GA-6BXC (REV. 1.0) Motherboard Settings and Configuration

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 – 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 (CON’T)
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 (CON’T)
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 (CON’T)
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

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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 – 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 (CON’T)
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

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 (CON’T)
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