GA-686KX Motherboard Settings and Configuration

GIGA-BYTE TECHNOLOGY CO., LTD.

GA-686KX

Device Type
Mainboard
Processor
Pentium II
Processor Speed
200/233/266/300/333/366MHz
Chip Set
Intel
Video Chip Set
None
Maximum Onboard Memory
768MB (EDO & 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 (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
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
ATX power connector
ATX
CPU fan power
J1
Serial port 1
CN1
Speaker
J3
Parallel port
CN2
Reset switch
J4
Serial port 2
CN3
Power LED
J5
PS/2 mouse port
CN4
IDE interface LED
J6
USB connector 1
CN5
IR connector
J7
USB connector 2
CN5A
Soft off power supply
J9
IDE interface 2
CN6
Green PC LED
J10
IDE interface 1
CN7
32-bit PCI slots
PC1 – PC5
Floppy drive interface
CN8

USER CONFIGURABLE SETTINGS
Function
Label
Position
»
Factory configured - do not alter
J8
Unidentified

SIMM CONFIGURATION
Size
Bank 0
Bank 1
Bank 2
8MB
(2) 1M x 36
None
None
16MB
(2) 1M x 36
(2) 1M x 36
None
16MB
(2) 2M x 36
None
None
24MB
(2) 1M x 36
(2) 1M x 36
(2) 1M x 36
32MB
(2) 2M x 36
(2) 2M x 36
None
32MB
(2) 4M x 36
None
None
48MB
(2) 2M x 36
(2) 2M x 36
(2) 2M x 36
64MB
(2) 4M x 36
(2) 4M x 36
None
64MB
(2) 8M x 36
None
None
96MB
(2) 4M x 36
(2) 4M x 36
(2) 4M x 36
128MB
(2) 8M x 36
(2) 8M x 36
None
128MB
(2) 16M x 36
None
None
192MB
(2) 8M x 36
(2) 8M x 36
(2) 8M x 36
256MB
(2) 16M x 36
(2) 16M x 36
None
256MB
(2) 32M x 36
None
None
384MB
(2) 16M x 36
(2) 16M x 36
(2) 16M x 36
512MB
(2) 32M x 36
(2) 32M x 36
None
768MB
(2) 32M x 36
(2) 32M x 36
(2) 32M x 36
Note: Board accepts EDO memory.

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

CPU SPEED SELECTION
CPU speed
Clock speed
Multiplier
S1/1
S1/2
S1/3
S1/4
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

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Device Type	Mainboard
Processor	Pentium II
Processor Speed	200/233/266/300/333/366MHz
Chip Set	Intel
Video Chip Set	None
Maximum Onboard Memory	768MB (EDO & 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 (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
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
ATX power connector	ATX	CPU fan power	J1
Serial port 1	CN1	Speaker	J3
Parallel port	CN2	Reset switch	J4
Serial port 2	CN3	Power LED	J5
PS/2 mouse port	CN4	IDE interface LED	J6
USB connector 1	CN5	IR connector	J7
USB connector 2	CN5A	Soft off power supply	J9
IDE interface 2	CN6	Green PC LED	J10
IDE interface 1	CN7	32-bit PCI slots	PC1 – PC5
Floppy drive interface	CN8

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Factory configured - do not alter	J8	Unidentified

SIMM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2
8MB	(2) 1M x 36	None	None
16MB	(2) 1M x 36	(2) 1M x 36	None
16MB	(2) 2M x 36	None	None
24MB	(2) 1M x 36	(2) 1M x 36	(2) 1M x 36
32MB	(2) 2M x 36	(2) 2M x 36	None
32MB	(2) 4M x 36	None	None
48MB	(2) 2M x 36	(2) 2M x 36	(2) 2M x 36
64MB	(2) 4M x 36	(2) 4M x 36	None
64MB	(2) 8M x 36	None	None
96MB	(2) 4M x 36	(2) 4M x 36	(2) 4M x 36
128MB	(2) 8M x 36	(2) 8M x 36	None
128MB	(2) 16M x 36	None	None
192MB	(2) 8M x 36	(2) 8M x 36	(2) 8M x 36
256MB	(2) 16M x 36	(2) 16M x 36	None
256MB	(2) 32M x 36	None	None
384MB	(2) 16M x 36	(2) 16M x 36	(2) 16M x 36
512MB	(2) 32M x 36	(2) 32M x 36	None
768MB	(2) 32M x 36	(2) 32M x 36	(2) 32M x 36
Note: Board accepts EDO memory.

CPU SPEED SELECTION
CPU speed	Clock speed	Multiplier	S1/1	S1/2	S1/3	S1/4
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