VEXTREC TECHNOLOGY, INC.

GMB-P57IAA (VER. 1.10)

Processor

CX 6X86/CX 6X86L/CX 6X86MX/AM K5/AM K6/Pentium/Pentium MMX

Processor Speed

90/100/120/133/150/166/200/233/266MHz

Chip Set

Intel 430TX

Video Chip Set

ATI

Maximum Onboard Memory

256MB (EDO & SDRAM supported)

Maximum Video Memory

4MB

Cache

256/512KB

BIOS

Award

Dimensions

304mm x 245mm

I/O Options

32-bit PCI slots (3), floppy drive interface, game/MIDI port, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA port, USB connectors (2), ATX power connector, microphone in, line in, speaker out, AMC/VFC connector, TV out connector, audio in - CD-ROM (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

ATX power connector

ATX

Reset switch

J2/pins 9 & 10

Game/MIDI port

CN1

Power LED & keylock

J2/pins 11 - 15

Microphone in

CN2

Speaker

J2/pins 17 - 20

Line in

CN3

TV out connector

J4

Speaker out

CN4

AMC/VFC connector

J5

VGA port

CN5

Audio in - CD-ROM (Sony)

J7

Serial port 1

CN6

Audio in - CD-ROM (Panasonic/Mitsumi)

J8

Parallel port

CN7

IDE interface 1

J11

USB connector 1

CN8

IDE interface 2

J10

USB connector 2

CN9

Floppy drive interface

J14

PS/2 mouse port

CN10

Serial port 2

J20

IDE interface LED

J2/pins 1 & 2

Internal modem ring-in connector

JP1

Power switch

J2/pins 5 & 6

IR connector

JP6

Green PC connector

J2/pins 7 & 8

32-bit PCI slots

PCI – PC3

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Flash BIOS voltage select 12v

JP4

Pins 1 & 2 closed

 

Flash BIOS voltage select 5v

JP4

Pins 2 & 3 closed

 

VGA IRQ enabled

JP10

Pins 2 & 3 closed

 

VGA IRQ disabled

JP10

Pins 1 & 2 closed

 

On board video enabled

JP11

Pins 2 & 3 closed

 

On board video disabled

JP11

Pins 1 & 2 closed

»

Factory configured - do not alter

JP15

Open

 

Ring in select COM1

JP21

Pins 2 & 3 closed

 

Ring in select COM2

JP21

Pins 1 & 2 closed

 

On board audio enabled

JP22

Closed

 

On board audio disabled

JP22

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1M x 32

None

16MB

(2) 2M x 32

None

16MB

(2) 1M x 32

(2) 1M x 32

24MB

(2) 2M x 32

(2) 1M x 32

32MB

(2) 4M x 32

None

32MB

(2) 2M x 32

(2) 2M x 32

40MB

(2) 4M x 32

(2) 1M x 32

48MB

(2) 4M x 32

(2) 2M x 32

64MB

(2) 8M x 32

None

64MB

(2) 4M x 32

(2) 4M x 32

72MB

(2) 8M x 32

(2) 1M x 32

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

80MB

(2) 8M x 32

(2) 2M x 32

96MB

(2) 8M x 32

(2) 4M x 32

128MB

(2) 8M x 32

(2) 8M x 32

128MB

(2) 16M x 32

None

136MB

(2) 16M x 32

(2) 1M x 32

144MB

(2) 16M x 32

(2) 2M x 32

160MB

(2) 16M x 32

(2) 4M x 32

192MB

(2) 16M x 32

(2) 8M x 32

256MB

(2) 16M x 32

(2) 16M x 32

Note: Board accepts EDO memory.

DIMM CONFIGURATION

Size

Bank 0

Bank 1

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) 8M x 64

(1) 8M x 64

CACHE CONFIGURATION

Size

Bank 0

TAG

256KB

(2) 32K x 32

Unidentified

512KB

(2) 64K x 32

Unidentified

VIDEO MEMORY CONFIGURATION

Note: Board accepts 1MB/2MB/4MB video memory. The configuration is unidentified.

CPU SPEED SELECTION (CX 6X86)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

133MHz

55MHz

2x

Off

On

On

Off

150MHz

60MHz

2x

Off

On

On

Off

CPU SPEED SELECTION (CX 6X86, CON’T)

CPU speed

Clock speed

Multiplier

SW1/5

SW1/6

SW1/7

SW1/8

133MHz

55MHz

2x

Off

On

On

Off

150MHz

60MHz

2x

Off

On

Off

Off

CPU SPEED SELECTION (CX 6X86L)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

133MHz

55MHz

2x

Off

On

On

Off

150MHz

60MHz

2x

Off

On

On

Off

166MHz

66Mhz

2x

Off

On

On

Off

CPU SPEED SELECTION (CX 6X86L, CON’T)

CPU speed

Clock speed

Multiplier

SW1/5

SW1/6

SW1/7

SW1/8

133MHz

55MHz

2x

Off

On

On

Off

150MHz

60MHz

2x

Off

On

Off

Off

166MHz

66MHz

2x

Off

Off

Off

Off

CPU SPEED SELECTION (CX 6X86MX)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

166MHz

66MHz

2x

Off

On

On

Off

200MHz

75MHz

2x

Off

On

On

Off

CPU SPEED SELECTION (CX 6X86MX, CON’T)

CPU speed

Clock speed

Multiplier

SW1/5

SW1/6

SW1/7

SW1/8

166MHz

66MHz

2x

Off

Off

Off

Off

200MHz

75MHz

2x

Off

Off

On

Off

CPU SPEED SELECTION (AM K5)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

90MHz

60MHz

1.5x

Off

On

Off

Off

100MHz

66MHz

1.5x

Off

On

Off

Off

120MHz

60MHz

1.5x

Off

On

Off

Off

133MHz

66MHz

2x

Off

On

On

Off

150MHz

60MHz

1.5x

Off

On

Off

Off

166MHz

66MHz

2.5x

Off

On

On

On

CPU SPEED SELECTION (AM K5, CON’T)

CPU speed

Clock speed

Multiplier

SW1/5

SW1/6

SW1/7

SW1/8

90MHz

60MHz

1.5x

Off

On

Off

Off

100MHz

66MHz

1.5x

Off

Off

Off

Off

120MHz

60MHz

1.5x

Off

On

Off

Off

133MHz

66MHz

2x

Off

Off

Off

Off

150MHz

60MHz

1.5x

Off

Off

Off

Off

166MHz

66MHz

2.5x

Off

Off

Off

Off

CPU SPEED SELECTION (AM K6)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

166MHz

66MHz

2.5x

Off

On

On

On

200MHz

66MHz

3x

Off

On

Off

On

233MHz

66MHz

3.5x

Off

On

Off

Off

CPU SPEED SELECTION (AM K6, CON’T)

CPU speed

Clock speed

Multiplier

SW1/5

SW1/6

SW1/7

SW1/8

166MHz

66MHz

2.5x

Off

Off

Off

Off

200MHz

66MHz

3x

Off

Off

Off

Off

233MHz

66MHz

3.5x

Off

Off

Off

Off

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

90MHz

60MHz

1.5x

Off

On

Off

Off

100MHz

66MHz

1.5x

Off

On

Off

Off

120MHz

60MHz

2x

Off

On

On

Off

133MHz

66MHz

2x

Off

On

On

Off

150MHz

60MHz

2.5x

Off

On

On

On

166MHz

66MHz

2.5x

Off

On

On

On

200MHz

66MHz

3x

Off

On

Off

On

233MHz

66MHz

3.5x

Off

On

Off

Off

CPU SPEED SELECTION (INTEL, CON’T)

CPU speed

Clock speed

Multiplier

SW1/5

SW1/6

SW1/7

SW1/8

90MHz

60MHz

1.5x

Off

On

Off

Off

100MHz

66MHz

1.5x

Off

Off

Off

Off

120MHz

60MHz

2x

Off

On

Off

Off

133MHz

66MHz

2x

Off

Off

Off

Off

150MHz

60MHz

2.5x

Off

On

Off

Off

166MHz

66MHz

2.5x

Off

Off

Off

Off

200MHz

66MHz

3x

Off

Off

Off

Off

233MHz

66MHz

3.5x

Off

Off

Off

Off

CPU VOLTAGE SELECTION (SINGLE)

Voltage

JP18

JP19

3.3v

Open

1 & 2, 5 & 6, 7 & 8

3.5v

Open

1 & 2, 3 & 4, 5 & 6, 7 & 8

Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION (DUAL)

Voltage

V core

JP18

JP19

3.3v

2.8v

1 & 3, 2 & 4

7 & 8

3.3v

2.9v

1 & 3, 2 & 4

1 & 2, 7 & 8

3.3v

3.2v

1 & 3, 2 & 4

5 & 6, 7 & 8

Note: Pins designated should be in the closed position.