lotus



previous page: GMB-486UN (VER. 3.00) Motherboard Settings and Configuration
  
page up: Motherboards Jumper Settings: A-Z: V
  
next page: GMB-P56IPA (VER. 1.01) Motherboard Settings and Configuration

GMB-P56IAX (VER. 1.02) Motherboard Settings and Configuration






VEXTREC TECHNOLOGY, INC.

GMB-P56IAX (VER. 1.02)

Device Type

Mainboard

Processor

CX 6X86/AM K5/Pentium/Pentium MMX

Processor Speed

75/90/100/120/133/150/166/200MHz

Chip Set

Intel 430VX

Maximum Onboard Memory

128MB (EDO & SDRAM supported)

Cache

256/512KB

BIOS

AMI/Award

I/O Options

32-bit PCI slots (4), floppy drive interface, IDE interface (2), parallel port, PS/2 mouse port, serial ports (2), cache slot, IR connector, USB connector (2)

Dimensions

305mm x 210mm

CONNECTIONS

Purpose

Location

Purpose

Location

ATX power supply

ATX

IR connector

J10

Reset switch

J1

USB connector 1

J11

Green PC connector

J2

USB connector 2

J12

Suspend LED

J3

Serial port 2

J14

Speaker

J4

Parallel port

J15

IDE interface LED

J5

PS/2 mouse port

J16

Power LED & keylock

J6

Serial port 1

J18

IDE interface 2

J7

Power switch

JP4

IDE interface 1

J8

32-bit PCI slots

PC1 - PC4

Floppy drive interface

J9

Cache slot

SL1

USER CONFIGURABLE SETTINGS

Function

Label

Position

CMOS memory normal operation

JP1

Open

 

CMOS memory clear

JP1

Closed

 

Flash BIOS voltage select 12v

JP2

Pins 1 & 2 closed

 

Flash BIOS voltage select 5v

JP2

Pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

4MB

(2) 512KB x 32

None

None

8MB

(2) 512KB x 32

(2) 512KB x 32

None

8MB

(2) 1MB x 32

None

None

16MB

(2) 1MB x 32

(2) 1MB x 32

None

16MB

(2) 2MB x 32

None

None

24MB

(2) 1MB x 32

(2) 1MB x 32

(1) 1MB x 64

24MB

(2) 2MB x 32

(2) 1MB x 32

None

32MB

(2) 2MB x 32

(2) 2MB x 32

None

32MB

(2) 4MB x 32

None

None

40MB

(2) 2MB x 32

(2) 2MB x 32

(1) 1MB x 64

40MB

(2) 4MB x 32

(2) 1MB x 32

None

48MB

(2) 2MB x 32

(2) 2MB x 32

(1) 2MB x 64

48MB

(2) 4MB x 32

(2) 2MB x 32

None

64MB

(2) 4MB x 32

(2) 4MB x 32

None

64MB

(2) 8MB x 32

None

None

72MB

(2) 4MB x 32

(2) 4MB x 32

(1) 1MB x 64

72MB

(2) 8MB x 32

(2) 1MB x 32

None

80MB

(2) 4MB x 32

(2) 4MB x 32

(1) 2MB x 64

80MB

(2) 8MB x 32

(2) 2MB x 32

None

96MB

(2) 4MB x 32

(2) 4MB x 32

(1) 4MB x 64

96MB

(2) 8MB x 32

(2) 4MB x 32

None

128MB

(2) 8MB x 32

(2) 8MB x 32

None

Note: Board accepts EDO and SDRAM.

DRAM JUMPER CONFIGURATION

Voltage

S7

S8

3.3v

Pins 2 & 3 closed

Pins 2 & 3 closed

5v

Pins 1 & 2 closed

Pins 1 & 2 closed

CACHE CONFIGURATION

256KB onboard, upgradeable to 512KB by inserting a cache module in SL1.

CPU SPEED SELECTION (CX 6X86)

Speed

Clock speed

Multiplier

JP11

JP12

S1

S2

S3

120MHz

50MHz

2x

2 & 3

1 & 2

Closed

Closed

Open

133MHz

55MHz

2x

2 & 3

1 & 2

Open

Closed

Open

150MHz

60MHz

2x

2 & 3

1 & 2

Closed

Open

Open

166MHz

66MHz

2x

2 & 3

1 & 2

Open

Open

Open

200MHz

66MHz

2.5x

2 & 3

1 & 2

Open

Open

Closed

Note: Numbers designate pins that should be closed.

CPU SPEED SELECTION (AM K5)

Speed

Clock speed

Multiplier

JP11

JP12

S1

S2

S3

75MHz

50MHz

1.5x

1 & 2

1 & 2

Closed

Closed

Open

90MHz

60MHz

1.5x

1 & 2

1 & 2

Closed

Open

Open

100MHz

66MHz

1.5x

1 & 2

1 & 2

Open

Open

Open

120MHz

60MHz

2x

1 & 2

1 & 2

Closed

Open

Open

133MHz

66MHz

2x

1 & 2

1 & 2

Open

Open

Open

150MHz

60MHz

2.5x

1 & 2

1 & 2

Open

Open

Open

166MHz

66MHz

2.5x

2 & 3

2 & 3

Open

Open

Open

Note: Numbers designate pins that should be closed.

CPU SPEED SELECTION (PENTIUM)

Speed

Clock speed

Multiplier

JP11

JP12

S1

S2

S3

75MHz

50MHz

1.5x

1 & 2

1 & 2

Closed

Closed

Open

90MHz

60MHz

1.5x

1 & 2

1 & 2

Closed

Open

Open

100MHz

66MHz

1.5x

1 & 2

1 & 2

Open

Open

Open

120MHz

60MHz

2x

2 & 3

1 & 2

Closed

Open

Open

133MHz

66MHz

2x

2 & 3

1 & 2

Open

Open

Open

150MHz

60MHz

2.5x

2 & 3

2 & 3

Closed

Open

Open

166MHz

66MHz

2.5x

2 & 3

2 & 3

Open

Open

Open

200MHz

66MHz

3x

1 & 2

2 & 3

Open

Open

Open

Note: Numbers designate pins that should be closed.

CPU SPEED SELECTION (PENTIUM MMX)

Speed

Clock speed

Multiplier

JP11

JP12

S1

S2

S3

150MHz

60MHz

2.5x

2 & 3

2 & 3

Closed

Open

Open

166MHz

66MHz

2.5x

2 & 3

2 & 3

Open

Open

Open

200MHz

66MHz

3x

1 & 2

2 & 3

Open

Open

Open

Note: Numbers designate pins that should be closed.

CPU VOLTAGE SELECTION (SINGLE)

Voltage

JP8

S4

S5

S6

3.4v

Closed

Closed

Closed

Closed

3.5v

Open

Closed

Closed

Closed

CPU VOLTAGE SELECTION (DUAL)

Voltage (core)

JP8

S4

S5

S6

2.8v

Closed

Open

Open

Open








TOP
previous page: GMB-486UN (VER. 3.00) Motherboard Settings and Configuration
  
page up: Motherboards Jumper Settings: A-Z: V
  
next page: GMB-P56IPA (VER. 1.01) Motherboard Settings and Configuration