GA-686LX3 (VER. 2.0) Motherboard Settings and Configuration

GIGA-BYTE TECHNOLOGY CO., LTD.

GA-686LX3 (VER. 2.0)

Device Type
Mainboard
Processor
Pentium II
Processor Speed
200/233/266/300/333/366MHz
Chip Set
Intel 440LX
Maximum Onboard Memory
768MB (EDO & SDRAM supported)
Cache
256/512KB (located on Pentium II CPU)
BIOS
Award
Dimensions
305mm x 180mm
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
CPU fan power
J1
ATX power connector
ATX
Green PC LED
JP7/pins 1 & 12
Parallel port
CN1
Reset switch
JP7/pins 3 & 4
Serial port 1
CN2
Speaker
JP7/pins 5 - 8
Serial port 2
CN3
IDE interface LED
JP7/pins 9 & 20
USB connector 1
CN4
Green PC connector
JP7/pins 11 & 22
USB connector 2
CN5
Soft off power supply
JP7/pins 15 & 16
PS/2 mouse port
CN6
Power LED
JP7/pins 17 - 19
IDE interface 2
CN7
SB-link connector
JP9
IDE interface 1
CN8
Wake on LAN connector
JP10
Floppy drive interface
CN9
32-bit PCI slots
PC1 - PC4
IR connector
IR1

USER CONFIGURABLE SETTINGS
Function
Label
Position

ATX power supply select soft off
J13
Open

ATX power supply select full on
J13
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
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
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

DIMM CONFIGURATION (CON'T)
Size
Bank 0
Bank 1
Bank 2
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
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
192MB
(1) 16M x 64
(1) 4M x 64
(1) 4M x 64
192MB
(1) 16M x 64
(1) 8M x 64
None
192MB
(1) 8M x 64
(1) 8M x 64
(1) 8M 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) 32M x 64
(1) 16M x 64
None
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 EDO & SDRAM memory. Maximum SDRAM is 384MB. Maximum EDO is 768MB.

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

CPU SPEED SELECTION
CPU speed
Clock speed
Multiplier
JP2
JP3
JP4
200MHz
66MHz
3x
1 & 2
1 & 2
1 & 2
233MHz
66MHz
3.5x
1 & 2
1 & 2
1 & 2
266MHz
66MHz
4x
1 & 2
1 & 2
1 & 2
300MHz
66MHz
4.5x
1 & 2
1 & 2
1 & 2
333MHz
66MHz
5x
1 & 2
1 & 2
1 & 2
366MHz
66MHz
5.5x
1 & 2
1 & 2
1 & 2
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CON'T)
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

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GA-686LX3 (VER. 2.0) Motherboard Settings and Configuration

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Device Type	Mainboard
Processor	Pentium II
Processor Speed	200/233/266/300/333/366MHz
Chip Set	Intel 440LX
Maximum Onboard Memory	768MB (EDO & SDRAM supported)
Cache	256/512KB (located on Pentium II CPU)
BIOS	Award
Dimensions	305mm x 180mm
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	CPU fan power	J1
ATX power connector	ATX	Green PC LED	JP7/pins 1 & 12
Parallel port	CN1	Reset switch	JP7/pins 3 & 4
Serial port 1	CN2	Speaker	JP7/pins 5 - 8
Serial port 2	CN3	IDE interface LED	JP7/pins 9 & 20
USB connector 1	CN4	Green PC connector	JP7/pins 11 & 22
USB connector 2	CN5	Soft off power supply	JP7/pins 15 & 16
PS/2 mouse port	CN6	Power LED	JP7/pins 17 - 19
IDE interface 2	CN7	SB-link connector	JP9
IDE interface 1	CN8	Wake on LAN connector	JP10
Floppy drive interface	CN9	32-bit PCI slots	PC1 - PC4
IR connector	IR1

USER CONFIGURABLE SETTINGS
Function		Label	Position
	ATX power supply select soft off	J13	Open
	ATX power supply select full on	J13	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
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
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

DIMM CONFIGURATION (CON'T)
Size	Bank 0	Bank 1	Bank 2
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
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
192MB	(1) 16M x 64	(1) 4M x 64	(1) 4M x 64
192MB	(1) 16M x 64	(1) 8M x 64	None
192MB	(1) 8M x 64	(1) 8M x 64	(1) 8M 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) 32M x 64	(1) 16M x 64	None
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 EDO & SDRAM memory. Maximum SDRAM is 384MB. Maximum EDO is 768MB.

CPU SPEED SELECTION
CPU speed	Clock speed	Multiplier	JP2	JP3	JP4
200MHz	66MHz	3x	1 & 2	1 & 2	1 & 2
233MHz	66MHz	3.5x	1 & 2	1 & 2	1 & 2
266MHz	66MHz	4x	1 & 2	1 & 2	1 & 2
300MHz	66MHz	4.5x	1 & 2	1 & 2	1 & 2
333MHz	66MHz	5x	1 & 2	1 & 2	1 & 2
366MHz	66MHz	5.5x	1 & 2	1 & 2	1 & 2
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CON'T)
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