GIGA-BYTE TECHNOLOGY CO., LTD.

GA-6BXDU (REV. 1.2)

Device Type

Mainboard

Processor

Pentium II

Processor Speed

200/233/266/300/333/350/366/400/450/500/550MHz

Chip Set

Intel 440BX

Maximum Onboard Memory

1GB (SDRAM supported)

Cache

256/512KB (located on Pentium II CPU)

BIOS

Award

Dimensions

305mm x 263mm

I/O Options

32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), SCSI interfaces (4), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connectors (2), ATX power connector, AGP slot, SB-link connector, wake on LAN connector

CONNECTIONS

Purpose

Location

Purpose

Location

AGP slot

AGP

SCSI interface

CN11

ATX power connector

ATX

SCSI interface

CN12

Chassis fan power

C1

SCSI interface

CN13

Power fan power

C2

IR connector

IR1

CPU fan power

C3

Case open connector

J13

Parallel port

CN1

SB-link connector

JP8

Serial port 1

CN2

Wake on LAN connector

JP9

Serial port 2

CN3

Green PC LED

J11/pins 1 & 2

USB connector 1

CN4

Reset switch

J11/pins 3 & 4

USB connector 2

CN5

Speaker

J11/pins 5 - 8

PS/2 mouse port

CN6

IDE interface LED

J11/pins 9 & 20

Floppy drive interface

CN7

Green PC connector

J11/pins 11 & 22

IDE interface 2

CN8

Soft off power supply

J11/pins 15 & 16

IDE interface 1

CN9

Power LED

J11/pins 17 - 19

SCSI interface

CN10

32-bit PCI slots

PC1 - PC4


USER CONFIGURABLE SETTINGS

Function

Label

Position

 

ATX power supply select soft off

J1

Open

 

ATX power supply select soft full on

J1

Closed

»

Keyboard power on disabled

JP1

Pins 2 & 3 closed

 

Keyboard power on enabled

JP1

Pins 1 & 2 closed

»

On board SCSI enabled

JP11

Pins 2 & 3 closed

 

On board SCSI disabled

JP11

Pins 1 & 2 closed

»

SCSI interface LED enabled

JP12

Pins 1 & 2 closed

 

SCSI interface LED disabled

JP12

Pins 2 & 3 closed


DIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

16MB

(1) 2M x 64

None

None

None

16MB

(1) 1M x 64

(1) 1M x 64

None

None

24MB

(1) 2M x 64

(1) 1M x 64

None

None

24MB

(1) 1M x 64

(1) 1M x 64

(1) 1M x 64

None

32MB

(1) 4M x 64

None

None

None

32MB

(1) 2M x 64

(1) 2M x 64

None

None

32MB

(1) 1M x 64

(1) 1M x 64

(1) 1M x 64

(1) 1M x 64

40MB

(1) 4M x 64

(1) 1M x 64

None

None

48MB

(1) 4M x 64

(1) 2M x 64

None

None

48MB

(1) 2M x 64

(1) 2M x 64

(1) 2M x 64

None

64MB

(1) 2M x 64

(1) 2M x 64

(1) 2M x 64

(1) 2M x 64

64MB

(1) 8M x 64

None

None

None

64MB

(1) 4M x 64

(1) 4M x 64

None

None


DIMM CONFIGURATION (CON'T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

72MB

(1) 8M x 64

(1) 1M x 64

None

None

80MB

(1) 8M x 64

(1) 2M x 64

None

None

96MB

(1) 8M x 64

(1) 4M x 64

None

None

96MB

(1) 4M x 64

(1) 4M x 64

(1) 4M x 64

None

128MB

(1) 16M x 64

None

None

None

128MB

(1) 8M x 64

(1) 8M x 64

None

None

128MB

(1) 4M x 64

(1) 4M x 64

(1) 4M x 64

(1) 4M x 64

136MB

(1) 16M x 64

(1) 1M x 64

None

None

144MB

(1) 16M x 64

(1) 2M x 64

None

None

176MB

(1) 16M x 64

(1) 2M x 64

(1) 2M x 64

(1) 2M x 64

192MB

(1) 16M x 64

(1) 8M x 64

None

None

192MB

(1) 8M x 64

(1) 8M x 64

(1) 8M x 64

None

256MB

(1) 32M x 64

None

None

None

256MB

(1) 16M x 64

(1) 16M x 64

None

None

256MB

(1) 8M x 64

(1) 8M x 64

(1) 8M x 64

(1) 8M x 64

272MB

(1) 16M x 64

(1) 16M x 64

(1) 1M x 64

(1) 1M x 64

280MB

(1) 32M x 64

(1) 1M x 64

(1) 1M x 64

(1) 1M x 64

288MB

(1) 16M x 64

(1) 16M x 64

(1) 2M x 64

(1) 2M x 64

320MB

(1) 16M x 64

(1) 16M x 64

(1) 4M x 64

(1) 4M x 64

384MB

(1) 16M x 64

(1) 16M x 64

(1) 16M x 64

None

448MB

(1) 32M x 64

(1) 8M x 64

(1) 8M x 64

(1) 8M x 64

512MB

(1) 32M x 64

(1) 32M x 64

None

None

512MB

(1) 16M x 64

(1) 16M x 64

(1) 16M x 64

(1) 16M x 64

640MB

(1) 32M x 64

(1) 16M x 64

(1) 16M x 64

(1) 16M x 64

768MB

(1) 32M x 64

(1) 32M x 64

(1) 32M x 64

None

1024MB

(1) 32M x 64

(1) 32M x 64

(1) 32M x 64

(1) 32M x 64

Note: Board accepts SDRAM memory.


CACHE CONFIGURATION

Note: 256KB/512KB cache is located on the Pentium II CPU.


CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

200MHz

66MHz

3x

On

Off

On

On

233MHz

66MHz

3.5x

Off

Off

On

On

266MHz

66MHz

4x

On

On

Off

On

300MHz

66MHz

4.5x

Off

On

Off

On

333MHz

66MHz

5x

On

Off

Off

On

366MHz

66MHz

5.5x

Off

Off

Off

On

350MHz

100MHz

3.5x

Off

Off

On

On

400MHz

100MHz

4x

On

On

Off

On

450MHz

100MHz

4.5x

Off

On

Off

On

500MHz

100MHz

5x

On

Off

Off

On

550MHz

100MHz

5.5x

Off

Off

Off

On


CPU OVER CLOCK SELECTION

Speed

JP6

66MHz

Pins 1 & 2 closed

100MHz

Open

Auto select

Pins 2 & 3 closed