GIGA-BYTE TECHNOLOGY CO., LTD.

GA-6BXC (REV. 1.0)

Device Type

Mainboard

Processor

Pentium II

Processor Speed

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

Chip Set

Intel 440BX

Video Chip Set

None

Maximum Onboard Memory

768MB (SDRAM supported)

Maximum Video Memory

None

Cache

256/512KB (located on Pentium II CPU)

BIOS

Award

Dimensions

305mm x 244mm

I/O Options

32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), 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

USB connector 2

CN5

ATX power connector

ATX

PS/2 mouse port

CN6

Speaker

C1

IDE interface 2

CN7

Reset switch

C2

IDE interface 1

CN8

Power LED

C3

Floppy drive interface

CN9

IDE interface LED

C4

Wake on LAN connector

JP7

IR connector

C5

SB-link connector

JP8

Green PC connector

C6

Green PC LED

JP9/pins 1 & 12

Soft off power supply

C7

Reset switch

JP9/pins 3 & 4

Green PC LED

C8

Speaker

JP9/pins 5 - 8

CPU fan power

C9

IDE interface LED

JP9/pins 9 & 20

Parallel port

CN1

Green PC connector

JP9/pins 11 & 22

Serial port 1

CN2

Soft off power supply

JP9/pins 15 & 16

Serial port 2

CN3

Power LED

JP9/pins 17 - 19

USB connector 1

CN4

32-bit PCI slots

PC1 Ė PC4

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

ATX power control select soft off

J15

Open

 

ATX power control select soft off/full on

J15

Closed

 

Keyboard power on enabled

JP1

Pins 1 & 2 closed

 

Keyboard power on disabled

JP1

Pins 2 & 3 closed

DIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

8MB

(1) 1M x 64

None

None

16MB

(1) 2M x 64

None

None

16MB

(1) 1M x 64

(1) 1M x 64

None

24MB

(1) 2M x 64

(1) 1M x 64

None

24MB

(1) 1M x 64

(1) 1M x 64

(1) 1M x 64

32MB

(1) 4M x 64

None

None

32MB

(1) 2M x 64

(1) 1M x 64

(1) 1M x 64

32MB

(1) 2M x 64

(1) 2M x 64

None

DIMM CONFIGURATION (CONíT)

Size

Bank 0

Bank 1

Bank 2

40MB

(1) 4M x 64

(1) 1M x 64

None

40MB

(1) 2M x 64

(1) 2M x 64

(1) 1M x 64

48MB

(1) 4M x 64

(1) 1M x 64

(1) 1M x 64

48MB

(1) 4M x 64

(1) 2M x 64

None

48MB

(1) 2M x 64

(1) 2M x 64

(1) 2M x 64

56MB

(1) 4M x 64

(1) 2M x 64

(1) 1M x 64

64MB

(1) 8M x 64

None

None

64MB

(1) 4M x 64

(1) 2M x 64

(1) 2M x 64

64MB

(1) 4M x 64

(1) 4M x 64

None

72MB

(1) 8M x 64

(1) 1M x 64

None

72MB

(1) 4M x 64

(1) 4M x 64

(1) 1M x 64

80MB

(1) 8M x 64

(1) 1M x 64

(1) 1M x 64

80MB

(1) 8M x 64

(1) 2M x 64

None

80MB

(1) 4M x 64

(1) 4M x 64

(1) 2M x 64

88MB

(1) 8M x 64

(1) 2M x 64

(1) 1M x 64

96MB

(1) 8M x 64

(1) 2M x 64

(1) 2M x 64

96MB

(1) 8M x 64

(1) 4M x 64

None

96MB

(1) 4M x 64

(1) 4M x 64

(1) 4M x 64

104MB

(1) 8M x 64

(1) 4M x 64

(1) 1M x 64

112MB

(1) 8M x 64

(1) 4M x 64

(1) 2M x 64

128MB

(1) 16M x 64

None

None

128MB

(1) 8M x 64

(1) 4M x 64

(1) 4M x 64

128MB

(1) 8M x 64

(1) 8M x 64

None

136MB

(1) 16M x 64

(1) 1M x 64

None

136MB

(1) 8M x 64

(1) 8M x 64

(1) 1M x 64

144MB

(1) 16M x 64

(1) 1M x 64

(1) 1M x 64

144MB

(1) 16M x 64

(1) 2M x 64

None

144MB

(1) 8M x 64

(1) 8M x 64

(1) 2M x 64

152MB

(1) 16M x 64

(1) 2M x 64

(1) 1M x 64

160MB

(1) 16M x 64

(1) 2M x 64

(1) 2M x 64

160MB

(1) 16M x 64

(1) 4M x 64

None

160MB

(1) 8M x 64

(1) 8M x 64

(1) 4M x 64

168MB

(1) 16M x 64

(1) 4M x 64

(1) 1M x 64

176MB

(1) 16M x 64

(1) 4M x 64

(1) 2M x 64

DIMM CONFIGURATION (CONíT)

Size

Bank 0

Bank 1

Bank 2

192MB

(1) 16M x 64

(1) 4M x 64

(1) 4M x 64

192MB

(1) 16M x 64

(1) 8M x 64

None

224MB

(1) 16M x 64

(1) 8M x 64

(1) 4M x 64

256MB

(1) 32M x 64

None

None

256MB

(1) 16M x 64

(1) 8M x 64

(1) 8M x 64

264MB

(1) 32M x 64

(1) 1M x 64

None

272MB

(1) 32M x 64

(1) 1M x 64

(1) 1M x 64

272MB

(1) 32M x 64

(1) 2M x 64

None

288MB

(1) 32M x 64

(1) 2M x 64

(1) 2M x 64

288MB

(1) 32M x 64

(1) 4M x 64

None

320MB

(1) 32M x 64

(1) 4M x 64

(1) 4M x 64

320MB

(1) 32M x 64

(1) 8M x 64

None

384MB

(1) 32M x 64

(1) 8M x 64

(1) 8M x 64

384MB

(1) 16M x 64

(1) 16M x 64

(1) 16M x 64

384MB

(1) 16M x 64

(1) 16M x 64

(1) 16M x 64

512MB

(1) 32M x 64

(1) 16M x 64

(1) 16M x 64

512MB

(1) 32M x 64

(1) 32M x 64

None

768MB

(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

233MHz

66MHz

3.5x

On

Off

Off

On

266MHz

66MHz

4x

On

Off

Off

On

300MHz

66MHz

4.5x

On

Off

Off

On

333MHz

66MHz

5x

On

Off

Off

On

366MHz

66MHz

5.5x

On

Off

Off

On

300MHz

100MHz

3x

Off

Off

Off

Off

350MHz

100MHz

3.5x

Off

Off

Off

Off

400MHz

100MHz

4x

Off

Off

Off

Off

450MHz

100MHz

4.5x

Off

Off

Off

Off

500MHz

100MHz

5x

Off

Off

Off

Off

550MHz

100MHz

5.5x

Off

Off

Off

Off

CPU SPEED SELECTION (CONíT)

CPU speed

Clock speed

Multiplier

SW2/1

SW2/2

SW2/3

SW2/4

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

300MHz

100MHz

3x

On

Off

On

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

MAINBOARD BUS SPEED SELECTION

Speed

JP10

100MHz turbo & other frequencies

Pins 1 & 2 closed

100MHz

Pins 2 & 3 closed