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3. Connecting ATX Power Connector
This motherboard comes with a 20-pin and 4-pin ATX power connector as shown below.
Make sure you plug in the right direction. We strongly recommend you to insert the 4-pin
connector before connecting the 20-pin connector.
4. Connecting Front Panel Cable
Attach the power LED, speaker, and reset switch connectors to the corresponding pins. If
you enable "Suspend Mode" item in BIOS Setup, the ACPI & Power LED will keep flashing
while the system is in suspend mode.
Locate the power switch cable from your ATX housing. It is 2-pin female connector from the
housing front panel. Plug this connector to the soft-power switch connector marked SPWR.
+12V
+12V
Ground
Ground
1
Power Switch
ACPI & Power LED
IDE LED
1
NC
NC
SPEAKER
+5V
RESET
IDE LED
IDE LED
+5V
+5V
GND
NC
SPEAKER
5. Setting CPU Voltage & Frequency
Full-range Adjustable CPU Core Voltage
This motherboard supports CPU VID function. The CPU core voltage will be automatically
detected and the range is from 0.8375V to 1.6000V. It is not necessary to set CPU Core
Voltage.
Setting CPU Frequency
This motherboard is CPU jumper-less design, you can set CPU frequency through the
BIOS setup, and no jumpers or switches are needed.
BIOS Setup > Frequency / Voltage Control > CPU Bus Frequency
Core Frequency = CPU FSB Clock * CPU Ratio
CPU Ratio
8x, 10x... 24x, 25x, 26x, 27x, 28x
CPU FSB
FSB = 100MHz-255MHz by 1MHz Stepping
(Adjustment manually)
CPU Overclocking
Northwood
CPU Core
CPU
Frequency
Pentium 4 1.8G
1800MHz
Pentium 4 2.0G
2000MHz
Pentium 4 2.2G
2200MHz
Pentium 4 2.2G
2200MHz
Pentium 4 2.26G
2260MHz
Pentium 4 2.4G
2400MHz
Pentium 4 2.4G
2400MHz
Pentium 4 2.53G
2530MHz
Pentium 4 2.6G
2600MHz
Pentium 4 2.66G
2660MHz
Pentium 4 2.8G
2800MHz
Pentium 4 2.8G
2800MHz
Pentium 4 3.06G
3066MHz
Pentium 4 3.20G
3200MHz
Note:
With CPU speed changing rapidly, there might be fastest CPU on
SPWR
the market by the time you received this installation guide. This table is
GND
kindly for your references only.
ACPILED-
GND
ACPILED+
NC
NC
GND
RESET
GND
Note: Intel 865G and
848PB
support
FSB
System
processor.
Ratio
Clock
Bus
processor would detect
100MHz
400MHz
18x
the
automatically; you may
100MHz
400MHz
20x
not be able to adjust the
100MHz
400MHz
22x
clock
133MHz
533MHz
16x
manually.
133MHz
533MHz
17x
100MHz
400MHz
24x
133MHz
533MHz
18x
Warning:
133MHz
533MHz
19x
and
support
200MHz
800MHz
13x
800MHz
133MHz
533MHz
20x
system bus and 66MHz
133MHz
533MHz
21x
AGP clock; higher clock
setting
200MHz
800MHz
14x
serious system damage.
133MHz
533MHz
23x
200MHz
800MHz
16x
chipsets
only
Northwood
Northwood
clock
ratio
ratio
in
BIOS
Intel
865G
848PB
chipsets
maximum
(200MHz*4)
may
cause
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