GIGA-BYTE TECHNOLOGY CO., LTD.

GA-686LX2 (VER. 1.0)

Device Type

Mainboard

Processor

Pentium II

Processor Speed

200/233/266/300/333/366MHz

Chip Set

Intel 440LX

Maximum Onboard Memory

1GB (EDO & SDRAM supported)

Cache

256/512KB (located on Pentium II CPU)

BIOS

Award

Dimensions

305mm x 244mm

I/O Options

32-bit PCI slots (5), 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, wake on LAN connector

CONNECTIONS

Purpose

Location

Purpose

Location

AGP slot

AGP

IDE interface LED

J7

ATX power connector

ATX

Reset switch

J10

USB connector 1

CN1

Speaker

J11

IDE interface 2

CN2

Serial port 2

JP2

IDE interface 1

CN3

Serial port 1

JP3

USB connector 2

CN4

Soft off power supply

JP4

CPU fan power

J1

Green PC connector

JP5

CPU fan power

J2

Power LED

JP6

PS/2 mouse port

J3

ACPI LED

JP7

Floppy drive interface

J4

SB-link connector

JP8

Parallel port

J5

Wake on LAN connector

JP9

IR connector

J6

32-bit PCI slots

PC1 - PC5

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

ATX power supply select soft off

J12

Open

 

ATX power supply select full on

J12

Closed

»

Keyboard power on disabled

JP1

Pins 2 & 3 closed

 

Keyboard power on enabled

JP1

Pins 1 & 2 closed

DIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

8MB

(1) 1M x 64

None

None

None

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

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

DIMM CONFIGURATION (CON'T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

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 EDO & SDRAM memory. Maximum SDRAM is 512MB. Maximum EDO is 1GB.

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

Off

On

Off

Off

233MHz

66MHz

3.5x

On

On

Off

Off

266MHz

66MHz

4x

Off

Off

On

Off

300MHz

66MHz

4.5x

On

Off

On

Off

333MHz

66MHz

5x

Off

On

On

Off

366MHz

66MHz

5.5x

On

On

On

Off