst type select Intel

SRAM

Pins 1 & 2 closed

 

Burst type select linear

SRAM

Pins 2 & 3 closed


SIMM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1M x 36

None

16MB

(2) 2M x 36

None

16MB

(2) 1M x 36

(2) 1M x 36

24MB

(2) 2M x 36

(2) 1M x 36

32MB

(2) 4M x 36

None

32MB

(2) 2M x 36

(2) 2M x 36

40MB

(2) 4M x 36

(2) 1M x 36

48MB

(2) 4M x 36

(2) 2M x 36

64MB

(2) 8M x 36

None

64MB

(2) 4M x 36

(2) 4M x 36

72MB

(2) 8M x 36

(2) 1M x 36

80MB

(2) 8M x 36

(2) 2M x 36

96MB

(2) 8M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 8M x 36

128MB

(2) 16M x 36

None

136MB

(2) 16M x 36

(2) 1M x 36

144MB

(2) 16M x 36

(2) 2M x 36

160MB

(2) 16M x 36

(2) 4M x 36

192MB

(2) 16M x 36

(2) 8M x 36

256MB

(2) 16M x 36

(2) 16M x 36

Note: Board accepts EDO memory.


DIMM CONFIGURATION

Size

Bank 2

Bank 3

8MB

(1) 1M x 64

None

16MB

(1) 2M x 64

None

16MB

(1) 1M x 64

(1) 1M x 64

24MB

(1) 2M x 64

(1) 1M x 64

32MB

(1) 4M x 64

None

32MB

(1) 2M x 64

(1) 2M x 64

40MB

(1) 4M x 64

(1) 1M x 64

48MB

(1) 4M x 64

(1) 2M x 64

64MB

(1) 8M x 64

None

64MB

(1) 4M x 64

(1) 4M x 64

72MB

(1) 8M x 64

(1) 1M x 64

80MB

(1) 8M x 64

(1) 2M x 64

96MB

(1) 8M x 64

(1) 4M x 64

128MB

(1) 16M x 64

None

128MB

(1) 8M x 64

(1) 8M x 64

136MB

(1) 16M x 64

(1) 1M x 64

144MB

(1) 16M x 64

(1) 2M x 64

160MB

(1) 16M x 64

(1) 4M x 64

192MB

(1) 16M x 64

(1) 8M x 64

256MB

(1) 16M x 64

(1) 16M x 64

Note: Board accepts SDRAM memory.


CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

512KB

(1) 64K x 64

None

(1) 16K/32K x 8

1MB

(1) 64K x 64

(1) 64K x 64

(1) 32K x 8


BUS FREQUENCY SELECTION

External CPU speed

DIMM speed

SDRAM1

SDRAM2

SDRAM3

CLK4

 

66MHz

100MHz

2 & 3

2 & 3

2 & 3

1 & 2

»

66MHz

Non - 100MHz

1 & 2

2 & 3

2 & 3

2 & 3

 

75MHz

100MHz

2 & 3

2 & 3

2 & 3

1 & 2

 

(option 1) 75MHz

Non - 100MHz

1 & 2

2 & 3

2 & 3

2 & 3

 

(option 2) 75MHz

Non - 100MHz

2 & 3

2 & 3

2 & 3

1 & 2

 

83MHz

100MHz

2 & 3

1 & 2

2 & 3

1 & 2

 

(option 1) 83MHz

Non - 100MHz

1 & 2

1 & 2

2 & 3

2 & 3

 

(option 2) 83MHz

Non - 100MHz

2 & 3

1 & 2

2 & 3

1 & 2

 

100MHz

100MHz

2 & 3

1 & 2

2 & 3

1 & 2

 

100MHz

Non - 100MHz

1 & 2

1 & 2

2 & 3

2 & 3

Note: Pins designated should be in the closed position. Option 1 selects stable performance. Option 2 enables high performance mode


CPU SPEED SELECTION (CX 6X86L)

CPU speed

Clock speed

Multiplier

CLK1

CLK2

CLK3

FREQ1

FREQ2

FREQ3

133MHz

55MHz

2x

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

2 & 3

150MHz

60MHz

2x

2 & 3

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

166MHz

66MHz

2x

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

Note: Pins designated should be in the closed position.


CPU SPEED SELECTION (IBM 6X86L)

CPU speed

Clock speed

Multiplier

CLK1

CLK2

CLK3

FREQ1

FREQ2

FREQ3

133MHz

55MHz

2x

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

2 & 3

150MHz

60MHz

2x

2 & 3

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

166MHz

66MHz

2x

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

Note: Pins designated should be in the closed position.


CPU SPEED SELECTION (CX 6X86MX)

CPU speed

Clock speed

Multiplier

CLK1

CLK2

CLK3

FREQ1

FREQ2

FREQ3

166MHz

50MHz

3x

2 & 3

2 & 3

2 & 3

1 & 2

2 & 3

1 & 2

166MHz

66MHz

2x

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

166MHz

60MHz

2.5x

2 & 3

1 & 2

1 & 2

1 & 2

2 & 3

2 & 3

200MHz

66MHz

2.5x

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

2 & 3

200MHz

60MHz

3x

2 & 3

1 & 2

1 & 2

1 & 2

2 & 3

1 & 2

233MHz

66MHz

3x

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

1 & 2

266MHz

66MHz

3.5x

1 & 2

1 & 2

1 & 2

2 & 3

1 & 2

1 & 2

Note: Pins designated should be in the closed position.


CPU SPEED SELECTION (IBM 6X86MX)

CPU speed

Clock speed

Multiplier

CLK1

CLK2

CLK3

FREQ1

FREQ2

FREQ3

166MHz

50MHz

3x

2 & 3

2 & 3

2 & 3

1 & 2

2 & 3

1 & 2

166MHz

66MHz

2x

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

166MHz

60MHz

2.5x

2 & 3

1 & 2

1 & 2

1 & 2

2 & 3

2 & 3

200MHz

66MHz

2.5x

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

2 & 3

200MHz

60MHz

3x

2 & 3

1 & 2

1 & 2

1 & 2

2 & 3

1 & 2

233MHz

66MHz

3x

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

1 & 2

266MHz

66MHz

3.5x

1 & 2

1 & 2

1 & 2

2 & 3

1 & 2

1 & 2

Note: Pins designated should be in the closed position.


CPU SPEED SELECTION (AM K6)

CPU speed

Clock speed

Multiplier

CLK1

CLK2

CLK3

FREQ1

FREQ2

FREQ3

166MHz

66MHz

2.5x

1 & 2

1 & 2

1 & 2

2 & 3

2 & 3

1 & 2

200MHz

66MHz

3x

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

1 & 2

233MHz

66MHz

3.5x

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

266MHz

66MHz

4x

1 & 2

1 & 2

1 & 2

2 & 3

1 & 2

2 & 3

300MHz

66MHz

4.5x

1 & 2

1 & 2

1 & 2

2 & 3

2 & 3

2 & 3

Note: Pins designated should be in the closed position.


CPU SPEED SELECTION (INTEL MMX)

CPU speed

Clock speed

Multiplier

CLK1

CLK2

CLK3

FREQ1

FREQ2

FREQ3

166MHz

66MHz

2.5x

1 & 2

1 & 2

1 & 2

2 & 3

2 & 3

1 & 2

200MHz

66MHz

3x

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

1 & 2

233MHz

66MHz

3.5x

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

Note: Pins designated should be in the closed position.


CPU VOLTAGE SELECTION (DUAL)

V core

Voltage

VR

2.2v

3.3v

Pins 5 & 6 closed

2.8v

3.3v

Pins 1 & 2 closed

2.9v

3.3v

Pins 1 & 2, 7 & 8 closed

3.2v

3.3v

Pins 1 & 2, 3 & 4 closed


FLASH BIOS SELECTION

Type

EP1

EP2

ATMEL AT29C010

Pins 1 & 2 closed

Pins 1 & 2 closed

ATMEL AT29C020

Pins 1 & 2 closed

Pins 2 & 3 closed

Intel 28F001

Pins 2 & 3 closed

Pins 1 & 2 closed

MXIC MX28F1000

Pins 2 & 3 closed

Pins 1 & 2 closed

SST 29EE010

Pins 1 & 2 closed

Pins 1 & 2 closed

SST 29EE020

Pins 1 & 2 closed

Pins 2 & 3 closed

Windbond 29C020

Pins 1 & 2 closed

Pins 2 & 3 closed